./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:09:12,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:09:12,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:09:12,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:09:12,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:09:12,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:09:12,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:09:12,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:09:12,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:09:12,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:09:12,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:09:12,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:09:12,338 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:09:12,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:09:12,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:09:12,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:09:12,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:09:12,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:09:12,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:09:12,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:09:12,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:09:12,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:09:12,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:09:12,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:09:12,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:09:12,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:12,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:09:12,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:09:12,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:09:12,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:09:12,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:09:12,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:09:12,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:09:12,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:09:12,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:09:12,352 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:09:12,352 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 [2023-11-06 23:09:12,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:12,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:12,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:12,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:12,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:12,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2023-11-06 23:09:15,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:16,806 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:16,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2023-11-06 23:09:16,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/data/232291b5a/156d9d4ca977442bb0092b99f9048a26/FLAG5f32ab40a [2023-11-06 23:09:16,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/data/232291b5a/156d9d4ca977442bb0092b99f9048a26 [2023-11-06 23:09:16,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:16,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:16,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:16,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:16,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:16,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd7f074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16, skipping insertion in model container [2023-11-06 23:09:16,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:17,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:25,826 WARN L240 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_b984580f-6259-414f-b033-00ed10ab94fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2023-11-06 23:09:25,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:26,099 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:26,235 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"); [6669] [2023-11-06 23:09:26,237 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)); [6676] [2023-11-06 23:09:26,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6683] [2023-11-06 23:09:26,241 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)); [6734-6735] [2023-11-06 23:09:26,241 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"); [6740-6742] [2023-11-06 23:09:26,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6846] [2023-11-06 23:09:26,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6853] [2023-11-06 23:09:26,253 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)); [7037-7038] [2023-11-06 23:09:26,255 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)); [7071-7072] [2023-11-06 23:09:26,257 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" (79), "i" (12UL)); [7112-7113] [2023-11-06 23:09:26,265 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)); [7464-7465] [2023-11-06 23:09:26,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7471] [2023-11-06 23:09:26,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7747] [2023-11-06 23:09:26,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7750] [2023-11-06 23:09:26,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7753] [2023-11-06 23:09:26,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7756] [2023-11-06 23:09:26,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7787] [2023-11-06 23:09:26,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7790] [2023-11-06 23:09:26,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7793] [2023-11-06 23:09:26,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7796] [2023-11-06 23:09:26,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7827] [2023-11-06 23:09:26,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7830] [2023-11-06 23:09:26,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7833] [2023-11-06 23:09:26,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7836] [2023-11-06 23:09:26,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [7867] [2023-11-06 23:09:26,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7870] [2023-11-06 23:09:26,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7873] [2023-11-06 23:09:26,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7876] [2023-11-06 23:09:26,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10811] [2023-11-06 23:09:26,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10813] [2023-11-06 23:09:26,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10824] [2023-11-06 23:09:26,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10839] [2023-11-06 23:09:26,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [11041] [2023-11-06 23:09:26,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [11043] [2023-11-06 23:09:26,431 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)priv->dma_erx + (unsigned long )next_entry) [11130] [2023-11-06 23:09:26,431 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)priv->dma_rx + (unsigned long )next_entry) [11134] [2023-11-06 23:09:26,436 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [11224] [2023-11-06 23:09:26,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [19341] [2023-11-06 23:09:26,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19727] [2023-11-06 23:09:26,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19744] [2023-11-06 23:09:26,918 WARN L240 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_b984580f-6259-414f-b033-00ed10ab94fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2023-11-06 23:09:26,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:27,454 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:27,454 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:27,454 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:27,462 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:27,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27 WrapperNode [2023-11-06 23:09:27,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:27,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:27,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:27,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:27,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:27,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:28,414 INFO L138 Inliner]: procedures = 926, calls = 12475, calls flagged for inlining = 546, calls inlined = 456, statements flattened = 18812 [2023-11-06 23:09:28,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:28,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:28,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:28,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:28,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:28,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:28,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:28,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:29,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:29,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:29,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:29,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (1/1) ... [2023-11-06 23:09:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:29,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:29,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2023-11-06 23:09:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2023-11-06 23:09:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2023-11-06 23:09:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2023-11-06 23:09:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2023-11-06 23:09:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2023-11-06 23:09:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 23:09:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 23:09:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2023-11-06 23:09:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2023-11-06 23:09:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2023-11-06 23:09:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2023-11-06 23:09:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 23:09:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 23:09:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 23:09:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 23:09:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-06 23:09:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-06 23:09:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 23:09:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 23:09:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2023-11-06 23:09:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2023-11-06 23:09:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2023-11-06 23:09:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2023-11-06 23:09:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 23:09:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2023-11-06 23:09:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2023-11-06 23:09:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 23:09:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 23:09:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 23:09:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 23:09:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2023-11-06 23:09:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2023-11-06 23:09:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2023-11-06 23:09:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2023-11-06 23:09:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 23:09:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 23:09:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2023-11-06 23:09:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2023-11-06 23:09:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:09:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:09:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_19_2 [2023-11-06 23:09:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_19_2 [2023-11-06 23:09:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2023-11-06 23:09:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2023-11-06 23:09:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2023-11-06 23:09:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2023-11-06 23:09:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 23:09:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 23:09:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2023-11-06 23:09:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2023-11-06 23:09:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2023-11-06 23:09:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2023-11-06 23:09:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2023-11-06 23:09:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2023-11-06 23:09:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 23:09:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 23:09:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:09:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2023-11-06 23:09:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2023-11-06 23:09:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-06 23:09:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-06 23:09:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 23:09:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 23:09:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2023-11-06 23:09:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2023-11-06 23:09:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2023-11-06 23:09:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2023-11-06 23:09:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 23:09:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 23:09:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2023-11-06 23:09:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2023-11-06 23:09:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2023-11-06 23:09:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2023-11-06 23:09:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2023-11-06 23:09:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2023-11-06 23:09:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-06 23:09:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-06 23:09:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2023-11-06 23:09:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2023-11-06 23:09:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-06 23:09:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-06 23:09:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:09:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2023-11-06 23:09:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2023-11-06 23:09:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 23:09:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 23:09:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 23:09:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 23:09:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2023-11-06 23:09:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2023-11-06 23:09:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:09:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2023-11-06 23:09:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2023-11-06 23:09:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-06 23:09:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-06 23:09:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 23:09:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 23:09:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2023-11-06 23:09:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2023-11-06 23:09:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 23:09:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 23:09:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2023-11-06 23:09:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2023-11-06 23:09:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-06 23:09:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-06 23:09:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 23:09:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 23:09:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2023-11-06 23:09:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2023-11-06 23:09:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2023-11-06 23:09:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2023-11-06 23:09:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 23:09:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 23:09:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2023-11-06 23:09:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2023-11-06 23:09:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2023-11-06 23:09:29,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2023-11-06 23:09:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2023-11-06 23:09:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2023-11-06 23:09:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2023-11-06 23:09:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2023-11-06 23:09:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 23:09:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 23:09:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2023-11-06 23:09:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2023-11-06 23:09:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2023-11-06 23:09:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2023-11-06 23:09:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2023-11-06 23:09:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2023-11-06 23:09:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2023-11-06 23:09:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2023-11-06 23:09:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2023-11-06 23:09:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2023-11-06 23:09:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2023-11-06 23:09:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2023-11-06 23:09:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2023-11-06 23:09:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2023-11-06 23:09:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 23:09:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 23:09:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2023-11-06 23:09:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2023-11-06 23:09:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2023-11-06 23:09:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2023-11-06 23:09:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-06 23:09:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-06 23:09:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2023-11-06 23:09:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2023-11-06 23:09:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:09:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 23:09:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 23:09:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2023-11-06 23:09:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2023-11-06 23:09:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-06 23:09:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-06 23:09:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 23:09:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 23:09:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2023-11-06 23:09:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2023-11-06 23:09:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 23:09:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 23:09:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2023-11-06 23:09:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2023-11-06 23:09:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2023-11-06 23:09:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2023-11-06 23:09:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2023-11-06 23:09:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2023-11-06 23:09:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2023-11-06 23:09:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2023-11-06 23:09:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-06 23:09:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-06 23:09:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-06 23:09:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-06 23:09:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:09:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:09:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2023-11-06 23:09:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2023-11-06 23:09:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-06 23:09:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-06 23:09:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2023-11-06 23:09:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2023-11-06 23:09:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2023-11-06 23:09:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2023-11-06 23:09:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-06 23:09:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-06 23:09:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-06 23:09:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-06 23:09:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:09:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2023-11-06 23:09:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2023-11-06 23:09:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2023-11-06 23:09:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2023-11-06 23:09:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:09:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-06 23:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-06 23:09:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2023-11-06 23:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2023-11-06 23:09:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2023-11-06 23:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2023-11-06 23:09:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2023-11-06 23:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2023-11-06 23:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2023-11-06 23:09:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2023-11-06 23:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2023-11-06 23:09:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2023-11-06 23:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2023-11-06 23:09:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2023-11-06 23:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 23:09:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 23:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2023-11-06 23:09:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2023-11-06 23:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 23:09:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 23:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 23:09:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 23:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 23:09:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 23:09:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2023-11-06 23:09:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2023-11-06 23:09:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2023-11-06 23:09:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2023-11-06 23:09:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2023-11-06 23:09:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2023-11-06 23:09:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2023-11-06 23:09:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2023-11-06 23:09:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-06 23:09:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-06 23:09:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 23:09:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 23:09:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 23:09:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 23:09:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2023-11-06 23:09:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2023-11-06 23:09:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 23:09:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 23:09:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2023-11-06 23:09:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2023-11-06 23:09:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_2_5 [2023-11-06 23:09:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_2_5 [2023-11-06 23:09:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2023-11-06 23:09:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2023-11-06 23:09:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:09:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 23:09:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 23:09:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2023-11-06 23:09:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2023-11-06 23:09:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 23:09:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 23:09:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 23:09:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 23:09:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2023-11-06 23:09:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2023-11-06 23:09:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2023-11-06 23:09:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2023-11-06 23:09:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2023-11-06 23:09:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2023-11-06 23:09:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-06 23:09:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-06 23:09:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-06 23:09:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-06 23:09:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-06 23:09:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-06 23:09:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2023-11-06 23:09:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2023-11-06 23:09:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2023-11-06 23:09:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2023-11-06 23:09:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-06 23:09:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-06 23:09:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2023-11-06 23:09:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2023-11-06 23:09:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2023-11-06 23:09:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2023-11-06 23:09:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2023-11-06 23:09:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2023-11-06 23:09:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2023-11-06 23:09:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2023-11-06 23:09:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2023-11-06 23:09:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2023-11-06 23:09:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2023-11-06 23:09:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2023-11-06 23:09:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 23:09:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 23:09:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 23:09:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 23:09:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2023-11-06 23:09:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2023-11-06 23:09:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2023-11-06 23:09:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2023-11-06 23:09:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:09:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:09:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2023-11-06 23:09:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2023-11-06 23:09:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-06 23:09:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2023-11-06 23:09:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 23:09:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 23:09:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2023-11-06 23:09:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2023-11-06 23:09:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2023-11-06 23:09:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2023-11-06 23:09:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2023-11-06 23:09:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2023-11-06 23:09:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:09:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:09:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2023-11-06 23:09:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2023-11-06 23:09:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-11-06 23:09:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-11-06 23:09:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-06 23:09:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-06 23:09:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 23:09:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 23:09:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 23:09:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 23:09:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2023-11-06 23:09:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2023-11-06 23:09:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2023-11-06 23:09:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2023-11-06 23:09:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:09:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2023-11-06 23:09:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2023-11-06 23:09:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-06 23:09:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-06 23:09:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-06 23:09:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-06 23:09:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2023-11-06 23:09:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2023-11-06 23:09:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-06 23:09:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-06 23:09:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2023-11-06 23:09:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2023-11-06 23:09:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2023-11-06 23:09:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2023-11-06 23:09:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 23:09:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 23:09:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2023-11-06 23:09:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2023-11-06 23:09:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2023-11-06 23:09:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2023-11-06 23:09:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:09:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2023-11-06 23:09:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2023-11-06 23:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2023-11-06 23:09:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2023-11-06 23:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2023-11-06 23:09:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2023-11-06 23:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-06 23:09:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-06 23:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2023-11-06 23:09:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2023-11-06 23:09:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2023-11-06 23:09:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2023-11-06 23:09:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 23:09:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 23:09:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:09:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2023-11-06 23:09:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2023-11-06 23:09:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 23:09:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 23:09:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2023-11-06 23:09:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2023-11-06 23:09:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 23:09:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 23:09:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 23:09:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 23:09:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2023-11-06 23:09:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2023-11-06 23:09:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 23:09:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 23:09:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2023-11-06 23:09:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2023-11-06 23:09:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2023-11-06 23:09:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2023-11-06 23:09:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2023-11-06 23:09:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2023-11-06 23:09:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-06 23:09:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-06 23:09:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2023-11-06 23:09:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2023-11-06 23:09:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2023-11-06 23:09:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2023-11-06 23:09:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2023-11-06 23:09:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2023-11-06 23:09:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2023-11-06 23:09:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2023-11-06 23:09:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2023-11-06 23:09:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2023-11-06 23:09:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-06 23:09:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-06 23:09:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-06 23:09:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-06 23:09:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2023-11-06 23:09:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2023-11-06 23:09:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2023-11-06 23:09:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2023-11-06 23:09:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2023-11-06 23:09:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2023-11-06 23:09:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-06 23:09:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-06 23:09:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2023-11-06 23:09:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2023-11-06 23:09:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2023-11-06 23:09:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2023-11-06 23:09:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2023-11-06 23:09:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2023-11-06 23:09:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2023-11-06 23:09:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2023-11-06 23:09:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2023-11-06 23:09:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2023-11-06 23:09:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2023-11-06 23:09:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2023-11-06 23:09:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:09:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:09:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2023-11-06 23:09:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2023-11-06 23:09:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2023-11-06 23:09:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2023-11-06 23:09:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:09:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:09:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2023-11-06 23:09:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2023-11-06 23:09:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2023-11-06 23:09:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2023-11-06 23:09:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2023-11-06 23:09:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2023-11-06 23:09:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2023-11-06 23:09:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2023-11-06 23:09:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2023-11-06 23:09:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2023-11-06 23:09:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2023-11-06 23:09:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2023-11-06 23:09:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2023-11-06 23:09:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2023-11-06 23:09:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2023-11-06 23:09:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2023-11-06 23:09:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-06 23:09:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-06 23:09:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-06 23:09:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-06 23:09:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 23:09:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 23:09:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2023-11-06 23:09:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2023-11-06 23:09:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2023-11-06 23:09:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2023-11-06 23:09:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2023-11-06 23:09:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2023-11-06 23:09:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2023-11-06 23:09:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2023-11-06 23:09:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:09:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 23:09:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 23:09:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2023-11-06 23:09:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2023-11-06 23:09:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 23:09:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 23:09:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-06 23:09:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-06 23:09:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-06 23:09:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-06 23:09:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2023-11-06 23:09:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2023-11-06 23:09:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-06 23:09:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-06 23:09:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-06 23:09:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-06 23:09:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2023-11-06 23:09:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2023-11-06 23:09:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2023-11-06 23:09:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2023-11-06 23:09:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 23:09:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 23:09:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2023-11-06 23:09:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2023-11-06 23:09:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2023-11-06 23:09:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2023-11-06 23:09:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2023-11-06 23:09:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2023-11-06 23:09:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2023-11-06 23:09:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2023-11-06 23:09:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-06 23:09:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-06 23:09:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-06 23:09:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-06 23:09:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-06 23:09:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-06 23:09:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2023-11-06 23:09:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2023-11-06 23:09:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2023-11-06 23:09:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2023-11-06 23:09:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2023-11-06 23:09:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2023-11-06 23:09:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-06 23:09:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-06 23:09:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2023-11-06 23:09:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2023-11-06 23:09:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:09:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2023-11-06 23:09:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2023-11-06 23:09:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2023-11-06 23:09:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2023-11-06 23:09:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:09:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:09:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-06 23:09:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-06 23:09:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-06 23:09:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-06 23:09:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 23:09:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 23:09:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-06 23:09:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-06 23:09:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2023-11-06 23:09:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2023-11-06 23:09:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 23:09:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 23:09:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 23:09:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 23:09:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-06 23:09:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-06 23:09:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2023-11-06 23:09:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2023-11-06 23:09:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2023-11-06 23:09:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2023-11-06 23:09:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2023-11-06 23:09:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2023-11-06 23:09:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2023-11-06 23:09:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2023-11-06 23:09:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-06 23:09:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-06 23:09:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:09:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:09:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2023-11-06 23:09:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2023-11-06 23:09:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-06 23:09:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-06 23:09:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2023-11-06 23:09:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2023-11-06 23:09:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2023-11-06 23:09:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2023-11-06 23:09:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-06 23:09:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-06 23:09:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2023-11-06 23:09:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2023-11-06 23:09:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2023-11-06 23:09:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2023-11-06 23:09:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 23:09:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 23:09:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2023-11-06 23:09:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2023-11-06 23:09:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-06 23:09:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-06 23:09:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2023-11-06 23:09:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2023-11-06 23:09:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2023-11-06 23:09:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2023-11-06 23:09:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_18 [2023-11-06 23:09:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_18 [2023-11-06 23:09:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2023-11-06 23:09:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2023-11-06 23:09:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2023-11-06 23:09:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2023-11-06 23:09:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 23:09:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 23:09:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2023-11-06 23:09:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2023-11-06 23:09:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2023-11-06 23:09:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2023-11-06 23:09:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 23:09:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 23:09:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-06 23:09:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-06 23:09:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2023-11-06 23:09:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2023-11-06 23:09:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 23:09:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 23:09:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2023-11-06 23:09:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2023-11-06 23:09:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:09:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:09:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:09:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:09:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2023-11-06 23:09:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2023-11-06 23:09:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 23:09:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 23:09:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2023-11-06 23:09:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2023-11-06 23:09:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2023-11-06 23:09:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2023-11-06 23:09:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2023-11-06 23:09:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2023-11-06 23:09:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:09:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:09:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2023-11-06 23:09:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2023-11-06 23:09:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2023-11-06 23:09:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2023-11-06 23:09:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 23:09:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 23:09:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-06 23:09:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-06 23:09:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2023-11-06 23:09:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2023-11-06 23:09:31,861 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:31,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:32,091 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 23:10:05,007 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:10:05,049 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:10:05,049 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 23:10:05,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:05 BoogieIcfgContainer [2023-11-06 23:10:05,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:10:05,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:10:05,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:10:05,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:10:05,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:16" (1/3) ... [2023-11-06 23:10:05,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261eed04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:05, skipping insertion in model container [2023-11-06 23:10:05,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:27" (2/3) ... [2023-11-06 23:10:05,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261eed04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:10:05, skipping insertion in model container [2023-11-06 23:10:05,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:10:05" (3/3) ... [2023-11-06 23:10:05,071 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2023-11-06 23:10:05,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:10:05,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:10:05,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:10:05,433 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@69f718a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:10:05,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:10:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 5769 states, 4054 states have (on average 1.337937839171189) internal successors, (5424), 4192 states have internal predecessors, (5424), 1419 states have call successors, (1419), 295 states have call predecessors, (1419), 294 states have return successors, (1404), 1328 states have call predecessors, (1404), 1404 states have call successors, (1404) [2023-11-06 23:10:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 23:10:05,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:05,472 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:10:05,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:05,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1290639360, now seen corresponding path program 1 times [2023-11-06 23:10:05,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:05,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082452904] [2023-11-06 23:10:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:10:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:10:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 23:10:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 23:10:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:10:09,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:09,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082452904] [2023-11-06 23:10:09,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082452904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:09,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523678876] [2023-11-06 23:10:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:09,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:09,710 INFO L87 Difference]: Start difference. First operand has 5769 states, 4054 states have (on average 1.337937839171189) internal successors, (5424), 4192 states have internal predecessors, (5424), 1419 states have call successors, (1419), 295 states have call predecessors, (1419), 294 states have return successors, (1404), 1328 states have call predecessors, (1404), 1404 states have call successors, (1404) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:10,558 INFO L93 Difference]: Finished difference Result 11496 states and 16684 transitions. [2023-11-06 23:10:10,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:10,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2023-11-06 23:10:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:10,651 INFO L225 Difference]: With dead ends: 11496 [2023-11-06 23:10:10,651 INFO L226 Difference]: Without dead ends: 5747 [2023-11-06 23:10:10,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:10,706 INFO L413 NwaCegarLoop]: 8174 mSDtfsCounter, 8164 mSDsluCounter, 16344 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8166 SdHoareTripleChecker+Valid, 24518 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:10,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8166 Valid, 24518 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2023-11-06 23:10:11,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 5747. [2023-11-06 23:10:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5747 states, 4049 states have (on average 1.3183502099283775) internal successors, (5338), 4174 states have internal predecessors, (5338), 1404 states have call successors, (1404), 295 states have call predecessors, (1404), 293 states have return successors, (1401), 1325 states have call predecessors, (1401), 1401 states have call successors, (1401) [2023-11-06 23:10:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5747 states to 5747 states and 8143 transitions. [2023-11-06 23:10:11,482 INFO L78 Accepts]: Start accepts. Automaton has 5747 states and 8143 transitions. Word has length 43 [2023-11-06 23:10:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:11,484 INFO L495 AbstractCegarLoop]: Abstraction has 5747 states and 8143 transitions. [2023-11-06 23:10:11,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:10:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5747 states and 8143 transitions. [2023-11-06 23:10:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 23:10:11,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:11,487 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:10:11,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:10:11,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:11,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:11,489 INFO L85 PathProgramCache]: Analyzing trace with hash -363367444, now seen corresponding path program 1 times [2023-11-06 23:10:11,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005189784] [2023-11-06 23:10:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:11,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:10:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:10:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:10:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 23:10:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 23:10:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 23:10:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:10:14,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:14,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005189784] [2023-11-06 23:10:14,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005189784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:14,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:14,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:10:14,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233791802] [2023-11-06 23:10:14,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:14,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:10:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:14,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:10:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:10:14,485 INFO L87 Difference]: Start difference. First operand 5747 states and 8143 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-06 23:10:15,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:15,554 INFO L93 Difference]: Finished difference Result 11436 states and 16440 transitions. [2023-11-06 23:10:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:10:15,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 [2023-11-06 23:10:15,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:15,662 INFO L225 Difference]: With dead ends: 11436 [2023-11-06 23:10:15,663 INFO L226 Difference]: Without dead ends: 10361 [2023-11-06 23:10:15,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:15,679 INFO L413 NwaCegarLoop]: 8590 mSDtfsCounter, 8241 mSDsluCounter, 25303 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8241 SdHoareTripleChecker+Valid, 33893 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:15,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8241 Valid, 33893 Invalid, 13 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:15,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10361 states. [2023-11-06 23:10:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10361 to 10329. [2023-11-06 23:10:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10329 states, 7228 states have (on average 1.3197288323187604) internal successors, (9539), 7467 states have internal predecessors, (9539), 2531 states have call successors, (2531), 573 states have call predecessors, (2531), 569 states have return successors, (2760), 2378 states have call predecessors, (2760), 2529 states have call successors, (2760) [2023-11-06 23:10:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 14830 transitions. [2023-11-06 23:10:16,835 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 14830 transitions. Word has length 48 [2023-11-06 23:10:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:16,836 INFO L495 AbstractCegarLoop]: Abstraction has 10329 states and 14830 transitions. [2023-11-06 23:10:16,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-06 23:10:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 14830 transitions. [2023-11-06 23:10:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2023-11-06 23:10:17,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:17,034 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 8, 8, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:17,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:10:17,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:17,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:17,036 INFO L85 PathProgramCache]: Analyzing trace with hash 542341791, now seen corresponding path program 1 times [2023-11-06 23:10:17,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:17,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986489935] [2023-11-06 23:10:17,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:18,075 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:18,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453278031] [2023-11-06 23:10:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:18,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:18,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:18,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:10:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:24,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 21949 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:10:24,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 1431 proven. 0 refuted. 0 times theorem prover too weak. 3536 trivial. 0 not checked. [2023-11-06 23:10:24,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:24,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:24,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986489935] [2023-11-06 23:10:24,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:24,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453278031] [2023-11-06 23:10:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453278031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:10:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755303967] [2023-11-06 23:10:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:24,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:24,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:24,494 INFO L87 Difference]: Start difference. First operand 10329 states and 14830 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2023-11-06 23:10:25,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:25,143 INFO L93 Difference]: Finished difference Result 20622 states and 30126 transitions. [2023-11-06 23:10:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:25,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) Word has length 1150 [2023-11-06 23:10:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:25,266 INFO L225 Difference]: With dead ends: 20622 [2023-11-06 23:10:25,266 INFO L226 Difference]: Without dead ends: 10331 [2023-11-06 23:10:25,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:25,350 INFO L413 NwaCegarLoop]: 8136 mSDtfsCounter, 0 mSDsluCounter, 8132 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16268 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:25,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16268 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10331 states. [2023-11-06 23:10:26,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10331 to 10331. [2023-11-06 23:10:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10331 states, 7230 states have (on average 1.319640387275242) internal successors, (9541), 7469 states have internal predecessors, (9541), 2531 states have call successors, (2531), 573 states have call predecessors, (2531), 569 states have return successors, (2760), 2378 states have call predecessors, (2760), 2529 states have call successors, (2760) [2023-11-06 23:10:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10331 states to 10331 states and 14832 transitions. [2023-11-06 23:10:26,201 INFO L78 Accepts]: Start accepts. Automaton has 10331 states and 14832 transitions. Word has length 1150 [2023-11-06 23:10:26,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:26,204 INFO L495 AbstractCegarLoop]: Abstraction has 10331 states and 14832 transitions. [2023-11-06 23:10:26,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2023-11-06 23:10:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 10331 states and 14832 transitions. [2023-11-06 23:10:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2023-11-06 23:10:26,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:26,354 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 8, 8, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:26,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:26,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:26,570 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:26,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:26,570 INFO L85 PathProgramCache]: Analyzing trace with hash 644430492, now seen corresponding path program 1 times [2023-11-06 23:10:26,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:26,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403462064] [2023-11-06 23:10:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:26,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:27,528 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:27,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047363940] [2023-11-06 23:10:27,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:27,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:27,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:27,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:10:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:33,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 21949 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:10:33,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 1583 proven. 0 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2023-11-06 23:10:33,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:33,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403462064] [2023-11-06 23:10:33,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:33,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047363940] [2023-11-06 23:10:33,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047363940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:33,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:33,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:10:33,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381693159] [2023-11-06 23:10:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:33,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:10:33,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:10:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:33,628 INFO L87 Difference]: Start difference. First operand 10331 states and 14832 transitions. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2023-11-06 23:10:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:34,315 INFO L93 Difference]: Finished difference Result 20626 states and 30084 transitions. [2023-11-06 23:10:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:10:34,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) Word has length 1150 [2023-11-06 23:10:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:34,401 INFO L225 Difference]: With dead ends: 20626 [2023-11-06 23:10:34,402 INFO L226 Difference]: Without dead ends: 10333 [2023-11-06 23:10:34,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:10:34,458 INFO L413 NwaCegarLoop]: 8136 mSDtfsCounter, 0 mSDsluCounter, 8131 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16267 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:34,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16267 Invalid, 6 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:10:34,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10333 states. [2023-11-06 23:10:35,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10333 to 10333. [2023-11-06 23:10:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10333 states, 7232 states have (on average 1.3195519911504425) internal successors, (9543), 7471 states have internal predecessors, (9543), 2531 states have call successors, (2531), 573 states have call predecessors, (2531), 569 states have return successors, (2760), 2378 states have call predecessors, (2760), 2529 states have call successors, (2760) [2023-11-06 23:10:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10333 states to 10333 states and 14834 transitions. [2023-11-06 23:10:35,339 INFO L78 Accepts]: Start accepts. Automaton has 10333 states and 14834 transitions. Word has length 1150 [2023-11-06 23:10:35,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:35,341 INFO L495 AbstractCegarLoop]: Abstraction has 10333 states and 14834 transitions. [2023-11-06 23:10:35,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 2 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2023-11-06 23:10:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 10333 states and 14834 transitions. [2023-11-06 23:10:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1153 [2023-11-06 23:10:35,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:35,410 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 8, 8, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:35,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:35,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:35,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:35,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:35,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1070784079, now seen corresponding path program 1 times [2023-11-06 23:10:35,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259716268] [2023-11-06 23:10:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:35,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:36,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:36,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995084256] [2023-11-06 23:10:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:36,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:36,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:36,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:36,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:10:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:42,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 21954 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:10:42,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 1558 proven. 0 refuted. 0 times theorem prover too weak. 3409 trivial. 0 not checked. [2023-11-06 23:10:42,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:42,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259716268] [2023-11-06 23:10:42,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995084256] [2023-11-06 23:10:42,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995084256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:42,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:42,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:10:42,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179099705] [2023-11-06 23:10:42,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:42,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:42,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:42,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:42,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:42,829 INFO L87 Difference]: Start difference. First operand 10333 states and 14834 transitions. Second operand has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (140), 4 states have call predecessors, (140), 4 states have call successors, (140) [2023-11-06 23:10:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:43,596 INFO L93 Difference]: Finished difference Result 19474 states and 27892 transitions. [2023-11-06 23:10:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:43,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (140), 4 states have call predecessors, (140), 4 states have call successors, (140) Word has length 1152 [2023-11-06 23:10:43,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:43,667 INFO L225 Difference]: With dead ends: 19474 [2023-11-06 23:10:43,667 INFO L226 Difference]: Without dead ends: 10337 [2023-11-06 23:10:43,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:43,711 INFO L413 NwaCegarLoop]: 8130 mSDtfsCounter, 18 mSDsluCounter, 32483 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40613 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:43,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40613 Invalid, 56 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10337 states. [2023-11-06 23:10:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10337 to 10337. [2023-11-06 23:10:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10337 states, 7234 states have (on average 1.3194636439037877) internal successors, (9545), 7474 states have internal predecessors, (9545), 2532 states have call successors, (2532), 573 states have call predecessors, (2532), 570 states have return successors, (2763), 2379 states have call predecessors, (2763), 2530 states have call successors, (2763) [2023-11-06 23:10:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10337 states to 10337 states and 14840 transitions. [2023-11-06 23:10:44,521 INFO L78 Accepts]: Start accepts. Automaton has 10337 states and 14840 transitions. Word has length 1152 [2023-11-06 23:10:44,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:44,523 INFO L495 AbstractCegarLoop]: Abstraction has 10337 states and 14840 transitions. [2023-11-06 23:10:44,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 4 states have call successors, (142), 2 states have call predecessors, (142), 4 states have return successors, (140), 4 states have call predecessors, (140), 4 states have call successors, (140) [2023-11-06 23:10:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 10337 states and 14840 transitions. [2023-11-06 23:10:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2023-11-06 23:10:44,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:44,586 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 8, 8, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:44,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:44,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:44,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:44,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1780514407, now seen corresponding path program 1 times [2023-11-06 23:10:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:44,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109251686] [2023-11-06 23:10:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:45,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:45,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1360886863] [2023-11-06 23:10:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:45,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:45,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:45,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:10:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:10:51,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 21980 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:10:51,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:10:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5003 backedges. 1558 proven. 0 refuted. 0 times theorem prover too weak. 3445 trivial. 0 not checked. [2023-11-06 23:10:51,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:10:51,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:10:51,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109251686] [2023-11-06 23:10:51,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:10:51,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360886863] [2023-11-06 23:10:51,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360886863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:10:51,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:10:51,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:10:51,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806342771] [2023-11-06 23:10:51,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:10:51,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:10:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:10:51,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:10:51,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:10:51,797 INFO L87 Difference]: Start difference. First operand 10337 states and 14840 transitions. Second operand has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (141), 4 states have call predecessors, (141), 4 states have call successors, (141) [2023-11-06 23:10:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:10:52,656 INFO L93 Difference]: Finished difference Result 19482 states and 27903 transitions. [2023-11-06 23:10:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:10:52,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (141), 4 states have call predecessors, (141), 4 states have call successors, (141) Word has length 1158 [2023-11-06 23:10:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:10:52,724 INFO L225 Difference]: With dead ends: 19482 [2023-11-06 23:10:52,725 INFO L226 Difference]: Without dead ends: 10341 [2023-11-06 23:10:52,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:10:52,766 INFO L413 NwaCegarLoop]: 8130 mSDtfsCounter, 19 mSDsluCounter, 32487 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 40617 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:10:52,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 40617 Invalid, 49 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:10:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10341 states. [2023-11-06 23:10:53,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10341 to 10341. [2023-11-06 23:10:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10341 states, 7236 states have (on average 1.3193753454947486) internal successors, (9547), 7477 states have internal predecessors, (9547), 2533 states have call successors, (2533), 573 states have call predecessors, (2533), 571 states have return successors, (2765), 2380 states have call predecessors, (2765), 2531 states have call successors, (2765) [2023-11-06 23:10:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10341 states to 10341 states and 14845 transitions. [2023-11-06 23:10:53,554 INFO L78 Accepts]: Start accepts. Automaton has 10341 states and 14845 transitions. Word has length 1158 [2023-11-06 23:10:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:10:53,556 INFO L495 AbstractCegarLoop]: Abstraction has 10341 states and 14845 transitions. [2023-11-06 23:10:53,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (141), 4 states have call predecessors, (141), 4 states have call successors, (141) [2023-11-06 23:10:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10341 states and 14845 transitions. [2023-11-06 23:10:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1167 [2023-11-06 23:10:53,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:10:53,630 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 8, 8, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:10:53,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:10:53,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:10:53,847 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:10:53,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:10:53,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1137448676, now seen corresponding path program 1 times [2023-11-06 23:10:53,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:10:53,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618524135] [2023-11-06 23:10:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:53,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:10:54,590 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:10:54,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [891342883] [2023-11-06 23:10:54,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:10:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:10:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:10:54,593 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:10:54,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:11:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:00,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 22017 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:11:00,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1540 proven. 0 refuted. 0 times theorem prover too weak. 3511 trivial. 0 not checked. [2023-11-06 23:11:00,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:00,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:00,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618524135] [2023-11-06 23:11:00,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891342883] [2023-11-06 23:11:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891342883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:00,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:00,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:00,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383382616] [2023-11-06 23:11:00,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:00,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:00,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:00,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:00,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:00,643 INFO L87 Difference]: Start difference. First operand 10341 states and 14845 transitions. Second operand has 5 states, 5 states have (on average 91.2) internal successors, (456), 4 states have internal predecessors, (456), 2 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2023-11-06 23:11:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:01,258 INFO L93 Difference]: Finished difference Result 20732 states and 30268 transitions. [2023-11-06 23:11:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:01,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 4 states have internal predecessors, (456), 2 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) Word has length 1166 [2023-11-06 23:11:01,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:01,332 INFO L225 Difference]: With dead ends: 20732 [2023-11-06 23:11:01,332 INFO L226 Difference]: Without dead ends: 10429 [2023-11-06 23:11:01,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1165 GetRequests, 1162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:01,398 INFO L413 NwaCegarLoop]: 8138 mSDtfsCounter, 179 mSDsluCounter, 24218 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 32356 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:01,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 32356 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10429 states. [2023-11-06 23:11:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10429 to 10349. [2023-11-06 23:11:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10349 states, 7242 states have (on average 1.3191107428887048) internal successors, (9553), 7483 states have internal predecessors, (9553), 2533 states have call successors, (2533), 573 states have call predecessors, (2533), 573 states have return successors, (2769), 2382 states have call predecessors, (2769), 2531 states have call successors, (2769) [2023-11-06 23:11:02,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10349 states to 10349 states and 14855 transitions. [2023-11-06 23:11:02,144 INFO L78 Accepts]: Start accepts. Automaton has 10349 states and 14855 transitions. Word has length 1166 [2023-11-06 23:11:02,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:02,146 INFO L495 AbstractCegarLoop]: Abstraction has 10349 states and 14855 transitions. [2023-11-06 23:11:02,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 4 states have internal predecessors, (456), 2 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2023-11-06 23:11:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10349 states and 14855 transitions. [2023-11-06 23:11:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2023-11-06 23:11:02,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:02,220 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:02,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:02,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:02,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:02,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1337925999, now seen corresponding path program 1 times [2023-11-06 23:11:02,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:02,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006631637] [2023-11-06 23:11:02,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:02,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:03,256 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:03,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54782521] [2023-11-06 23:11:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:03,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:03,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:03,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:11:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 22144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:11:09,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5108 trivial. 0 not checked. [2023-11-06 23:11:09,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:09,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006631637] [2023-11-06 23:11:09,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:09,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54782521] [2023-11-06 23:11:09,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54782521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:09,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660133306] [2023-11-06 23:11:09,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:09,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:09,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:09,491 INFO L87 Difference]: Start difference. First operand 10349 states and 14855 transitions. Second operand has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (131), 1 states have call predecessors, (131), 1 states have call successors, (131) [2023-11-06 23:11:10,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:10,222 INFO L93 Difference]: Finished difference Result 22510 states and 32467 transitions. [2023-11-06 23:11:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:11:10,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (131), 1 states have call predecessors, (131), 1 states have call successors, (131) Word has length 1187 [2023-11-06 23:11:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:10,296 INFO L225 Difference]: With dead ends: 22510 [2023-11-06 23:11:10,296 INFO L226 Difference]: Without dead ends: 12183 [2023-11-06 23:11:10,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:10,330 INFO L413 NwaCegarLoop]: 9044 mSDtfsCounter, 1184 mSDsluCounter, 26386 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 35430 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:10,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 35430 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12183 states. [2023-11-06 23:11:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12183 to 10352. [2023-11-06 23:11:10,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10352 states, 7245 states have (on average 1.3189786059351276) internal successors, (9556), 7486 states have internal predecessors, (9556), 2533 states have call successors, (2533), 573 states have call predecessors, (2533), 573 states have return successors, (2769), 2382 states have call predecessors, (2769), 2531 states have call successors, (2769) [2023-11-06 23:11:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10352 states to 10352 states and 14858 transitions. [2023-11-06 23:11:11,014 INFO L78 Accepts]: Start accepts. Automaton has 10352 states and 14858 transitions. Word has length 1187 [2023-11-06 23:11:11,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:11,014 INFO L495 AbstractCegarLoop]: Abstraction has 10352 states and 14858 transitions. [2023-11-06 23:11:11,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 1 states have call successors, (133), 1 states have call predecessors, (133), 1 states have return successors, (131), 1 states have call predecessors, (131), 1 states have call successors, (131) [2023-11-06 23:11:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 10352 states and 14858 transitions. [2023-11-06 23:11:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2023-11-06 23:11:11,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:11,088 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:11,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:11,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:11,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:11,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:11,302 INFO L85 PathProgramCache]: Analyzing trace with hash 591145633, now seen corresponding path program 1 times [2023-11-06 23:11:11,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:11,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38388107] [2023-11-06 23:11:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:11,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:12,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643284171] [2023-11-06 23:11:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:12,022 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:12,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:11:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:17,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 22168 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:11:17,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5099 backedges. 1661 proven. 0 refuted. 0 times theorem prover too weak. 3438 trivial. 0 not checked. [2023-11-06 23:11:18,093 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:18,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:18,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38388107] [2023-11-06 23:11:18,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:18,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643284171] [2023-11-06 23:11:18,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643284171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:18,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:18,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 23:11:18,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308695774] [2023-11-06 23:11:18,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:18,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:11:18,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:18,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:11:18,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:18,100 INFO L87 Difference]: Start difference. First operand 10352 states and 14858 transitions. Second operand has 9 states, 9 states have (on average 50.333333333333336) internal successors, (453), 7 states have internal predecessors, (453), 3 states have call successors, (137), 2 states have call predecessors, (137), 4 states have return successors, (135), 5 states have call predecessors, (135), 3 states have call successors, (135) [2023-11-06 23:11:18,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:18,901 INFO L93 Difference]: Finished difference Result 20761 states and 30301 transitions. [2023-11-06 23:11:18,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:11:18,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 50.333333333333336) internal successors, (453), 7 states have internal predecessors, (453), 3 states have call successors, (137), 2 states have call predecessors, (137), 4 states have return successors, (135), 5 states have call predecessors, (135), 3 states have call successors, (135) Word has length 1187 [2023-11-06 23:11:18,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:18,977 INFO L225 Difference]: With dead ends: 20761 [2023-11-06 23:11:18,977 INFO L226 Difference]: Without dead ends: 10450 [2023-11-06 23:11:19,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:11:19,053 INFO L413 NwaCegarLoop]: 8126 mSDtfsCounter, 46 mSDsluCounter, 56841 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 64967 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:19,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 64967 Invalid, 141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:19,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2023-11-06 23:11:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10422. [2023-11-06 23:11:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10422 states, 7297 states have (on average 1.318350006852131) internal successors, (9620), 7538 states have internal predecessors, (9620), 2547 states have call successors, (2547), 573 states have call predecessors, (2547), 577 states have return successors, (2797), 2400 states have call predecessors, (2797), 2545 states have call successors, (2797) [2023-11-06 23:11:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10422 states to 10422 states and 14964 transitions. [2023-11-06 23:11:19,836 INFO L78 Accepts]: Start accepts. Automaton has 10422 states and 14964 transitions. Word has length 1187 [2023-11-06 23:11:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:19,838 INFO L495 AbstractCegarLoop]: Abstraction has 10422 states and 14964 transitions. [2023-11-06 23:11:19,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 50.333333333333336) internal successors, (453), 7 states have internal predecessors, (453), 3 states have call successors, (137), 2 states have call predecessors, (137), 4 states have return successors, (135), 5 states have call predecessors, (135), 3 states have call successors, (135) [2023-11-06 23:11:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 10422 states and 14964 transitions. [2023-11-06 23:11:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2023-11-06 23:11:19,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:19,911 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:19,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:20,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:20,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:20,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash 347741373, now seen corresponding path program 1 times [2023-11-06 23:11:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125863127] [2023-11-06 23:11:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:20,717 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:20,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502681221] [2023-11-06 23:11:20,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:20,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:20,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:20,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:20,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:11:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:26,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 22223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:26,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5148 backedges. 1688 proven. 0 refuted. 0 times theorem prover too weak. 3460 trivial. 0 not checked. [2023-11-06 23:11:26,956 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:26,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:26,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125863127] [2023-11-06 23:11:26,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:26,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502681221] [2023-11-06 23:11:26,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502681221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:26,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:26,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:26,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059050754] [2023-11-06 23:11:26,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:26,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:26,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:26,965 INFO L87 Difference]: Start difference. First operand 10422 states and 14964 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 2 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) [2023-11-06 23:11:27,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:27,650 INFO L93 Difference]: Finished difference Result 20831 states and 30409 transitions. [2023-11-06 23:11:27,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:27,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 2 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) Word has length 1221 [2023-11-06 23:11:27,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:27,706 INFO L225 Difference]: With dead ends: 20831 [2023-11-06 23:11:27,706 INFO L226 Difference]: Without dead ends: 10450 [2023-11-06 23:11:27,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1218 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:27,745 INFO L413 NwaCegarLoop]: 8136 mSDtfsCounter, 14 mSDsluCounter, 16264 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24400 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:27,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 24400 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2023-11-06 23:11:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10426. [2023-11-06 23:11:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10426 states, 7301 states have (on average 1.3181755923846048) internal successors, (9624), 7542 states have internal predecessors, (9624), 2547 states have call successors, (2547), 573 states have call predecessors, (2547), 577 states have return successors, (2797), 2400 states have call predecessors, (2797), 2545 states have call successors, (2797) [2023-11-06 23:11:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10426 states to 10426 states and 14968 transitions. [2023-11-06 23:11:28,365 INFO L78 Accepts]: Start accepts. Automaton has 10426 states and 14968 transitions. Word has length 1221 [2023-11-06 23:11:28,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:28,367 INFO L495 AbstractCegarLoop]: Abstraction has 10426 states and 14968 transitions. [2023-11-06 23:11:28,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 2 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) [2023-11-06 23:11:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 10426 states and 14968 transitions. [2023-11-06 23:11:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1231 [2023-11-06 23:11:28,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:28,436 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:28,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:28,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:11:28,662 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:28,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:28,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1716913252, now seen corresponding path program 1 times [2023-11-06 23:11:28,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:28,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549414095] [2023-11-06 23:11:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:28,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:29,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117054933] [2023-11-06 23:11:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:29,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:29,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:29,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:29,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:11:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:35,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 22250 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:35,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 1691 proven. 0 refuted. 0 times theorem prover too weak. 3454 trivial. 0 not checked. [2023-11-06 23:11:35,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:35,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:35,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549414095] [2023-11-06 23:11:35,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:35,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117054933] [2023-11-06 23:11:35,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117054933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:35,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:35,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:35,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963173011] [2023-11-06 23:11:35,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:35,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:35,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:35,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:35,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:35,500 INFO L87 Difference]: Start difference. First operand 10426 states and 14968 transitions. Second operand has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 3 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (143), 3 states have call predecessors, (143), 3 states have call successors, (143) [2023-11-06 23:11:36,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:36,059 INFO L93 Difference]: Finished difference Result 20835 states and 30411 transitions. [2023-11-06 23:11:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:36,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 3 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (143), 3 states have call predecessors, (143), 3 states have call successors, (143) Word has length 1230 [2023-11-06 23:11:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:36,115 INFO L225 Difference]: With dead ends: 20835 [2023-11-06 23:11:36,116 INFO L226 Difference]: Without dead ends: 10450 [2023-11-06 23:11:36,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1229 GetRequests, 1227 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:36,161 INFO L413 NwaCegarLoop]: 8135 mSDtfsCounter, 9 mSDsluCounter, 8144 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16279 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:36,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16279 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:36,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2023-11-06 23:11:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10438. [2023-11-06 23:11:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10438 states, 7311 states have (on average 1.3185610723567227) internal successors, (9640), 7552 states have internal predecessors, (9640), 2549 states have call successors, (2549), 573 states have call predecessors, (2549), 577 states have return successors, (2799), 2402 states have call predecessors, (2799), 2547 states have call successors, (2799) [2023-11-06 23:11:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10438 states to 10438 states and 14988 transitions. [2023-11-06 23:11:36,865 INFO L78 Accepts]: Start accepts. Automaton has 10438 states and 14988 transitions. Word has length 1230 [2023-11-06 23:11:36,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:36,867 INFO L495 AbstractCegarLoop]: Abstraction has 10438 states and 14988 transitions. [2023-11-06 23:11:36,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 3 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (143), 3 states have call predecessors, (143), 3 states have call successors, (143) [2023-11-06 23:11:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10438 states and 14988 transitions. [2023-11-06 23:11:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1231 [2023-11-06 23:11:36,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:36,931 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:36,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:37,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:11:37,146 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:37,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1383639843, now seen corresponding path program 1 times [2023-11-06 23:11:37,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:37,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029173181] [2023-11-06 23:11:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:37,800 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920453220] [2023-11-06 23:11:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:37,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:37,802 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:37,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:11:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 22250 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:44,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 1589 proven. 0 refuted. 0 times theorem prover too weak. 3556 trivial. 0 not checked. [2023-11-06 23:11:44,094 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:44,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:44,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029173181] [2023-11-06 23:11:44,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:44,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920453220] [2023-11-06 23:11:44,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920453220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:44,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432004337] [2023-11-06 23:11:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:44,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:44,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:44,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:44,100 INFO L87 Difference]: Start difference. First operand 10438 states and 14988 transitions. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 2 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-11-06 23:11:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:44,739 INFO L93 Difference]: Finished difference Result 20851 states and 30438 transitions. [2023-11-06 23:11:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 2 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1230 [2023-11-06 23:11:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:44,793 INFO L225 Difference]: With dead ends: 20851 [2023-11-06 23:11:44,793 INFO L226 Difference]: Without dead ends: 10454 [2023-11-06 23:11:44,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1229 GetRequests, 1227 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:44,831 INFO L413 NwaCegarLoop]: 8135 mSDtfsCounter, 10 mSDsluCounter, 16255 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 24390 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:44,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 24390 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:44,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10454 states. [2023-11-06 23:11:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10454 to 10444. [2023-11-06 23:11:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10444 states, 7317 states have (on average 1.3182998496651632) internal successors, (9646), 7558 states have internal predecessors, (9646), 2549 states have call successors, (2549), 573 states have call predecessors, (2549), 577 states have return successors, (2799), 2402 states have call predecessors, (2799), 2547 states have call successors, (2799) [2023-11-06 23:11:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10444 states to 10444 states and 14994 transitions. [2023-11-06 23:11:45,538 INFO L78 Accepts]: Start accepts. Automaton has 10444 states and 14994 transitions. Word has length 1230 [2023-11-06 23:11:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:45,540 INFO L495 AbstractCegarLoop]: Abstraction has 10444 states and 14994 transitions. [2023-11-06 23:11:45,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 2 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-11-06 23:11:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 10444 states and 14994 transitions. [2023-11-06 23:11:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1234 [2023-11-06 23:11:45,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:45,586 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:45,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:45,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:11:45,786 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:45,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 633830586, now seen corresponding path program 1 times [2023-11-06 23:11:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:45,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196565943] [2023-11-06 23:11:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:46,345 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:46,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696486403] [2023-11-06 23:11:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:46,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:46,347 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:11:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 22275 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:11:52,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 1681 proven. 0 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2023-11-06 23:11:52,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:52,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196565943] [2023-11-06 23:11:52,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:11:52,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696486403] [2023-11-06 23:11:52,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696486403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:11:52,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272577011] [2023-11-06 23:11:52,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:52,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:52,545 INFO L87 Difference]: Start difference. First operand 10444 states and 14994 transitions. Second operand has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (143), 4 states have call predecessors, (143), 3 states have call successors, (143) [2023-11-06 23:11:54,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:54,133 INFO L93 Difference]: Finished difference Result 20923 states and 30533 transitions. [2023-11-06 23:11:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:11:54,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (143), 4 states have call predecessors, (143), 3 states have call successors, (143) Word has length 1233 [2023-11-06 23:11:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:54,191 INFO L225 Difference]: With dead ends: 20923 [2023-11-06 23:11:54,191 INFO L226 Difference]: Without dead ends: 10520 [2023-11-06 23:11:54,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1234 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:11:54,233 INFO L413 NwaCegarLoop]: 8045 mSDtfsCounter, 31 mSDsluCounter, 31987 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 40032 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:54,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 40032 Invalid, 882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:11:54,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10520 states. [2023-11-06 23:11:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10520 to 10498. [2023-11-06 23:11:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10498 states, 7359 states have (on average 1.3181138741676859) internal successors, (9700), 7600 states have internal predecessors, (9700), 2561 states have call successors, (2561), 573 states have call predecessors, (2561), 577 states have return successors, (2813), 2414 states have call predecessors, (2813), 2559 states have call successors, (2813) [2023-11-06 23:11:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10498 states to 10498 states and 15074 transitions. [2023-11-06 23:11:55,101 INFO L78 Accepts]: Start accepts. Automaton has 10498 states and 15074 transitions. Word has length 1233 [2023-11-06 23:11:55,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:55,102 INFO L495 AbstractCegarLoop]: Abstraction has 10498 states and 15074 transitions. [2023-11-06 23:11:55,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 3 states have call successors, (145), 2 states have call predecessors, (145), 3 states have return successors, (143), 4 states have call predecessors, (143), 3 states have call successors, (143) [2023-11-06 23:11:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 10498 states and 15074 transitions. [2023-11-06 23:11:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1194 [2023-11-06 23:11:55,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:55,143 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:55,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:55,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:11:55,346 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:55,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1503640873, now seen corresponding path program 1 times [2023-11-06 23:11:55,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:55,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191055837] [2023-11-06 23:11:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:55,935 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:55,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389158323] [2023-11-06 23:11:55,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:55,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:55,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:55,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:12:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:01,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 22198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:01,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5099 backedges. 1655 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2023-11-06 23:12:01,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:01,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:01,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191055837] [2023-11-06 23:12:01,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:01,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389158323] [2023-11-06 23:12:01,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389158323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:01,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:01,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:12:01,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630752554] [2023-11-06 23:12:01,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:01,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:12:01,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:01,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:01,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:01,837 INFO L87 Difference]: Start difference. First operand 10498 states and 15074 transitions. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) [2023-11-06 23:12:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:02,455 INFO L93 Difference]: Finished difference Result 21035 states and 30709 transitions. [2023-11-06 23:12:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:02,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) Word has length 1193 [2023-11-06 23:12:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:02,498 INFO L225 Difference]: With dead ends: 21035 [2023-11-06 23:12:02,498 INFO L226 Difference]: Without dead ends: 10578 [2023-11-06 23:12:02,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1192 GetRequests, 1191 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:02,532 INFO L413 NwaCegarLoop]: 8137 mSDtfsCounter, 37 mSDsluCounter, 8124 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 16261 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:02,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 16261 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10578 states. [2023-11-06 23:12:03,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10578 to 10508. [2023-11-06 23:12:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10508 states, 7367 states have (on average 1.3180399076964844) internal successors, (9710), 7608 states have internal predecessors, (9710), 2563 states have call successors, (2563), 573 states have call predecessors, (2563), 577 states have return successors, (2815), 2416 states have call predecessors, (2815), 2561 states have call successors, (2815) [2023-11-06 23:12:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10508 states to 10508 states and 15088 transitions. [2023-11-06 23:12:03,118 INFO L78 Accepts]: Start accepts. Automaton has 10508 states and 15088 transitions. Word has length 1193 [2023-11-06 23:12:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:03,120 INFO L495 AbstractCegarLoop]: Abstraction has 10508 states and 15088 transitions. [2023-11-06 23:12:03,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) [2023-11-06 23:12:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10508 states and 15088 transitions. [2023-11-06 23:12:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1194 [2023-11-06 23:12:03,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:03,164 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:03,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-06 23:12:03,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:12:03,369 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:03,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1688749419, now seen corresponding path program 1 times [2023-11-06 23:12:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238345413] [2023-11-06 23:12:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:03,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:03,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743122265] [2023-11-06 23:12:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:03,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:03,877 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:03,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984580f-6259-414f-b033-00ed10ab94fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:12:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:09,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 22200 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:12:09,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5099 backedges. 1673 proven. 0 refuted. 0 times theorem prover too weak. 3426 trivial. 0 not checked. [2023-11-06 23:12:10,050 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:10,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:10,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238345413] [2023-11-06 23:12:10,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:10,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743122265] [2023-11-06 23:12:10,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743122265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:10,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:10,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:12:10,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241546622] [2023-11-06 23:12:10,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:10,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:10,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:10,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:10,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:10,055 INFO L87 Difference]: Start difference. First operand 10508 states and 15088 transitions. Second operand has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 3 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) [2023-11-06 23:12:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:11,563 INFO L93 Difference]: Finished difference Result 20971 states and 30597 transitions. [2023-11-06 23:12:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:11,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 3 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (135), 3 states have call predecessors, (135), 3 states have call successors, (135) Word has length 1193 [2023-11-06 23:12:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:11,608 INFO L225 Difference]: With dead ends: 20971 [2023-11-06 23:12:11,608 INFO L226 Difference]: Without dead ends: 10504 [2023-11-06 23:12:11,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1193 GetRequests, 1188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:11,644 INFO L413 NwaCegarLoop]: 8001 mSDtfsCounter, 0 mSDsluCounter, 31857 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39858 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:11,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39858 Invalid, 835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 23:12:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10504 states. [2023-11-06 23:12:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10504 to 10504. [2023-11-06 23:12:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10504 states, 7363 states have (on average 1.317941056634524) internal successors, (9704), 7604 states have internal predecessors, (9704), 2563 states have call successors, (2563), 573 states have call predecessors, (2563), 577 states have return successors, (2815), 2416 states have call predecessors, (2815), 2561 states have call successors, (2815)