./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:28,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:28,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:38:28,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:28,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:28,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:28,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:28,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:28,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:28,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:28,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:28,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:28,526 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:28,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:28,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:28,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:28,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:28,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:28,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:28,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:28,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:28,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:28,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:28,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:28,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:28,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:28,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:28,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:28,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:28,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:28,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:28,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:28,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:28,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:28,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:28,540 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:28,540 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_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2023-11-19 07:38:28,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:28,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:28,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:28,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:28,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:28,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-19 07:38:32,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:32,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:32,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-19 07:38:32,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/data/93a62e32a/16ad70c438e043778950ae5bc4078832/FLAGdd7a122bf [2023-11-19 07:38:32,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/data/93a62e32a/16ad70c438e043778950ae5bc4078832 [2023-11-19 07:38:32,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:32,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:32,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:32,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:32,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:32,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:32,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257ddbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:32, skipping insertion in model container [2023-11-19 07:38:32,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:32" (1/1) ... [2023-11-19 07:38:33,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:36,151 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_46147b92-2303-4995-9325-ec285d0a4633/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-19 07:38:36,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:36,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:36,462 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"); [5533] [2023-11-19 07:38:36,464 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)); [5540] [2023-11-19 07:38:36,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5547] [2023-11-19 07:38:36,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5596-5597] [2023-11-19 07:38:36,467 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"); [5602-5604] [2023-11-19 07:38:36,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5629-5630] [2023-11-19 07:38:36,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5635-5637] [2023-11-19 07:38:36,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5661-5662] [2023-11-19 07:38:36,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5667-5669] [2023-11-19 07:38:36,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5695] [2023-11-19 07:38:36,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5841] [2023-11-19 07:38:36,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5848] [2023-11-19 07:38:36,483 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)); [5960-5961] [2023-11-19 07:38:36,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5994-5995] [2023-11-19 07:38:36,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1516), "i" (12UL)); [6169-6170] [2023-11-19 07:38:36,500 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)); [6349-6350] [2023-11-19 07:38:36,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6356] [2023-11-19 07:38:36,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2023-11-19 07:38:36,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7673] [2023-11-19 07:38:36,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2023-11-19 07:38:36,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7778] [2023-11-19 07:38:36,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7802] [2023-11-19 07:38:36,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7823] [2023-11-19 07:38:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7911] [2023-11-19 07:38:36,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/cadence/macb.c"), "i" (808), "i" (12UL)); [7930-7931] [2023-11-19 07:38:36,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7955] [2023-11-19 07:38:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7985] [2023-11-19 07:38:36,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/cadence/macb.c"), "i" (863), "i" (12UL)); [8009-8010] [2023-11-19 07:38:36,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8292] [2023-11-19 07:38:36,934 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_46147b92-2303-4995-9325-ec285d0a4633/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-19 07:38:36,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:37,186 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:37,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37 WrapperNode [2023-11-19 07:38:37,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:37,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:37,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:37,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:37,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,657 INFO L138 Inliner]: procedures = 426, calls = 2261, calls flagged for inlining = 259, calls inlined = 248, statements flattened = 6534 [2023-11-19 07:38:37,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:37,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:37,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:37,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:37,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:37,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:38,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:38,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:38,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:38,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:38,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (1/1) ... [2023-11-19 07:38:38,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:38,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:38,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46147b92-2303-4995-9325-ec285d0a4633/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:38:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:38:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 07:38:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 07:38:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:38:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:38:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:38:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:38:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-11-19 07:38:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-11-19 07:38:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 07:38:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 07:38:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:38:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:38:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:38:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:38:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2023-11-19 07:38:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2023-11-19 07:38:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2023-11-19 07:38:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2023-11-19 07:38:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 07:38:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 07:38:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:38:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:38:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2023-11-19 07:38:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2023-11-19 07:38:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 07:38:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 07:38:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:38:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:38:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:38:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:38:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:38:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:38:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:38:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:38:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 07:38:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 07:38:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:38:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:38:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2023-11-19 07:38:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2023-11-19 07:38:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:38:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:38:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 07:38:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 07:38:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:38:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:38:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 07:38:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 07:38:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:38:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-11-19 07:38:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-11-19 07:38:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:38:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:38:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 07:38:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 07:38:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:38:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:38:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:38:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:38:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:38:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2023-11-19 07:38:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2023-11-19 07:38:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:38:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:38:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-19 07:38:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-19 07:38:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:38:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:38:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2023-11-19 07:38:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2023-11-19 07:38:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:38:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:38:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2023-11-19 07:38:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2023-11-19 07:38:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2023-11-19 07:38:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2023-11-19 07:38:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:38:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:38:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:38:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:38:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:38:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 07:38:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 07:38:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-11-19 07:38:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-11-19 07:38:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2023-11-19 07:38:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2023-11-19 07:38:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:38:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:38:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:38:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:38:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2023-11-19 07:38:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2023-11-19 07:38:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:38:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 07:38:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 07:38:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:38:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:38:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:38:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:38:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:38:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:38:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-11-19 07:38:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-11-19 07:38:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-19 07:38:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-19 07:38:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:38:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:38:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-19 07:38:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-19 07:38:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:38:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:38:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:38:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:38:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-19 07:38:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-19 07:38:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2023-11-19 07:38:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2023-11-19 07:38:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:38:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:38:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2023-11-19 07:38:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2023-11-19 07:38:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:38:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:38:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2023-11-19 07:38:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2023-11-19 07:38:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2023-11-19 07:38:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2023-11-19 07:38:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:38:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:38:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2023-11-19 07:38:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2023-11-19 07:38:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2023-11-19 07:38:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2023-11-19 07:38:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2023-11-19 07:38:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2023-11-19 07:38:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2023-11-19 07:38:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2023-11-19 07:38:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2023-11-19 07:38:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2023-11-19 07:38:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2023-11-19 07:38:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2023-11-19 07:38:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2023-11-19 07:38:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2023-11-19 07:38:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 07:38:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 07:38:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:38:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:38:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2023-11-19 07:38:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2023-11-19 07:38:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-19 07:38:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-19 07:38:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 07:38:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 07:38:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:38:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:38:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2023-11-19 07:38:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2023-11-19 07:38:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:38:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2023-11-19 07:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2023-11-19 07:38:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2023-11-19 07:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2023-11-19 07:38:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:38:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2023-11-19 07:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2023-11-19 07:38:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:38:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2023-11-19 07:38:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2023-11-19 07:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 07:38:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 07:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:38:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2023-11-19 07:38:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2023-11-19 07:38:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:38:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:38:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2023-11-19 07:38:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2023-11-19 07:38:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2023-11-19 07:38:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2023-11-19 07:38:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:38:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:38:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2023-11-19 07:38:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2023-11-19 07:38:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:38:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:38:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:38:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:38:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:38:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:38:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:38:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:38:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2023-11-19 07:38:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2023-11-19 07:38:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:38:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:38:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:38:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:38:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:38:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:38:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2023-11-19 07:38:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2023-11-19 07:38:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:38:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:38:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2023-11-19 07:38:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2023-11-19 07:38:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2023-11-19 07:38:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2023-11-19 07:38:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2023-11-19 07:38:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2023-11-19 07:38:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:38:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:38:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-11-19 07:38:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-11-19 07:38:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:38:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:38:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-11-19 07:38:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-11-19 07:38:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:38:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:38:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:38:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:38:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 07:38:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 07:38:39,304 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:39,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:39,409 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:38:46,900 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:38:47,024 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:47,046 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:47,046 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:47,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:47 BoogieIcfgContainer [2023-11-19 07:38:47,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:47,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:47,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:47,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:47,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:32" (1/3) ... [2023-11-19 07:38:47,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ad125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:47, skipping insertion in model container [2023-11-19 07:38:47,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:37" (2/3) ... [2023-11-19 07:38:47,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ad125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:47, skipping insertion in model container [2023-11-19 07:38:47,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:47" (3/3) ... [2023-11-19 07:38:47,075 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-19 07:38:47,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:47,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:47,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:47,197 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@262db50b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:47,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2357 states, 1692 states have (on average 1.301418439716312) internal successors, (2202), 1710 states have internal predecessors, (2202), 553 states have call successors, (553), 112 states have call predecessors, (553), 111 states have return successors, (546), 541 states have call predecessors, (546), 546 states have call successors, (546) [2023-11-19 07:38:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:38:47,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:47,234 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:47,234 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] === [2023-11-19 07:38:47,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1420221102, now seen corresponding path program 1 times [2023-11-19 07:38:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:47,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081202098] [2023-11-19 07:38:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:38:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:38:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:38:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:38:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:38:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:38:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:38:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:38:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:38:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:38:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:38:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-19 07:38:48,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:48,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081202098] [2023-11-19 07:38:48,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081202098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:48,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:48,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:48,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908194294] [2023-11-19 07:38:48,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:48,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:48,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:48,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:48,701 INFO L87 Difference]: Start difference. First operand has 2357 states, 1692 states have (on average 1.301418439716312) internal successors, (2202), 1710 states have internal predecessors, (2202), 553 states have call successors, (553), 112 states have call predecessors, (553), 111 states have return successors, (546), 541 states have call predecessors, (546), 546 states have call successors, (546) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:38:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:56,921 INFO L93 Difference]: Finished difference Result 7175 states and 10270 transitions. [2023-11-19 07:38:56,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:56,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2023-11-19 07:38:56,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:57,018 INFO L225 Difference]: With dead ends: 7175 [2023-11-19 07:38:57,019 INFO L226 Difference]: Without dead ends: 4833 [2023-11-19 07:38:57,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:57,059 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 4779 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 2756 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5267 SdHoareTripleChecker+Valid, 5431 SdHoareTripleChecker+Invalid, 4407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 2756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:57,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5267 Valid, 5431 Invalid, 4407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1651 Valid, 2756 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-19 07:38:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2023-11-19 07:38:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4603. [2023-11-19 07:38:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4603 states, 3319 states have (on average 1.284423018981621) internal successors, (4263), 3355 states have internal predecessors, (4263), 1064 states have call successors, (1064), 220 states have call predecessors, (1064), 219 states have return successors, (1061), 1051 states have call predecessors, (1061), 1061 states have call successors, (1061) [2023-11-19 07:38:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4603 states and 6388 transitions. [2023-11-19 07:38:57,637 INFO L78 Accepts]: Start accepts. Automaton has 4603 states and 6388 transitions. Word has length 145 [2023-11-19 07:38:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:57,642 INFO L495 AbstractCegarLoop]: Abstraction has 4603 states and 6388 transitions. [2023-11-19 07:38:57,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:38:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 6388 transitions. [2023-11-19 07:38:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 07:38:57,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:57,680 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2023-11-19 07:38:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:57,681 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] === [2023-11-19 07:38:57,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:57,682 INFO L85 PathProgramCache]: Analyzing trace with hash 583481974, now seen corresponding path program 1 times [2023-11-19 07:38:57,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:57,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218175516] [2023-11-19 07:38:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:38:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:38:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:38:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:38:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:38:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:38:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:38:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:38:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:38:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:38:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:38:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:38:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-19 07:38:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-19 07:38:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-19 07:38:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 07:38:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 07:38:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-19 07:38:58,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:58,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218175516] [2023-11-19 07:38:58,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218175516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:58,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:58,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:58,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807338443] [2023-11-19 07:38:58,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:58,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:58,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:58,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:58,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:58,644 INFO L87 Difference]: Start difference. First operand 4603 states and 6388 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 07:39:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:07,619 INFO L93 Difference]: Finished difference Result 9545 states and 13338 transitions. [2023-11-19 07:39:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:39:07,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 197 [2023-11-19 07:39:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:07,693 INFO L225 Difference]: With dead ends: 9545 [2023-11-19 07:39:07,694 INFO L226 Difference]: Without dead ends: 7220 [2023-11-19 07:39:07,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:39:07,714 INFO L413 NwaCegarLoop]: 4375 mSDtfsCounter, 3743 mSDsluCounter, 4367 mSDsCounter, 0 mSdLazyCounter, 4104 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 4996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 4104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:07,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 8742 Invalid, 4996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [892 Valid, 4104 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-19 07:39:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2023-11-19 07:39:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 6865. [2023-11-19 07:39:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 states, 4954 states have (on average 1.2852240613645538) internal successors, (6367), 5007 states have internal predecessors, (6367), 1582 states have call successors, (1582), 329 states have call predecessors, (1582), 328 states have return successors, (1579), 1564 states have call predecessors, (1579), 1579 states have call successors, (1579) [2023-11-19 07:39:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9528 transitions. [2023-11-19 07:39:08,134 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9528 transitions. Word has length 197 [2023-11-19 07:39:08,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:08,136 INFO L495 AbstractCegarLoop]: Abstraction has 6865 states and 9528 transitions. [2023-11-19 07:39:08,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 07:39:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9528 transitions. [2023-11-19 07:39:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 07:39:08,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:08,149 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 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] [2023-11-19 07:39:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:39:08,150 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] === [2023-11-19 07:39:08,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1006183800, now seen corresponding path program 1 times [2023-11-19 07:39:08,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:08,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056086601] [2023-11-19 07:39:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:39:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:39:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:39:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:39:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:39:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:39:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:39:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:39:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:39:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:39:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:39:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-19 07:39:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:39:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:39:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-19 07:39:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-19 07:39:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-19 07:39:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 07:39:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 07:39:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2023-11-19 07:39:09,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:09,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056086601] [2023-11-19 07:39:09,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056086601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:09,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:09,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:09,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410929941] [2023-11-19 07:39:09,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:09,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:09,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:09,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:09,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:09,410 INFO L87 Difference]: Start difference. First operand 6865 states and 9528 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)