./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/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_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:15:48,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:48,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:48,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:48,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:48,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:48,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:48,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:48,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:48,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:48,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:48,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:48,161 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:48,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:48,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:48,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:48,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:48,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:48,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:48,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:48,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:48,166 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:48,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:48,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:48,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:48,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:48,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:48,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:48,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:48,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:48,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:48,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:48,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:48,171 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:48,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:48,171 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:48,171 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_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2023-11-12 02:15:48,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:48,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:48,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:48,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:48,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:48,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-12 02:15:51,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:52,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:52,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-12 02:15:52,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/data/e702397fc/45a413a1569e44e0825ba14c0fdae51a/FLAG0e65203c5 [2023-11-12 02:15:52,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/data/e702397fc/45a413a1569e44e0825ba14c0fdae51a [2023-11-12 02:15:52,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:52,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:52,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:52,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:52,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:52,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:52,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663e4444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:52, skipping insertion in model container [2023-11-12 02:15:52,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:52" (1/1) ... [2023-11-12 02:15:52,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:55,977 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_860d9086-17c8-47ee-a88b-16b35cf1c5df/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-12 02:15:56,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:56,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:56,225 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] [2023-11-12 02:15:56,227 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] [2023-11-12 02:15:56,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5547] [2023-11-12 02:15:56,229 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] [2023-11-12 02:15:56,229 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] [2023-11-12 02:15:56,230 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] [2023-11-12 02:15:56,231 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] [2023-11-12 02:15:56,232 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] [2023-11-12 02:15:56,232 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] [2023-11-12 02:15:56,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5695] [2023-11-12 02:15:56,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5841] [2023-11-12 02:15:56,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5848] [2023-11-12 02:15:56,247 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] [2023-11-12 02:15:56,249 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] [2023-11-12 02:15:56,259 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] [2023-11-12 02:15:56,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6349-6350] [2023-11-12 02:15:56,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6356] [2023-11-12 02:15:56,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2023-11-12 02:15:56,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7673] [2023-11-12 02:15:56,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2023-11-12 02:15:56,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7778] [2023-11-12 02:15:56,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7802] [2023-11-12 02:15:56,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7823] [2023-11-12 02:15:56,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7911] [2023-11-12 02:15:56,346 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] [2023-11-12 02:15:56,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7955] [2023-11-12 02:15:56,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7985] [2023-11-12 02:15:56,350 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] [2023-11-12 02:15:56,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8292] [2023-11-12 02:15:56,611 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_860d9086-17c8-47ee-a88b-16b35cf1c5df/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-12 02:15:56,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:56,929 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:56,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56 WrapperNode [2023-11-12 02:15:56,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:56,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:56,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:56,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:56,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,376 INFO L138 Inliner]: procedures = 426, calls = 2261, calls flagged for inlining = 259, calls inlined = 248, statements flattened = 6534 [2023-11-12 02:15:57,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:57,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:57,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:57,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:57,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:57,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:57,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:57,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:57,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (1/1) ... [2023-11-12 02:15:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:57,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:57,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_860d9086-17c8-47ee-a88b-16b35cf1c5df/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:15:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:15:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:15:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:15:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:15:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-11-12 02:15:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-11-12 02:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 02:15:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 02:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:15:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:15:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2023-11-12 02:15:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2023-11-12 02:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2023-11-12 02:15:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2023-11-12 02:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 02:15:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 02:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:15:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2023-11-12 02:15:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2023-11-12 02:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 02:15:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 02:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:15:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:15:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:15:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:15:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 02:15:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 02:15:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:15:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2023-11-12 02:15:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2023-11-12 02:15:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:15:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 02:15:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 02:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:15:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 02:15:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 02:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-11-12 02:15:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-11-12 02:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:15:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:15:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 02:15:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 02:15:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:15:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:15:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:15:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:15:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:15:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2023-11-12 02:15:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2023-11-12 02:15:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:15:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:15:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 02:15:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 02:15:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:15:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:15:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2023-11-12 02:15:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2023-11-12 02:15:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:15:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:15:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2023-11-12 02:15:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2023-11-12 02:15:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2023-11-12 02:15:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2023-11-12 02:15:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:15:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:15:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:15:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:15:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 02:15:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 02:15:57,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-11-12 02:15:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-11-12 02:15:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2023-11-12 02:15:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2023-11-12 02:15:57,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:15:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:15:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:15:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:15:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2023-11-12 02:15:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2023-11-12 02:15:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:15:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:15:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-12 02:15:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-12 02:15:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:15:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:15:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:15:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:15:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:15:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:15:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-11-12 02:15:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-11-12 02:15:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 02:15:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 02:15:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:15:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:15:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-12 02:15:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-12 02:15:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:15:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:15:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:15:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:15:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-12 02:15:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-12 02:15:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2023-11-12 02:15:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2023-11-12 02:15:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:15:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:15:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2023-11-12 02:15:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2023-11-12 02:15:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:15:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:15:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2023-11-12 02:15:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2023-11-12 02:15:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2023-11-12 02:15:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2023-11-12 02:15:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:15:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:15:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2023-11-12 02:15:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2023-11-12 02:15:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2023-11-12 02:15:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2023-11-12 02:15:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2023-11-12 02:15:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2023-11-12 02:15:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2023-11-12 02:15:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2023-11-12 02:15:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2023-11-12 02:15:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2023-11-12 02:15:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2023-11-12 02:15:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2023-11-12 02:15:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2023-11-12 02:15:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2023-11-12 02:15:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:15:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:15:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:15:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:15:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2023-11-12 02:15:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2023-11-12 02:15:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-12 02:15:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-12 02:15:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 02:15:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 02:15:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:15:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:15:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2023-11-12 02:15:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2023-11-12 02:15:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2023-11-12 02:15:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2023-11-12 02:15:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2023-11-12 02:15:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2023-11-12 02:15:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2023-11-12 02:15:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2023-11-12 02:15:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:15:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:15:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2023-11-12 02:15:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2023-11-12 02:15:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 02:15:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 02:15:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:15:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:15:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2023-11-12 02:15:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2023-11-12 02:15:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:15:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:15:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2023-11-12 02:15:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2023-11-12 02:15:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2023-11-12 02:15:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2023-11-12 02:15:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:15:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:15:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2023-11-12 02:15:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2023-11-12 02:15:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:15:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:15:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:15:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:15:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:15:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:15:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:15:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:15:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2023-11-12 02:15:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2023-11-12 02:15:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:15:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:15:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:15:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:15:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:15:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:15:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2023-11-12 02:15:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2023-11-12 02:15:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 02:15:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 02:15:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2023-11-12 02:15:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2023-11-12 02:15:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2023-11-12 02:15:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2023-11-12 02:15:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2023-11-12 02:15:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2023-11-12 02:15:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:15:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:15:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-11-12 02:15:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-11-12 02:15:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:15:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:15:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-11-12 02:15:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-11-12 02:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 02:15:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 02:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:15:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 02:15:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 02:15:59,040 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:59,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:59,136 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:16:07,265 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:16:07,398 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:07,428 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:07,428 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:16:07,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:07 BoogieIcfgContainer [2023-11-12 02:16:07,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:07,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:07,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:07,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:07,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:52" (1/3) ... [2023-11-12 02:16:07,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3a1fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:07, skipping insertion in model container [2023-11-12 02:16:07,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:56" (2/3) ... [2023-11-12 02:16:07,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3a1fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:07, skipping insertion in model container [2023-11-12 02:16:07,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:07" (3/3) ... [2023-11-12 02:16:07,449 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-12 02:16:07,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:07,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:16:07,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:07,584 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;@7d6f6926, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:07,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:16:07,598 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) [2023-11-12 02:16:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-12 02:16:07,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:07,620 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] [2023-11-12 02:16:07,620 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] === [2023-11-12 02:16:07,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:07,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1420221102, now seen corresponding path program 1 times [2023-11-12 02:16:07,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:07,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605543853] [2023-11-12 02:16:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:16:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:16:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:16:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:16:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:16:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:16:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:16:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:16:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:16:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:16:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-12 02:16:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:16:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-12 02:16:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:09,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605543853] [2023-11-12 02:16:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605543853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:09,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:09,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:16:09,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879598049] [2023-11-12 02:16:09,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:09,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:09,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:09,066 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) [2023-11-12 02:16:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:17,083 INFO L93 Difference]: Finished difference Result 7175 states and 10270 transitions. [2023-11-12 02:16:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:16:17,086 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 [2023-11-12 02:16:17,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:17,162 INFO L225 Difference]: With dead ends: 7175 [2023-11-12 02:16:17,162 INFO L226 Difference]: Without dead ends: 4833 [2023-11-12 02:16:17,186 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 [2023-11-12 02:16:17,190 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4788 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 1656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5276 SdHoareTripleChecker+Valid, 5434 SdHoareTripleChecker+Invalid, 4410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1656 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:17,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5276 Valid, 5434 Invalid, 4410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1656 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-12 02:16:17,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2023-11-12 02:16:17,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4603. [2023-11-12 02:16:17,608 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) [2023-11-12 02:16:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4603 states and 6388 transitions. [2023-11-12 02:16:17,654 INFO L78 Accepts]: Start accepts. Automaton has 4603 states and 6388 transitions. Word has length 145 [2023-11-12 02:16:17,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:17,658 INFO L495 AbstractCegarLoop]: Abstraction has 4603 states and 6388 transitions. [2023-11-12 02:16:17,658 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) [2023-11-12 02:16:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 6388 transitions. [2023-11-12 02:16:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 02:16:17,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:17,678 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] [2023-11-12 02:16:17,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:17,678 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] === [2023-11-12 02:16:17,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:17,679 INFO L85 PathProgramCache]: Analyzing trace with hash 583481974, now seen corresponding path program 1 times [2023-11-12 02:16:17,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:17,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958332722] [2023-11-12 02:16:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:17,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:16:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:16:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:16:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:16:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:16:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:16:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:16:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:16:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:16:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:16:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-12 02:16:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-12 02:16:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-12 02:16:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:16:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-12 02:16:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-12 02:16:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-12 02:16:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-12 02:16:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-12 02:16:18,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:18,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958332722] [2023-11-12 02:16:18,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958332722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:18,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:18,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:16:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010230294] [2023-11-12 02:16:18,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:18,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:18,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:18,604 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) [2023-11-12 02:16:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:26,741 INFO L93 Difference]: Finished difference Result 9545 states and 13338 transitions. [2023-11-12 02:16:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:16:26,742 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 [2023-11-12 02:16:26,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:26,816 INFO L225 Difference]: With dead ends: 9545 [2023-11-12 02:16:26,816 INFO L226 Difference]: Without dead ends: 7220 [2023-11-12 02:16:26,836 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 [2023-11-12 02:16:26,838 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 3743 mSDsluCounter, 4363 mSDsCounter, 0 mSdLazyCounter, 4104 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 8736 SdHoareTripleChecker+Invalid, 4996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 4104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:26,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 8736 Invalid, 4996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [892 Valid, 4104 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-12 02:16:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2023-11-12 02:16:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 6865. [2023-11-12 02:16:27,222 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) [2023-11-12 02:16:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9528 transitions. [2023-11-12 02:16:27,267 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9528 transitions. Word has length 197 [2023-11-12 02:16:27,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:27,268 INFO L495 AbstractCegarLoop]: Abstraction has 6865 states and 9528 transitions. [2023-11-12 02:16:27,269 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) [2023-11-12 02:16:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9528 transitions. [2023-11-12 02:16:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 02:16:27,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:27,285 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] [2023-11-12 02:16:27,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:16:27,285 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] === [2023-11-12 02:16:27,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1006183800, now seen corresponding path program 1 times [2023-11-12 02:16:27,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:27,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787214596] [2023-11-12 02:16:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:16:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:16:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:16:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:16:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:16:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:16:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:16:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:16:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:16:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:16:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-12 02:16:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-12 02:16:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-12 02:16:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:16:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-12 02:16:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:16:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-12 02:16:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-12 02:16:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-12 02:16:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2023-11-12 02:16:28,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787214596] [2023-11-12 02:16:28,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787214596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:28,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:28,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:16:28,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510843403] [2023-11-12 02:16:28,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:28,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:16:28,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:28,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:16:28,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:16:28,767 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)