./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.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_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/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_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/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_a875b108-a355-4a95-b6fc-7d9cd4c74133/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 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:24:50,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:24:50,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:24:50,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:24:50,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:24:50,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:24:50,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:24:50,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:24:50,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:24:50,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:24:50,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:24:50,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:24:50,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:24:50,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:24:50,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:24:50,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:24:50,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:24:50,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:24:50,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:24:50,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:24:50,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:24:50,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:24:50,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:24:50,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:24:50,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:24:50,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:50,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:24:50,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:24:50,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:24:50,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:24:50,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:24:50,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:24:50,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:24:50,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:24:50,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:24:50,798 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:24:50,799 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 [2023-11-12 02:24:51,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:24:51,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:24:51,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:24:51,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:24:51,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:24:51,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:24:54,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:24:55,023 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:24:55,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:24:55,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/data/51ad527e3/1db9943c199e400fb70a98824b6d5cf3/FLAG9718ff84b [2023-11-12 02:24:55,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/data/51ad527e3/1db9943c199e400fb70a98824b6d5cf3 [2023-11-12 02:24:55,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:24:55,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:24:55,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:55,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:24:55,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:24:55,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:55" (1/1) ... [2023-11-12 02:24:55,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7443c0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:55, skipping insertion in model container [2023-11-12 02:24:55,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:55" (1/1) ... [2023-11-12 02:24:55,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:24:57,987 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-12 02:24:57,994 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-12 02:24:57,998 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-12 02:24:57,999 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-12 02:24:58,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:58,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:24:58,242 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"); [5301] [2023-11-12 02:24:58,245 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)); [5308] [2023-11-12 02:24:58,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5315] [2023-11-12 02:24:58,248 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5370-5371] [2023-11-12 02:24:58,249 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"); [5376-5378] [2023-11-12 02:24:58,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5454] [2023-11-12 02:24:58,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2023-11-12 02:24:58,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5469] [2023-11-12 02:24:58,266 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)); [5597-5598] [2023-11-12 02:24:58,277 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)); [5631-5632] [2023-11-12 02:24:58,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5672-5673] [2023-11-12 02:24:58,280 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" (91), "i" (12UL)); [5701-5702] [2023-11-12 02:24:58,282 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" (103), "i" (12UL)); [5738-5739] [2023-11-12 02:24:58,283 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" (115), "i" (12UL)); [5775-5776] [2023-11-12 02:24:58,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6721] [2023-11-12 02:24:58,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7492] [2023-11-12 02:24:58,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7502] [2023-11-12 02:24:58,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7517] [2023-11-12 02:24:58,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8303] [2023-11-12 02:24:58,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8336] [2023-11-12 02:24:58,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8359] [2023-11-12 02:24:58,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8600] [2023-11-12 02:24:58,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8630] [2023-11-12 02:24:58,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8643] [2023-11-12 02:24:58,620 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-12 02:24:58,621 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-12 02:24:58,622 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-12 02:24:58,622 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_a875b108-a355-4a95-b6fc-7d9cd4c74133/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-12 02:24:58,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:58,860 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:24:58,860 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:24:58,868 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:24:58,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58 WrapperNode [2023-11-12 02:24:58,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:58,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:58,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:24:58,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:24:58,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,260 INFO L138 Inliner]: procedures = 352, calls = 1994, calls flagged for inlining = 207, calls inlined = 201, statements flattened = 6121 [2023-11-12 02:24:59,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:59,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:24:59,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:24:59,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:24:59,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:24:59,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:24:59,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:24:59,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:24:59,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (1/1) ... [2023-11-12 02:24:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:59,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:24:59,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a875b108-a355-4a95-b6fc-7d9cd4c74133/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:24:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-12 02:24:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-12 02:24:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 02:24:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 02:24:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 02:24:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-12 02:24:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-12 02:24:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:24:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-12 02:24:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-12 02:24:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 02:24:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 02:24:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:24:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:24:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:24:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:24:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:24:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:24:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:24:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:24:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:24:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-12 02:24:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-12 02:24:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-12 02:24:59,841 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-12 02:24:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-12 02:24:59,841 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-12 02:24:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:24:59,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:24:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-12 02:24:59,842 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-12 02:24:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:24:59,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:24:59,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:24:59,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:24:59,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:24:59,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:24:59,843 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:24:59,843 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:24:59,843 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-12 02:24:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-12 02:24:59,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:24:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:24:59,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:24:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:24:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:24:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:24:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 02:24:59,846 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 02:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-12 02:24:59,846 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-12 02:24:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 02:24:59,846 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 02:24:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 02:24:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 02:24:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:24:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:24:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-12 02:24:59,848 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-12 02:24:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:24:59,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:24:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:24:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:24:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:24:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:24:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:24:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:24:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:24:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:24:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:24:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:24:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:24:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 02:24:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 02:24:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:24:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:24:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:24:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:24:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:24:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:24:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:24:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:24:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:24:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:24:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:24:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:24:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-12 02:24:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-12 02:24:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:24:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:24:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:24:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:24:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:24:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:24:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 02:24:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 02:24:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:24:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-12 02:24:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-12 02:24:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:24:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:24:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:24:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:24:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:24:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-12 02:24:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-12 02:24:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:24:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:24:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:24:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:24:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:24:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:24:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:24:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-12 02:24:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-12 02:24:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:24:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:24:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:24:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:24:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:24:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:24:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:24:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-12 02:24:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-12 02:24:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-12 02:24:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-12 02:24:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:24:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:24:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:24:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:24:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:24:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:24:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:24:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:24:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:24:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-12 02:24:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-12 02:24:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:24:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:24:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:24:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:24:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:24:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-12 02:24:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-12 02:24:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:24:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:24:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:24:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:24:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:24:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:24:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:24:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:24:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:24:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:24:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:24:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:24:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:24:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:24:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:24:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:24:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:24:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 02:24:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 02:24:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:24:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:24:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 02:24:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 02:24:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:24:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:24:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:24:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:24:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:24:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:24:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:24:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:24:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:24:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 02:24:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 02:24:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-12 02:24:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-12 02:24:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:24:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:24:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 02:24:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 02:24:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:24:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:24:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-12 02:24:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-12 02:25:00,856 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:00,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:01,850 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:25:08,746 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:25:09,118 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:09,148 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:09,149 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:25:09,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:09 BoogieIcfgContainer [2023-11-12 02:25:09,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:09,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:25:09,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:25:09,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:25:09,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:55" (1/3) ... [2023-11-12 02:25:09,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a18e5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:09, skipping insertion in model container [2023-11-12 02:25:09,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:58" (2/3) ... [2023-11-12 02:25:09,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a18e5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:09, skipping insertion in model container [2023-11-12 02:25:09,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:09" (3/3) ... [2023-11-12 02:25:09,169 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:25:09,190 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:25:09,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:25:09,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:09,333 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;@42e33390, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:09,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 02:25:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 2502 states, 1800 states have (on average 1.4072222222222222) internal successors, (2533), 1835 states have internal predecessors, (2533), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-12 02:25:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-12 02:25:09,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:09,389 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:25:09,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:09,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash 934691274, now seen corresponding path program 1 times [2023-11-12 02:25:09,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756417488] [2023-11-12 02:25:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:25:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:25:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:25:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:25:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:25:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:25:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:25:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:25:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:25:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:25:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:25:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756417488] [2023-11-12 02:25:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756417488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:10,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:10,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:10,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362645942] [2023-11-12 02:25:10,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:10,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:10,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:10,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:10,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:10,663 INFO L87 Difference]: Start difference. First operand has 2502 states, 1800 states have (on average 1.4072222222222222) internal successors, (2533), 1835 states have internal predecessors, (2533), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:25:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:19,527 INFO L93 Difference]: Finished difference Result 7414 states and 11376 transitions. [2023-11-12 02:25:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:19,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 115 [2023-11-12 02:25:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:19,604 INFO L225 Difference]: With dead ends: 7414 [2023-11-12 02:25:19,605 INFO L226 Difference]: Without dead ends: 4922 [2023-11-12 02:25:19,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 02:25:19,644 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 4776 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 1650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5340 SdHoareTripleChecker+Valid, 6096 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1650 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:19,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5340 Valid, 6096 Invalid, 4971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1650 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-12 02:25:19,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2023-11-12 02:25:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 4882. [2023-11-12 02:25:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4882 states, 3523 states have (on average 1.382628441669032) internal successors, (4871), 3592 states have internal predecessors, (4871), 1190 states have call successors, (1190), 168 states have call predecessors, (1190), 167 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2023-11-12 02:25:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 7248 transitions. [2023-11-12 02:25:20,193 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 7248 transitions. Word has length 115 [2023-11-12 02:25:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:20,196 INFO L495 AbstractCegarLoop]: Abstraction has 4882 states and 7248 transitions. [2023-11-12 02:25:20,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:25:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 7248 transitions. [2023-11-12 02:25:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 02:25:20,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:20,306 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:25:20,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:25:20,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:20,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:20,309 INFO L85 PathProgramCache]: Analyzing trace with hash -618969512, now seen corresponding path program 1 times [2023-11-12 02:25:20,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:20,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646435265] [2023-11-12 02:25:20,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:20,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:25:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:25:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:25:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:25:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:25:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:25:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:25:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:25:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:25:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:25:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:25:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-12 02:25:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:25:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646435265] [2023-11-12 02:25:21,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646435265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:21,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:21,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:21,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655761231] [2023-11-12 02:25:21,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:21,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:25:21,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:21,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:21,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:21,230 INFO L87 Difference]: Start difference. First operand 4882 states and 7248 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 02:25:32,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:32,471 INFO L93 Difference]: Finished difference Result 11313 states and 16885 transitions. [2023-11-12 02:25:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:25:32,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 148 [2023-11-12 02:25:32,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:32,533 INFO L225 Difference]: With dead ends: 11313 [2023-11-12 02:25:32,533 INFO L226 Difference]: Without dead ends: 6452 [2023-11-12 02:25:32,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:25:32,565 INFO L413 NwaCegarLoop]: 2382 mSDtfsCounter, 5123 mSDsluCounter, 4764 mSDsCounter, 0 mSdLazyCounter, 4694 mSolverCounterSat, 3172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5507 SdHoareTripleChecker+Valid, 7146 SdHoareTripleChecker+Invalid, 7866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3172 IncrementalHoareTripleChecker+Valid, 4694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:32,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5507 Valid, 7146 Invalid, 7866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3172 Valid, 4694 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-12 02:25:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6452 states. [2023-11-12 02:25:32,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6452 to 6140. [2023-11-12 02:25:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6140 states, 4408 states have (on average 1.388157894736842) internal successors, (6119), 4498 states have internal predecessors, (6119), 1520 states have call successors, (1520), 212 states have call predecessors, (1520), 210 states have return successors, (1517), 1487 states have call predecessors, (1517), 1517 states have call successors, (1517) [2023-11-12 02:25:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6140 states to 6140 states and 9156 transitions. [2023-11-12 02:25:32,982 INFO L78 Accepts]: Start accepts. Automaton has 6140 states and 9156 transitions. Word has length 148 [2023-11-12 02:25:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:32,983 INFO L495 AbstractCegarLoop]: Abstraction has 6140 states and 9156 transitions. [2023-11-12 02:25:32,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 02:25:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 6140 states and 9156 transitions. [2023-11-12 02:25:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-12 02:25:32,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:32,991 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:32,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:25:32,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:32,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:32,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1680013134, now seen corresponding path program 1 times [2023-11-12 02:25:32,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:32,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558036394] [2023-11-12 02:25:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:32,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:25:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:25:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:25:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:25:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:25:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:25:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:25:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:25:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:25:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:25:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:25:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:25:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-12 02:25:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-12 02:25:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:25:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-11-12 02:25:33,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:33,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558036394] [2023-11-12 02:25:33,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558036394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:33,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:33,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:33,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257988368] [2023-11-12 02:25:33,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:33,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:33,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:33,481 INFO L87 Difference]: Start difference. First operand 6140 states and 9156 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)