./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx --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 e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:00,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:00,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:12:00,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:00,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:00,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:00,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:00,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:00,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:00,802 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:00,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:00,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:00,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:00,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:00,807 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:00,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:00,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:00,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:00,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:00,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:00,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:00,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:00,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:00,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:00,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:00,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:00,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:00,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:00,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:00,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:00,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:00,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:00,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:00,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:00,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:00,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:00,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:00,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:00,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:00,833 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2023-11-21 22:12:01,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:01,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:01,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:01,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:01,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:01,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-21 22:12:04,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:05,162 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:05,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-21 22:12:05,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/data/7cc85ca99/35ab43cd8aea425788c7fc9b4f1e10c6/FLAGc1887a6ee [2023-11-21 22:12:05,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/data/7cc85ca99/35ab43cd8aea425788c7fc9b4f1e10c6 [2023-11-21 22:12:05,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:05,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:05,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:05,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:05,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:05,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:05" (1/1) ... [2023-11-21 22:12:05,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366c8d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:05, skipping insertion in model container [2023-11-21 22:12:05,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:05" (1/1) ... [2023-11-21 22:12:05,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:08,768 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-21 22:12:08,771 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-21 22:12:08,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:08,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:08,988 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"); [5322] [2023-11-21 22:12:08,990 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)); [5329] [2023-11-21 22:12:08,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2023-11-21 22:12:08,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5391-5392] [2023-11-21 22:12:08,996 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"); [5397-5399] [2023-11-21 22:12:09,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2023-11-21 22:12:09,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2023-11-21 22:12:09,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2023-11-21 22:12:09,009 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)); [5632-5633] [2023-11-21 22:12:09,011 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)); [5666-5667] [2023-11-21 22:12:09,016 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)); [5707-5708] [2023-11-21 22:12:09,017 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)); [5736-5737] [2023-11-21 22:12:09,019 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)); [5773-5774] [2023-11-21 22:12:09,021 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)); [5810-5811] [2023-11-21 22:12:09,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2023-11-21 22:12:09,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2023-11-21 22:12:09,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2023-11-21 22:12:09,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2023-11-21 22:12:09,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2023-11-21 22:12:09,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2023-11-21 22:12:09,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2023-11-21 22:12:09,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-21 22:12:09,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2023-11-21 22:12:09,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-11-21 22:12:09,304 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-21 22:12:09,305 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_4f5a6829-b8e9-4dff-857f-6489fee3b785/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-21 22:12:09,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:09,573 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:12:09,574 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:12:09,582 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:09,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09 WrapperNode [2023-11-21 22:12:09,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:09,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:09,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:09,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:09,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:09,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:09,975 INFO L138 Inliner]: procedures = 430, calls = 2224, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5993 [2023-11-21 22:12:09,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:09,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:09,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:09,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:09,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:09,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:10,028 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,473 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_strcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:12:11,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:11,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:11,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:11,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:11,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (1/1) ... [2023-11-21 22:12:11,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:11,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:11,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:11,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a6829-b8e9-4dff-857f-6489fee3b785/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 22:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-21 22:12:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-21 22:12:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-21 22:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-21 22:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-21 22:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-21 22:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-21 22:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-21 22:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-21 22:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-21 22:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-21 22:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-21 22:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:12:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:12:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:12:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-21 22:12:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-21 22:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-21 22:12:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-21 22:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:12:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:12:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-21 22:12:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-21 22:12:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-21 22:12:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-21 22:12:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-21 22:12:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-21 22:12:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-21 22:12:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-21 22:12:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-21 22:12:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-21 22:12:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:12:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:12:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 22:12:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 22:12:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-21 22:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-21 22:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:12:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:12:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:12:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:12:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-21 22:12:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-21 22:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:12:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:12:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:12:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:12:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:12:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-21 22:12:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-21 22:12:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:12:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:12:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:12:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:12:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-21 22:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-21 22:12:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-21 22:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-21 22:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-21 22:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-21 22:12:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-21 22:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-21 22:12:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-21 22:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-21 22:12:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:12:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:12:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:12:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:12:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:12:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:12:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:12:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:12:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:12:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:12:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 22:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 22:12:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:12:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:12:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:12:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:12:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 22:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 22:12:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-21 22:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-21 22:12:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-21 22:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-21 22:12:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:12:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:12:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:12:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-21 22:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-21 22:12:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:12:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:12:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 22:12:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 22:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:12:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:12:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:12:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:12:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:12:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-21 22:12:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-21 22:12:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 22:12:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 22:12:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-21 22:12:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 22:12:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-21 22:12:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:12:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:12:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:12:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:12:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:12:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-21 22:12:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-21 22:12:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:12:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:12:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:12:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:12:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:12:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:12:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-21 22:12:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-21 22:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-21 22:12:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-21 22:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 22:12:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 22:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:12:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:12:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-21 22:12:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-21 22:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:12:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:12:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:12:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:12:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:12:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-21 22:12:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-21 22:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:12:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:12:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-21 22:12:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-21 22:12:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:12:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:12:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-21 22:12:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-21 22:12:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-21 22:12:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-21 22:12:12,806 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:12,810 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:13,578 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:12:20,851 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:27,187 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:27,188 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:27,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:27 BoogieIcfgContainer [2023-11-21 22:12:27,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:27,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:27,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:27,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:27,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:05" (1/3) ... [2023-11-21 22:12:27,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d06712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:27, skipping insertion in model container [2023-11-21 22:12:27,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:09" (2/3) ... [2023-11-21 22:12:27,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d06712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:27, skipping insertion in model container [2023-11-21 22:12:27,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:27" (3/3) ... [2023-11-21 22:12:27,203 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-21 22:12:27,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:27,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:27,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:27,348 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;@227fab46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:27,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 1646 states, 949 states have (on average 1.285563751317176) internal successors, (1220), 992 states have internal predecessors, (1220), 607 states have call successors, (607), 89 states have call predecessors, (607), 88 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-21 22:12:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 22:12:27,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:27,399 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-21 22:12:27,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:27,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1599183972, now seen corresponding path program 1 times [2023-11-21 22:12:27,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:27,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763483955] [2023-11-21 22:12:27,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:27,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:12:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:12:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:12:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:12:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:12:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-21 22:12:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:12:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 22:12:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:12:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 22:12:28,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:28,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763483955] [2023-11-21 22:12:28,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763483955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:28,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:28,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:12:28,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866549012] [2023-11-21 22:12:28,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:28,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:12:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:28,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:12:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:12:28,594 INFO L87 Difference]: Start difference. First operand has 1646 states, 949 states have (on average 1.285563751317176) internal successors, (1220), 992 states have internal predecessors, (1220), 607 states have call successors, (607), 89 states have call predecessors, (607), 88 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-21 22:12:31,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:33,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:35,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:42,078 INFO L93 Difference]: Finished difference Result 3372 states and 5015 transitions. [2023-11-21 22:12:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:12:42,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2023-11-21 22:12:42,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:42,157 INFO L225 Difference]: With dead ends: 3372 [2023-11-21 22:12:42,158 INFO L226 Difference]: Without dead ends: 1581 [2023-11-21 22:12:42,187 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 [2023-11-21 22:12:42,192 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 915 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1523 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 2407 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1523 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:42,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 2407 Invalid, 4104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1523 Valid, 2580 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2023-11-21 22:12:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2023-11-21 22:12:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1478. [2023-11-21 22:12:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 856 states have (on average 1.2710280373831775) internal successors, (1088), 896 states have internal predecessors, (1088), 535 states have call successors, (535), 86 states have call predecessors, (535), 86 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2023-11-21 22:12:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2157 transitions. [2023-11-21 22:12:42,529 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2157 transitions. Word has length 97 [2023-11-21 22:12:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:42,532 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 2157 transitions. [2023-11-21 22:12:42,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-21 22:12:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2157 transitions. [2023-11-21 22:12:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-21 22:12:42,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:42,543 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-21 22:12:42,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:42,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:42,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:42,545 INFO L85 PathProgramCache]: Analyzing trace with hash 162970226, now seen corresponding path program 1 times [2023-11-21 22:12:42,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:42,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969647049] [2023-11-21 22:12:42,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:42,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:12:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:12:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-21 22:12:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:12:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:12:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:12:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:12:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:12:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-21 22:12:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:12:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 22:12:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-21 22:12:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 22:12:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:43,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969647049] [2023-11-21 22:12:43,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969647049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:43,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:43,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:12:43,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430016234] [2023-11-21 22:12:43,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:43,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:12:43,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:43,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:12:43,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:12:43,432 INFO L87 Difference]: Start difference. First operand 1478 states and 2157 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-21 22:12:47,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []