./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:23,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:23,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:23,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:23,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:23,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:23,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:23,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:23,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:23,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:23,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:23,576 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:23,576 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:23,577 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:23,578 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:23,578 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:23,579 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:23,580 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:23,580 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:23,581 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:23,582 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:23,583 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:23,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:23,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:23,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:23,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:23,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:23,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:23,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:23,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:23,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:23,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:23,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:23,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:23,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:23,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:23,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:23,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:23,592 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:23,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:23,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:23,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:23,594 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:23,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:23,595 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2023-11-23 21:27:23,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:23,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:23,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:23,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:23,887 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:23,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:27:27,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:28,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:28,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:27:28,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/data/b7ca33474/6371855ccbfe4963980220560261fd88/FLAG786f0a988 [2023-11-23 21:27:28,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/data/b7ca33474/6371855ccbfe4963980220560261fd88 [2023-11-23 21:27:28,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:28,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:28,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:28,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:28,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:28,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:28" (1/1) ... [2023-11-23 21:27:28,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed1aa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:28, skipping insertion in model container [2023-11-23 21:27:28,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:28" (1/1) ... [2023-11-23 21:27:28,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:31,962 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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-23 21:27:31,967 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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-23 21:27:32,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:32,074 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:32,220 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] [2023-11-23 21:27:32,223 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] [2023-11-23 21:27:32,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2023-11-23 21:27:32,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5391-5392] [2023-11-23 21:27:32,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5397-5399] [2023-11-23 21:27:32,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2023-11-23 21:27:32,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2023-11-23 21:27:32,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2023-11-23 21:27:32,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5632-5633] [2023-11-23 21:27:32,244 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] [2023-11-23 21:27:32,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5707-5708] [2023-11-23 21:27:32,250 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] [2023-11-23 21:27:32,252 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] [2023-11-23 21:27:32,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5810-5811] [2023-11-23 21:27:32,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2023-11-23 21:27:32,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2023-11-23 21:27:32,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2023-11-23 21:27:32,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2023-11-23 21:27:32,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2023-11-23 21:27:32,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2023-11-23 21:27:32,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2023-11-23 21:27:32,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-23 21:27:32,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2023-11-23 21:27:32,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-11-23 21:27:32,588 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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-23 21:27:32,589 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_6d6e1ecf-adcf-4645-b400-2ddf71eda330/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-23 21:27:32,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:32,808 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:32,808 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:32,815 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:32,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32 WrapperNode [2023-11-23 21:27:32,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:32,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:32,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:32,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:32,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:32,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,324 INFO L138 Inliner]: procedures = 430, calls = 2224, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5993 [2023-11-23 21:27:33,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:33,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:33,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:33,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:33,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:33,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:33,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:33,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:33,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (1/1) ... [2023-11-23 21:27:33,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:33,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:33,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:33,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d6e1ecf-adcf-4645-b400-2ddf71eda330/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:27:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-23 21:27:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-23 21:27:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-23 21:27:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-23 21:27:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:27:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:27:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:27:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:27:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-23 21:27:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-23 21:27:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-23 21:27:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-23 21:27:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-23 21:27:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-23 21:27:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:27:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:27:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-23 21:27:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-23 21:27:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:27:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:27:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:27:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:27:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-23 21:27:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-23 21:27:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-23 21:27:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-23 21:27:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:27:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:27:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-23 21:27:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-23 21:27:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-23 21:27:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-23 21:27:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:27:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:27:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-23 21:27:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-23 21:27:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:27:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:27:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:27:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:27:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:27:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:27:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:27:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:27:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:27:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-23 21:27:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-23 21:27:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:27:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:27:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:27:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:27:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:27:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:27:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:27:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:27:33,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:27:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:27:33,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:27:33,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:27:33,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:27:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:27:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:27:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:27:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:27:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:27:33,796 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:27:33,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:27:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:27:33,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:27:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:27:33,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:27:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:27:33,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:27:33,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:27:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:27:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:27:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:27:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-23 21:27:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-23 21:27:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-23 21:27:33,799 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-23 21:27:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-23 21:27:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-23 21:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:27:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-23 21:27:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-23 21:27:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:27:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:27:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:27:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:27:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:27:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:27:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:27:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:27:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:27:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:27:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:27:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:27:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:27:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:27:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:27:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:27:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:27:33,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:27:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:27:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:27:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:27:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-23 21:27:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-23 21:27:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-23 21:27:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-23 21:27:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:27:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:27:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:27:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-23 21:27:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-23 21:27:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:27:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:27:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:27:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:27:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:27:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:27:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:27:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:27:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:27:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:27:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:27:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:27:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:27:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:27:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:27:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:27:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:27:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:27:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:27:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:27:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:27:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:27:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:27:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-23 21:27:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-23 21:27:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:27:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:27:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:27:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:27:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:27:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-23 21:27:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-23 21:27:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:27:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:27:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:27:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:27:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:27:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:27:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-23 21:27:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-23 21:27:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-23 21:27:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-23 21:27:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:27:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:27:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:27:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:27:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-23 21:27:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-23 21:27:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:27:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:27:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:27:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:27:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:27:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:27:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:27:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:27:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:27:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-23 21:27:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-23 21:27:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:27:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:27:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:27:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:27:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:27:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:27:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:27:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:27:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-23 21:27:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-23 21:27:34,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:34,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:35,696 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:27:40,622 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:44,853 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:44,853 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:44,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:44 BoogieIcfgContainer [2023-11-23 21:27:44,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:44,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:44,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:44,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:44,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:28" (1/3) ... [2023-11-23 21:27:44,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771ae979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:44, skipping insertion in model container [2023-11-23 21:27:44,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:32" (2/3) ... [2023-11-23 21:27:44,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771ae979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:44, skipping insertion in model container [2023-11-23 21:27:44,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:44" (3/3) ... [2023-11-23 21:27:44,872 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:27:44,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:44,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:27:45,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:45,030 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=FINITE_AUTOMATA, 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;@6cfd285a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:45,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:27:45,047 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) [2023-11-23 21:27:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:27:45,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:45,088 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] [2023-11-23 21:27:45,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:45,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1599183972, now seen corresponding path program 1 times [2023-11-23 21:27:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:45,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227138198] [2023-11-23 21:27:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:45,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 21:27:46,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:46,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227138198] [2023-11-23 21:27:46,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227138198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:46,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:46,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:46,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084910892] [2023-11-23 21:27:46,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:46,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:27:46,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:27:46,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:27:46,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:46,111 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 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:27:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:48,562 INFO L93 Difference]: Finished difference Result 3269 states and 4847 transitions. [2023-11-23 21:27:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:27:48,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 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 [2023-11-23 21:27:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:48,600 INFO L225 Difference]: With dead ends: 3269 [2023-11-23 21:27:48,601 INFO L226 Difference]: Without dead ends: 1478 [2023-11-23 21:27:48,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:27:48,741 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:48,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2129 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:27:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2023-11-23 21:27:48,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2023-11-23 21:27:48,976 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) [2023-11-23 21:27:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2157 transitions. [2023-11-23 21:27:49,014 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2157 transitions. Word has length 97 [2023-11-23 21:27:49,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:49,018 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 2157 transitions. [2023-11-23 21:27:49,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:27:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2157 transitions. [2023-11-23 21:27:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 21:27:49,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:49,031 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] [2023-11-23 21:27:49,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:27:49,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:49,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:49,033 INFO L85 PathProgramCache]: Analyzing trace with hash 162970226, now seen corresponding path program 1 times [2023-11-23 21:27:49,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:49,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439134679] [2023-11-23 21:27:49,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 21:27:49,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439134679] [2023-11-23 21:27:49,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439134679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:49,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:49,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:27:49,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833766548] [2023-11-23 21:27:49,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:49,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:27:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:27:49,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:27:49,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:49,890 INFO L87 Difference]: Start difference. First operand 1478 states and 2157 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:27:52,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:53,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:27:57,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:57,615 INFO L93 Difference]: Finished difference Result 3245 states and 4775 transitions. [2023-11-23 21:27:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:27:57,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-23 21:27:57,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:57,637 INFO L225 Difference]: With dead ends: 3245 [2023-11-23 21:27:57,638 INFO L226 Difference]: Without dead ends: 1784 [2023-11-23 21:27:57,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:57,651 INFO L413 NwaCegarLoop]: 1884 mSDtfsCounter, 262 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:57,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 7532 Invalid, 1093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 21:27:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-11-23 21:27:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1482. [2023-11-23 21:27:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 859 states have (on average 1.270081490104773) internal successors, (1091), 899 states have internal predecessors, (1091), 535 states have call successors, (535), 86 states have call predecessors, (535), 87 states have return successors, (536), 524 states have call predecessors, (536), 534 states have call successors, (536) [2023-11-23 21:27:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 2162 transitions. [2023-11-23 21:27:57,775 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 2162 transitions. Word has length 98 [2023-11-23 21:27:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:57,776 INFO L495 AbstractCegarLoop]: Abstraction has 1482 states and 2162 transitions. [2023-11-23 21:27:57,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:27:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2162 transitions. [2023-11-23 21:27:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 21:27:57,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:57,780 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] [2023-11-23 21:27:57,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:27:57,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:27:57,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:57,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1730398258, now seen corresponding path program 1 times [2023-11-23 21:27:57,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:57,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109012186] [2023-11-23 21:27:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:57,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 21:28:01,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109012186] [2023-11-23 21:28:01,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109012186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:01,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:01,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:28:01,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293629635] [2023-11-23 21:28:01,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:01,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:28:01,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:01,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:28:01,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:28:01,544 INFO L87 Difference]: Start difference. First operand 1482 states and 2162 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:28:04,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:28:06,920 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 []