./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 cf1a7837 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_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/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_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:53:39,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:39,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:53:39,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:39,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:40,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:40,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:40,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:40,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:40,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:40,019 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:40,019 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:40,020 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:40,022 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:40,023 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:40,023 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:40,024 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:40,025 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:40,026 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:40,026 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:40,027 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:40,028 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:40,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:40,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:40,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:40,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:40,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:40,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:40,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:40,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:40,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:40,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:40,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:40,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:40,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:40,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:40,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:40,036 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:40,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:40,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:40,037 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:40,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:40,037 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_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2023-11-12 00:53:40,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:40,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:40,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:40,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:40,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:40,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:53:44,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:44,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:44,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:53:45,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/data/5f1dc58a9/5d07a7a8c1984dfcaee5d671bf93c416/FLAG73491402e [2023-11-12 00:53:45,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/data/5f1dc58a9/5d07a7a8c1984dfcaee5d671bf93c416 [2023-11-12 00:53:45,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:45,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:45,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:45,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:45,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:45,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:45" (1/1) ... [2023-11-12 00:53:45,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8193ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:45, skipping insertion in model container [2023-11-12 00:53:45,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:45" (1/1) ... [2023-11-12 00:53:45,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:49,011 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_978587f4-1b74-450e-bd3d-908076f2b3d5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-12 00:53:49,019 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_978587f4-1b74-450e-bd3d-908076f2b3d5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-12 00:53:49,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:49,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:49,298 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] [2023-11-12 00:53:49,301 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] [2023-11-12 00:53:49,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2023-11-12 00:53:49,307 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] [2023-11-12 00:53:49,308 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] [2023-11-12 00:53:49,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2023-11-12 00:53:49,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2023-11-12 00:53:49,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2023-11-12 00:53:49,322 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] [2023-11-12 00:53:49,325 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] [2023-11-12 00:53:49,327 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] [2023-11-12 00:53:49,329 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] [2023-11-12 00:53:49,330 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] [2023-11-12 00:53:49,332 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] [2023-11-12 00:53:49,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2023-11-12 00:53:49,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2023-11-12 00:53:49,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2023-11-12 00:53:49,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2023-11-12 00:53:49,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2023-11-12 00:53:49,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2023-11-12 00:53:49,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2023-11-12 00:53:49,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-12 00:53:49,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2023-11-12 00:53:49,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-11-12 00:53:49,796 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_978587f4-1b74-450e-bd3d-908076f2b3d5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-12 00:53:49,797 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_978587f4-1b74-450e-bd3d-908076f2b3d5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-12 00:53:49,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:50,116 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:50,116 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:53:50,127 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:50,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50 WrapperNode [2023-11-12 00:53:50,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:50,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:50,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:50,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:50,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,635 INFO L138 Inliner]: procedures = 430, calls = 2224, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5993 [2023-11-12 00:53:50,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:50,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:50,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:50,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:50,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:50,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:51,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:51,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:51,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:51,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:51,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:51,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:51,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (1/1) ... [2023-11-12 00:53:51,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:51,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:51,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978587f4-1b74-450e-bd3d-908076f2b3d5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 00:53:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-12 00:53:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-12 00:53:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 00:53:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 00:53:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:53:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:53:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:53:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:53:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-12 00:53:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-12 00:53:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-12 00:53:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-12 00:53:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-12 00:53:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-12 00:53:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:53:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:53:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-12 00:53:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-12 00:53:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:53:51,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:53:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:53:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:53:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-12 00:53:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-12 00:53:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-12 00:53:51,394 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-12 00:53:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:53:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:53:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-12 00:53:51,395 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-12 00:53:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:53:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:53:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-12 00:53:51,396 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-12 00:53:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-12 00:53:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-12 00:53:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 00:53:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 00:53:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:53:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:53:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:53:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:53:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:53:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:53:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:53:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 00:53:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 00:53:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:53:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:53:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:53:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:53:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:53:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:53:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 00:53:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 00:53:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:53:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:53:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:53:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:53:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:53:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:53:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:53:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:53:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:53:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:53:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:53:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:53:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:53:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:53:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:53:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:53:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:53:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:53:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-12 00:53:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-12 00:53:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-12 00:53:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-12 00:53:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-12 00:53:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-12 00:53:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:53:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:53:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-12 00:53:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-12 00:53:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:53:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:53:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:53:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:53:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:53:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:53:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:53:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:53:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:53:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:53:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:53:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:53:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:53:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:53:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:53:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:53:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:53:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:53:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:53:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:53:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-12 00:53:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-12 00:53:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-12 00:53:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-12 00:53:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 00:53:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 00:53:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:53:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-12 00:53:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-12 00:53:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:53:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:53:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:53:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:53:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:53:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:53:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:53:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:53:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:53:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:53:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:53:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:53:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:53:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 00:53:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 00:53:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:53:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:53:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:53:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:53:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:53:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:53:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-12 00:53:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-12 00:53:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:53:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:53:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-12 00:53:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-12 00:53:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:53:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:53:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:53:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:53:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:53:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-12 00:53:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-12 00:53:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-12 00:53:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-12 00:53:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:53:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:53:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:53:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:53:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-12 00:53:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-12 00:53:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:53:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:53:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:53:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:53:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:53:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:53:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:53:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 00:53:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 00:53:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:53:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:53:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 00:53:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 00:53:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:53:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:53:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 00:53:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 00:53:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-12 00:53:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-12 00:53:52,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:52,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:53,439 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:54:01,992 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:07,251 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:07,252 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:07,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:07 BoogieIcfgContainer [2023-11-12 00:54:07,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:07,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:07,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:07,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:07,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:45" (1/3) ... [2023-11-12 00:54:07,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a203d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:07, skipping insertion in model container [2023-11-12 00:54:07,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:50" (2/3) ... [2023-11-12 00:54:07,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a203d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:07, skipping insertion in model container [2023-11-12 00:54:07,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:07" (3/3) ... [2023-11-12 00:54:07,276 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:54:07,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:07,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:07,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:07,459 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;@1b47f1d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:07,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:07,476 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) [2023-11-12 00:54:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:54:07,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:07,521 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] [2023-11-12 00:54:07,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:07,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:07,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1131820144, now seen corresponding path program 1 times [2023-11-12 00:54:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:07,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011894586] [2023-11-12 00:54:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:07,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-12 00:54:08,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:08,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011894586] [2023-11-12 00:54:08,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011894586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:08,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:08,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:08,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817013507] [2023-11-12 00:54:08,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:08,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:54:08,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:08,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:54:08,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:54:08,600 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) [2023-11-12 00:54:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:11,284 INFO L93 Difference]: Finished difference Result 3269 states and 4847 transitions. [2023-11-12 00:54:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:54:11,287 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 [2023-11-12 00:54:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:11,323 INFO L225 Difference]: With dead ends: 3269 [2023-11-12 00:54:11,323 INFO L226 Difference]: Without dead ends: 1478 [2023-11-12 00:54:11,343 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 [2023-11-12 00:54:11,346 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:11,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2129 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-12 00:54:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2023-11-12 00:54:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2023-11-12 00:54:11,571 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) [2023-11-12 00:54:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2157 transitions. [2023-11-12 00:54:11,596 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2157 transitions. Word has length 97 [2023-11-12 00:54:11,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:11,598 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 2157 transitions. [2023-11-12 00:54:11,598 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) [2023-11-12 00:54:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2157 transitions. [2023-11-12 00:54:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-12 00:54:11,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:11,605 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] [2023-11-12 00:54:11,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:11,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:11,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:11,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1555422176, now seen corresponding path program 1 times [2023-11-12 00:54:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291308423] [2023-11-12 00:54:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:11,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-12 00:54:12,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291308423] [2023-11-12 00:54:12,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291308423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:12,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:12,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:54:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852017965] [2023-11-12 00:54:12,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:12,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:54:12,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:12,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:54:12,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:12,280 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) [2023-11-12 00:54:15,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:17,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:18,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:21,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:23,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:24,997 INFO L93 Difference]: Finished difference Result 3245 states and 4775 transitions. [2023-11-12 00:54:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:54:24,998 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 [2023-11-12 00:54:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:25,014 INFO L225 Difference]: With dead ends: 3245 [2023-11-12 00:54:25,015 INFO L226 Difference]: Without dead ends: 1784 [2023-11-12 00:54:25,028 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 [2023-11-12 00:54:25,029 INFO L413 NwaCegarLoop]: 1884 mSDtfsCounter, 262 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:25,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 7532 Invalid, 1093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1091 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2023-11-12 00:54:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-11-12 00:54:25,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1482. [2023-11-12 00:54:25,127 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) [2023-11-12 00:54:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 2162 transitions. [2023-11-12 00:54:25,142 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 2162 transitions. Word has length 98 [2023-11-12 00:54:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:25,148 INFO L495 AbstractCegarLoop]: Abstraction has 1482 states and 2162 transitions. [2023-11-12 00:54:25,148 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) [2023-11-12 00:54:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2162 transitions. [2023-11-12 00:54:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-12 00:54:25,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:25,151 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] [2023-11-12 00:54:25,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:54:25,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:25,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash 12005856, now seen corresponding path program 1 times [2023-11-12 00:54:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:25,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95309266] [2023-11-12 00:54:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat