./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/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_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:57:12,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:12,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:57:12,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:12,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:12,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:12,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:12,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:12,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:12,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:12,742 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:12,743 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:12,743 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:12,744 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:12,745 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:12,745 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:12,746 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:12,747 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:12,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:12,748 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:12,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:12,750 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:12,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:12,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:12,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:12,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:12,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:12,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:12,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:12,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:12,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:12,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:12,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:12,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:12,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:12,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:12,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:12,773 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:12,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:12,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:12,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:12,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:12,775 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_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2023-11-19 04:57:13,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:13,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:13,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:13,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:13,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:13,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:57:16,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:17,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:17,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:57:17,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/data/b348af976/67d3d67a97584d3da1371af2d25f40e8/FLAGb39e07207 [2023-11-19 04:57:17,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/data/b348af976/67d3d67a97584d3da1371af2d25f40e8 [2023-11-19 04:57:17,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:17,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:17,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:17,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:17,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:17,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:17" (1/1) ... [2023-11-19 04:57:17,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d96c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:17, skipping insertion in model container [2023-11-19 04:57:17,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:17" (1/1) ... [2023-11-19 04:57:17,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:20,459 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_74214d64-f776-4c11-a7cb-4861c35bdfbc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-19 04:57:20,466 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_74214d64-f776-4c11-a7cb-4861c35bdfbc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-19 04:57:20,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:20,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:57:20,744 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] [2023-11-19 04:57:20,747 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] [2023-11-19 04:57:20,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2023-11-19 04:57:20,753 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] [2023-11-19 04:57:20,754 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] [2023-11-19 04:57:20,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2023-11-19 04:57:20,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2023-11-19 04:57:20,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2023-11-19 04:57:20,768 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] [2023-11-19 04:57:20,771 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] [2023-11-19 04:57:20,776 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] [2023-11-19 04:57:20,778 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] [2023-11-19 04:57:20,780 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] [2023-11-19 04:57:20,782 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] [2023-11-19 04:57:20,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2023-11-19 04:57:20,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2023-11-19 04:57:20,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2023-11-19 04:57:20,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2023-11-19 04:57:20,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2023-11-19 04:57:20,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2023-11-19 04:57:20,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2023-11-19 04:57:20,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-19 04:57:20,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2023-11-19 04:57:20,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-11-19 04:57:21,089 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_74214d64-f776-4c11-a7cb-4861c35bdfbc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-19 04:57:21,090 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_74214d64-f776-4c11-a7cb-4861c35bdfbc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-19 04:57:21,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:21,327 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:21,327 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:21,335 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:57:21,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21 WrapperNode [2023-11-19 04:57:21,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:21,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:21,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:57:21,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:57:21,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,706 INFO L138 Inliner]: procedures = 430, calls = 2224, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5993 [2023-11-19 04:57:21,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:21,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:57:21,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:57:21,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:57:21,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:21,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:22,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:22,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:22,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:57:22,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:57:22,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:57:22,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:57:22,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (1/1) ... [2023-11-19 04:57:22,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:22,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:57:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 04:57:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-19 04:57:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-19 04:57:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 04:57:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 04:57:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:57:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:57:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:57:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:57:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-19 04:57:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-19 04:57:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-19 04:57:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-19 04:57:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-19 04:57:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-19 04:57:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:57:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:57:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-19 04:57:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-19 04:57:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:57:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:57:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:57:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:57:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-19 04:57:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-19 04:57:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-19 04:57:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-19 04:57:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:57:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:57:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-19 04:57:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-19 04:57:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 04:57:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 04:57:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-19 04:57:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-19 04:57:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-19 04:57:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-19 04:57:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 04:57:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 04:57:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:57:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:57:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:57:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:57:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:57:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:57:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:57:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-19 04:57:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-19 04:57:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:57:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:57:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:57:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:57:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:57:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:57:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:57:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 04:57:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 04:57:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:57:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:57:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:57:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:57:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:57:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:57:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:57:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:57:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:57:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:57:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:57:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 04:57:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 04:57:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:57:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:57:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:57:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:57:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:57:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:57:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:57:22,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74214d64-f776-4c11-a7cb-4861c35bdfbc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:57:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:57:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-19 04:57:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-19 04:57:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-19 04:57:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-19 04:57:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:57:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-19 04:57:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-19 04:57:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 04:57:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 04:57:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:57:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-19 04:57:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-19 04:57:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:57:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:57:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:57:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:57:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:57:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:57:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:57:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:57:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:57:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:57:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:57:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:57:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:57:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:57:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:57:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 04:57:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 04:57:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:57:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:57:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:57:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:57:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:57:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:57:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:57:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:57:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-19 04:57:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-19 04:57:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:57:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-19 04:57:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:57:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-19 04:57:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:57:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:57:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:57:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:57:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:57:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:57:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:57:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:57:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:57:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:57:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:57:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:57:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 04:57:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 04:57:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 04:57:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:57:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:57:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:57:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-19 04:57:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-19 04:57:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:57:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:57:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:57:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:57:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:57:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-19 04:57:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-19 04:57:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:57:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:57:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:57:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:57:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:57:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:57:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-19 04:57:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-19 04:57:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-19 04:57:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-19 04:57:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:57:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:57:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:57:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:57:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-19 04:57:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-19 04:57:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:57:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:57:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:57:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:57:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:57:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:57:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:57:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:57:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:57:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 04:57:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 04:57:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:57:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:57:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:57:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-19 04:57:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-19 04:57:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:57:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:57:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-19 04:57:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-19 04:57:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-19 04:57:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-19 04:57:23,263 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:57:23,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:57:24,148 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:57:31,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:35,396 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:35,396 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:57:35,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:35 BoogieIcfgContainer [2023-11-19 04:57:35,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:35,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:35,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:35,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:35,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:57:17" (1/3) ... [2023-11-19 04:57:35,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b000dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:35, skipping insertion in model container [2023-11-19 04:57:35,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:21" (2/3) ... [2023-11-19 04:57:35,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b000dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:35, skipping insertion in model container [2023-11-19 04:57:35,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:35" (3/3) ... [2023-11-19 04:57:35,429 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:57:35,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:35,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:57:35,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:35,580 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;@319d676c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:35,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:57:35,598 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) [2023-11-19 04:57:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:57:35,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:35,648 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] [2023-11-19 04:57:35,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:35,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1131820144, now seen corresponding path program 1 times [2023-11-19 04:57:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950355990] [2023-11-19 04:57:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 04:57:36,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:36,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950355990] [2023-11-19 04:57:36,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950355990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:36,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:36,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:36,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147881006] [2023-11-19 04:57:36,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:36,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:57:36,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:36,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:57:36,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:57:36,693 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) [2023-11-19 04:57:38,787 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 [] [2023-11-19 04:57:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:40,064 INFO L93 Difference]: Finished difference Result 3269 states and 4847 transitions. [2023-11-19 04:57:40,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:57:40,070 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 [2023-11-19 04:57:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:40,107 INFO L225 Difference]: With dead ends: 3269 [2023-11-19 04:57:40,107 INFO L226 Difference]: Without dead ends: 1478 [2023-11-19 04:57:40,127 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 [2023-11-19 04:57:40,131 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:40,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2129 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 04:57:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2023-11-19 04:57:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2023-11-19 04:57:40,428 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) [2023-11-19 04:57:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2157 transitions. [2023-11-19 04:57:40,452 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2157 transitions. Word has length 97 [2023-11-19 04:57:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:40,454 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 2157 transitions. [2023-11-19 04:57:40,454 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) [2023-11-19 04:57:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2157 transitions. [2023-11-19 04:57:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:57:40,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:40,461 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] [2023-11-19 04:57:40,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:57:40,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:40,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1555422176, now seen corresponding path program 1 times [2023-11-19 04:57:40,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:40,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784173303] [2023-11-19 04:57:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 04:57:41,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784173303] [2023-11-19 04:57:41,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784173303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:41,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:41,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:57:41,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353172589] [2023-11-19 04:57:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:41,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:57:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:57:41,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:57:41,232 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) [2023-11-19 04:57:43,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:44,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:45,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:50,030 INFO L93 Difference]: Finished difference Result 3245 states and 4775 transitions. [2023-11-19 04:57:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:57:50,031 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 [2023-11-19 04:57:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:50,050 INFO L225 Difference]: With dead ends: 3245 [2023-11-19 04:57:50,050 INFO L226 Difference]: Without dead ends: 1784 [2023-11-19 04:57:50,060 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 [2023-11-19 04:57:50,062 INFO L413 NwaCegarLoop]: 1884 mSDtfsCounter, 262 mSDsluCounter, 5648 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s 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, 8.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:50,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 7532 Invalid, 1093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-19 04:57:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-11-19 04:57:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1482. [2023-11-19 04:57:50,156 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) [2023-11-19 04:57:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 2162 transitions. [2023-11-19 04:57:50,173 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 2162 transitions. Word has length 98 [2023-11-19 04:57:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:50,178 INFO L495 AbstractCegarLoop]: Abstraction has 1482 states and 2162 transitions. [2023-11-19 04:57:50,178 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) [2023-11-19 04:57:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2162 transitions. [2023-11-19 04:57:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:57:50,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:50,182 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] [2023-11-19 04:57:50,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:57:50,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:50,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:50,192 INFO L85 PathProgramCache]: Analyzing trace with hash 12005856, now seen corresponding path program 1 times [2023-11-19 04:57:50,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:50,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054472510] [2023-11-19 04:57:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 04:57:54,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:54,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054472510] [2023-11-19 04:57:54,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054472510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:54,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:54,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:57:54,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360410941] [2023-11-19 04:57:54,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:54,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:57:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:54,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:57:54,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:57:54,256 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) [2023-11-19 04:57:57,767 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 [] [2023-11-19 04:57:59,773 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 []