./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/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 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:07,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:07,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:02:07,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:07,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:07,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:07,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:07,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:07,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:07,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:07,681 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:07,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:07,683 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:07,685 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:07,685 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:07,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:07,686 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:07,687 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:07,687 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:07,688 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:07,688 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:07,689 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:07,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:07,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:07,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:07,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:07,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:07,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:07,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:07,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:07,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:07,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:07,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:07,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:07,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:07,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:07,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:07,698 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:07,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:07,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:07,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:07,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:07,700 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2023-11-19 05:02:08,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:08,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:08,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:08,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:08,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:08,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-19 05:02:11,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:12,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:12,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-19 05:02:12,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/data/a3f0cd7dc/6581bd8c3796431b9f8630b5a44f4129/FLAG2977348cd [2023-11-19 05:02:12,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/data/a3f0cd7dc/6581bd8c3796431b9f8630b5a44f4129 [2023-11-19 05:02:12,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:12,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:12,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:12,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:12,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:12,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:12" (1/1) ... [2023-11-19 05:02:12,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f98779d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:12, skipping insertion in model container [2023-11-19 05:02:12,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:12" (1/1) ... [2023-11-19 05:02:12,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:15,860 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2023-11-19 05:02:15,867 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2023-11-19 05:02:15,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:15,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:16,150 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"); [5299] [2023-11-19 05:02:16,152 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)); [5306] [2023-11-19 05:02:16,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5313] [2023-11-19 05:02:16,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5352-5353] [2023-11-19 05:02:16,156 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"); [5358-5360] [2023-11-19 05:02:16,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5385-5386] [2023-11-19 05:02:16,157 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5391-5393] [2023-11-19 05:02:16,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5417-5418] [2023-11-19 05:02:16,160 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5423-5425] [2023-11-19 05:02:16,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5565] [2023-11-19 05:02:16,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5573] [2023-11-19 05:02:16,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5581] [2023-11-19 05:02:16,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5588] [2023-11-19 05:02:16,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5595] [2023-11-19 05:02:16,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5602] [2023-11-19 05:02:16,175 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)); [5697-5698] [2023-11-19 05:02:16,178 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)); [5731-5732] [2023-11-19 05:02:16,187 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [5969-5970] [2023-11-19 05:02:16,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5976] [2023-11-19 05:02:16,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6673] [2023-11-19 05:02:16,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7129] [2023-11-19 05:02:16,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7721] [2023-11-19 05:02:16,508 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2023-11-19 05:02:16,510 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_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2023-11-19 05:02:16,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:16,882 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:16,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16 WrapperNode [2023-11-19 05:02:16,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:16,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:16,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:16,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:16,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,442 INFO L138 Inliner]: procedures = 454, calls = 1916, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 5228 [2023-11-19 05:02:17,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:17,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:17,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:17,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:17,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:17,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:17,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:17,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:17,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (1/1) ... [2023-11-19 05:02:17,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:17,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:17,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:02:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-19 05:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-19 05:02:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:02:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:02:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:02:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:02:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:02:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2023-11-19 05:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2023-11-19 05:02:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:02:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 05:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 05:02:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:02:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:02:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:02:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 05:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 05:02:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:02:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:02:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 05:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 05:02:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 05:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 05:02:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-19 05:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-19 05:02:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:02:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-19 05:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-19 05:02:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:02:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2023-11-19 05:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2023-11-19 05:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-19 05:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-19 05:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2023-11-19 05:02:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2023-11-19 05:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:02:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:02:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:02:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:02:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:02:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:02:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:02:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:02:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:02:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:02:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:02:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:02:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:02:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:02:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-19 05:02:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-19 05:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:02:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:02:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-19 05:02:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-19 05:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 05:02:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 05:02:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:02:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:02:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:02:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:02:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:02:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:02:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:02:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:02:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:02:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-19 05:02:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-19 05:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:02:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 05:02:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 05:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:02:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-19 05:02:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-19 05:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 05:02:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 05:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 05:02:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 05:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:02:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-19 05:02:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-19 05:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 05:02:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 05:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-19 05:02:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-19 05:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2023-11-19 05:02:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2023-11-19 05:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:02:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:02:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:02:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-19 05:02:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-19 05:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-19 05:02:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-19 05:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:02:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-19 05:02:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-19 05:02:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:02:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:02:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-19 05:02:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-19 05:02:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:02:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:02:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:02:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 05:02:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 05:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 05:02:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 05:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:02:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2023-11-19 05:02:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2023-11-19 05:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-19 05:02:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-19 05:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 05:02:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 05:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-19 05:02:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-19 05:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-19 05:02:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-19 05:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:02:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:02:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:02:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 05:02:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 05:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-19 05:02:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-19 05:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 05:02:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 05:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 05:02:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 05:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:02:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:02:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:02:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:02:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-19 05:02:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-19 05:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 05:02:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 05:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-19 05:02:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-19 05:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-19 05:02:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-19 05:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:02:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:02:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2023-11-19 05:02:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2023-11-19 05:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:02:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-19 05:02:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-19 05:02:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:02:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:02:18,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:18,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:19,807 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:02:23,259 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:02:23,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:26,178 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:26,179 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:02:26,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:26 BoogieIcfgContainer [2023-11-19 05:02:26,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:26,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:26,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:26,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:26,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:12" (1/3) ... [2023-11-19 05:02:26,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9a5211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:26, skipping insertion in model container [2023-11-19 05:02:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:16" (2/3) ... [2023-11-19 05:02:26,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9a5211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:26, skipping insertion in model container [2023-11-19 05:02:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:26" (3/3) ... [2023-11-19 05:02:26,207 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-19 05:02:26,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:26,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:02:26,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:26,377 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;@1c2f7c76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:26,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:02:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 1441 states, 804 states have (on average 1.2723880597014925) internal successors, (1023), 830 states have internal predecessors, (1023), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2023-11-19 05:02:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-19 05:02:26,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:26,458 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:26,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:26,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash -857710173, now seen corresponding path program 1 times [2023-11-19 05:02:26,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:26,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184134716] [2023-11-19 05:02:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:26,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-19 05:02:28,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184134716] [2023-11-19 05:02:28,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184134716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:28,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:28,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:02:28,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649016489] [2023-11-19 05:02:28,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:28,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:02:28,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:28,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:02:28,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:02:28,309 INFO L87 Difference]: Start difference. First operand has 1441 states, 804 states have (on average 1.2723880597014925) internal successors, (1023), 830 states have internal predecessors, (1023), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-19 05:02:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:36,629 INFO L93 Difference]: Finished difference Result 4800 states and 6954 transitions. [2023-11-19 05:02:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:02:36,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 188 [2023-11-19 05:02:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:36,689 INFO L225 Difference]: With dead ends: 4800 [2023-11-19 05:02:36,689 INFO L226 Difference]: Without dead ends: 3303 [2023-11-19 05:02:36,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:02:36,717 INFO L413 NwaCegarLoop]: 1815 mSDtfsCounter, 6742 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 3415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6827 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3415 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:36,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6827 Valid, 4570 Invalid, 5756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3415 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-19 05:02:36,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2023-11-19 05:02:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3295. [2023-11-19 05:02:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 1890 states have (on average 1.2682539682539682) internal successors, (2397), 1947 states have internal predecessors, (2397), 1151 states have call successors, (1151), 253 states have call predecessors, (1151), 253 states have return successors, (1151), 1136 states have call predecessors, (1151), 1151 states have call successors, (1151) [2023-11-19 05:02:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 4699 transitions. [2023-11-19 05:02:37,146 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 4699 transitions. Word has length 188 [2023-11-19 05:02:37,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:37,149 INFO L495 AbstractCegarLoop]: Abstraction has 3295 states and 4699 transitions. [2023-11-19 05:02:37,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-19 05:02:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 4699 transitions. [2023-11-19 05:02:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 05:02:37,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:37,169 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:37,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:02:37,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:37,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:37,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1247018274, now seen corresponding path program 1 times [2023-11-19 05:02:37,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:37,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403899034] [2023-11-19 05:02:37,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-19 05:02:37,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:37,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403899034] [2023-11-19 05:02:37,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403899034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:37,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:37,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:37,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34889733] [2023-11-19 05:02:37,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:37,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:37,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:37,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:37,537 INFO L87 Difference]: Start difference. First operand 3295 states and 4699 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-19 05:02:40,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:40,033 INFO L93 Difference]: Finished difference Result 8751 states and 12428 transitions. [2023-11-19 05:02:40,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:40,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 197 [2023-11-19 05:02:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:40,090 INFO L225 Difference]: With dead ends: 8751 [2023-11-19 05:02:40,090 INFO L226 Difference]: Without dead ends: 5477 [2023-11-19 05:02:40,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:40,113 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 1699 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:40,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 3463 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 05:02:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-11-19 05:02:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5472. [2023-11-19 05:02:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5472 states, 3132 states have (on average 1.2592592592592593) internal successors, (3944), 3232 states have internal predecessors, (3944), 1897 states have call successors, (1897), 442 states have call predecessors, (1897), 442 states have return successors, (1900), 1867 states have call predecessors, (1900), 1897 states have call successors, (1900) [2023-11-19 05:02:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5472 states to 5472 states and 7741 transitions. [2023-11-19 05:02:40,689 INFO L78 Accepts]: Start accepts. Automaton has 5472 states and 7741 transitions. Word has length 197 [2023-11-19 05:02:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:40,692 INFO L495 AbstractCegarLoop]: Abstraction has 5472 states and 7741 transitions. [2023-11-19 05:02:40,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-19 05:02:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5472 states and 7741 transitions. [2023-11-19 05:02:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 05:02:40,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:40,705 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:40,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:02:40,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:40,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:40,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1654025919, now seen corresponding path program 1 times [2023-11-19 05:02:40,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:40,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973871927] [2023-11-19 05:02:40,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:40,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-19 05:02:41,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:41,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973871927] [2023-11-19 05:02:41,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973871927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:41,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:41,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:41,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635039228] [2023-11-19 05:02:41,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:41,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:41,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:41,213 INFO L87 Difference]: Start difference. First operand 5472 states and 7741 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 05:02:44,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:44,320 INFO L93 Difference]: Finished difference Result 12107 states and 17139 transitions. [2023-11-19 05:02:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:44,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 250 [2023-11-19 05:02:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:44,394 INFO L225 Difference]: With dead ends: 12107 [2023-11-19 05:02:44,394 INFO L226 Difference]: Without dead ends: 6656 [2023-11-19 05:02:44,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:44,434 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 1261 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:44,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 4501 Invalid, 834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 05:02:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2023-11-19 05:02:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6652. [2023-11-19 05:02:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6652 states, 3837 states have (on average 1.2627052384675528) internal successors, (4845), 3959 states have internal predecessors, (4845), 2275 states have call successors, (2275), 539 states have call predecessors, (2275), 539 states have return successors, (2278), 2239 states have call predecessors, (2278), 2275 states have call successors, (2278) [2023-11-19 05:02:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6652 states to 6652 states and 9398 transitions. [2023-11-19 05:02:45,110 INFO L78 Accepts]: Start accepts. Automaton has 6652 states and 9398 transitions. Word has length 250 [2023-11-19 05:02:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:45,111 INFO L495 AbstractCegarLoop]: Abstraction has 6652 states and 9398 transitions. [2023-11-19 05:02:45,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 05:02:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 6652 states and 9398 transitions. [2023-11-19 05:02:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-11-19 05:02:45,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:45,136 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 9, 9, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:45,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:02:45,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:45,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:45,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1753353507, now seen corresponding path program 1 times [2023-11-19 05:02:45,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:45,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491745994] [2023-11-19 05:02:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2023-11-19 05:02:45,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:45,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491745994] [2023-11-19 05:02:45,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491745994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:45,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:45,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:45,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419156620] [2023-11-19 05:02:45,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:45,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:45,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:45,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:45,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:45,756 INFO L87 Difference]: Start difference. First operand 6652 states and 9398 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-19 05:02:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:48,571 INFO L93 Difference]: Finished difference Result 13367 states and 18947 transitions. [2023-11-19 05:02:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 312 [2023-11-19 05:02:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:48,631 INFO L225 Difference]: With dead ends: 13367 [2023-11-19 05:02:48,632 INFO L226 Difference]: Without dead ends: 6736 [2023-11-19 05:02:48,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:48,673 INFO L413 NwaCegarLoop]: 1743 mSDtfsCounter, 10 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:48,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3481 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 05:02:48,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6736 states. [2023-11-19 05:02:49,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6736 to 6664. [2023-11-19 05:02:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6664 states, 3849 states have (on average 1.2618862042088854) internal successors, (4857), 3971 states have internal predecessors, (4857), 2275 states have call successors, (2275), 539 states have call predecessors, (2275), 539 states have return successors, (2278), 2239 states have call predecessors, (2278), 2275 states have call successors, (2278) [2023-11-19 05:02:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 9410 transitions. [2023-11-19 05:02:49,163 INFO L78 Accepts]: Start accepts. Automaton has 6664 states and 9410 transitions. Word has length 312 [2023-11-19 05:02:49,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:49,166 INFO L495 AbstractCegarLoop]: Abstraction has 6664 states and 9410 transitions. [2023-11-19 05:02:49,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-19 05:02:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 6664 states and 9410 transitions. [2023-11-19 05:02:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-11-19 05:02:49,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:49,183 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 10, 10, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:49,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:02:49,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:02:49,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1601737974, now seen corresponding path program 1 times [2023-11-19 05:02:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923288929] [2023-11-19 05:02:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:49,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-19 05:02:49,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:49,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923288929] [2023-11-19 05:02:49,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923288929] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:02:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612553737] [2023-11-19 05:02:49,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:49,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:02:49,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:49,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:02:49,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e2d5aa5-727f-4f60-9efe-a967c4d2100b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:02:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:50,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 2868 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:02:50,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2023-11-19 05:02:50,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:02:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2023-11-19 05:02:51,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612553737] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:02:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1063512063] [2023-11-19 05:02:51,242 INFO L159 IcfgInterpreter]: Started Sifa with 175 locations of interest [2023-11-19 05:02:51,243 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:02:51,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:02:51,254 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:02:51,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs