./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91 --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 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:48:43,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:48:43,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:48:43,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:48:43,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:48:43,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:48:43,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:48:43,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:48:43,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:48:43,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:48:43,911 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:48:43,912 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:48:43,913 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:48:43,915 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:48:43,915 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:48:43,916 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:48:43,916 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:48:43,917 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:48:43,918 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:48:43,918 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:48:43,919 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:48:43,919 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:48:43,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:48:43,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:48:43,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:48:43,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:48:43,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:48:43,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:48:43,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:48:43,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:48:43,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:48:43,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:48:43,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:48:43,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:48:43,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:43,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:48:43,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:48:43,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:48:43,928 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:48:43,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:48:43,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:48:43,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:48:43,929 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:48:43,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:48:43,930 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_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d [2023-11-24 23:48:44,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:48:44,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:48:44,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:48:44,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:48:44,286 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:48:44,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-24 23:48:47,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:48:48,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:48:48,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-24 23:48:48,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/data/af259811a/43fc796601ad45f1ad892d65e43adc6d/FLAGf1600ceda [2023-11-24 23:48:48,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/data/af259811a/43fc796601ad45f1ad892d65e43adc6d [2023-11-24 23:48:48,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:48:48,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:48:48,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:48,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:48:48,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:48:48,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122aed24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48, skipping insertion in model container [2023-11-24 23:48:48,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:48:51,772 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_941f8437-b6f3-42f4-8238-a0da9fb810e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2023-11-24 23:48:51,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:51,992 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:48:52,134 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"); [5180] [2023-11-24 23:48:52,136 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)); [5187] [2023-11-24 23:48:52,137 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5194-5195] [2023-11-24 23:48:52,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5208-5209] [2023-11-24 23:48:52,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5237] [2023-11-24 23:48:52,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5240] [2023-11-24 23:48:52,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5243] [2023-11-24 23:48:52,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5246] [2023-11-24 23:48:52,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [8708-8709] [2023-11-24 23:48:52,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [8713-8714] [2023-11-24 23:48:52,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [8718-8719] [2023-11-24 23:48:52,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___11->state): : "memory", "cc"); [8723-8724] [2023-11-24 23:48:52,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [8749-8750] [2023-11-24 23:48:52,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [8754-8755] [2023-11-24 23:48:52,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [8759-8760] [2023-11-24 23:48:52,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [8764-8765] [2023-11-24 23:48:52,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___28->state): : "memory", "cc"); [8836-8837] [2023-11-24 23:48:52,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___29->state): : "memory", "cc"); [8841-8842] [2023-11-24 23:48:52,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___30->state): : "memory", "cc"); [8846-8847] [2023-11-24 23:48:52,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___31->state): : "memory", "cc"); [8851-8852] [2023-11-24 23:48:52,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8876] [2023-11-24 23:48:52,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8879] [2023-11-24 23:48:52,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8882] [2023-11-24 23:48:52,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8885] [2023-11-24 23:48:52,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [8888] [2023-11-24 23:48:52,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [8939-8940] [2023-11-24 23:48:52,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [8944-8945] [2023-11-24 23:48:52,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [8949-8950] [2023-11-24 23:48:52,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [8954-8955] [2023-11-24 23:48:52,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [8978-8979] [2023-11-24 23:48:52,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [8983-8984] [2023-11-24 23:48:52,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [8988-8989] [2023-11-24 23:48:52,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [8993-8994] [2023-11-24 23:48:52,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___12->state): : "memory", "cc"); [9019-9020] [2023-11-24 23:48:52,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [9024-9025] [2023-11-24 23:48:52,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9029-9030] [2023-11-24 23:48:52,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9034-9035] [2023-11-24 23:48:52,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9243-9244] [2023-11-24 23:48:52,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9248-9249] [2023-11-24 23:48:52,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9253-9254] [2023-11-24 23:48:52,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9258-9259] [2023-11-24 23:48:52,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [9301-9302] [2023-11-24 23:48:52,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [9306-9307] [2023-11-24 23:48:52,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [9311-9312] [2023-11-24 23:48:52,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [9316-9317] [2023-11-24 23:48:53,008 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_941f8437-b6f3-42f4-8238-a0da9fb810e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2023-11-24 23:48:53,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:53,177 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:53,177 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:53,177 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:53,178 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:53,178 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:48:53,186 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:48:53,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53 WrapperNode [2023-11-24 23:48:53,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:53,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:53,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:48:53,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:48:53,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:53,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:53,706 INFO L138 Inliner]: procedures = 356, calls = 3979, calls flagged for inlining = 168, calls inlined = 134, statements flattened = 8423 [2023-11-24 23:48:53,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:53,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:48:53,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:48:53,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:48:53,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:53,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:53,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:53,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:48:54,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:48:54,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:48:54,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:48:54,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (1/1) ... [2023-11-24 23:48:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:54,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:48:54,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:48:54,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941f8437-b6f3-42f4-8238-a0da9fb810e1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:48:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-24 23:48:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-24 23:48:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-24 23:48:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-24 23:48:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-24 23:48:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:48:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:48:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-24 23:48:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-24 23:48:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:48:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:48:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:48:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:48:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:48:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:48:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-24 23:48:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-24 23:48:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2023-11-24 23:48:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2023-11-24 23:48:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-24 23:48:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-24 23:48:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-24 23:48:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-24 23:48:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:48:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:48:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2023-11-24 23:48:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2023-11-24 23:48:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-24 23:48:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-24 23:48:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:48:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:48:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:48:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:48:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-24 23:48:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-24 23:48:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2023-11-24 23:48:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2023-11-24 23:48:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:48:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:48:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:48:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:48:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:48:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:48:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2023-11-24 23:48:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2023-11-24 23:48:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:48:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:48:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:48:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:48:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-24 23:48:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-24 23:48:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-24 23:48:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-24 23:48:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-24 23:48:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-24 23:48:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-24 23:48:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-24 23:48:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:48:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:48:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2023-11-24 23:48:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2023-11-24 23:48:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-24 23:48:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-24 23:48:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:48:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:48:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:48:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-24 23:48:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-24 23:48:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2023-11-24 23:48:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2023-11-24 23:48:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2023-11-24 23:48:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2023-11-24 23:48:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:48:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-24 23:48:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-24 23:48:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-24 23:48:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-24 23:48:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:48:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:48:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2023-11-24 23:48:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2023-11-24 23:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-24 23:48:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-24 23:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-24 23:48:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-24 23:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:48:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:48:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:48:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-24 23:48:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-24 23:48:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:48:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:48:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:48:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:48:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-24 23:48:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-24 23:48:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-24 23:48:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-24 23:48:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:48:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:48:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-24 23:48:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-24 23:48:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:48:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:48:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-24 23:48:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-24 23:48:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:48:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:48:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-24 23:48:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-24 23:48:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2023-11-24 23:48:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2023-11-24 23:48:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-24 23:48:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-24 23:48:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-24 23:48:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-24 23:48:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:48:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:48:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:48:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:48:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:48:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:48:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-24 23:48:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-24 23:48:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-24 23:48:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-24 23:48:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-24 23:48:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-24 23:48:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:48:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:48:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:48:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:48:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:48:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-24 23:48:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-24 23:48:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-24 23:48:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-24 23:48:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2023-11-24 23:48:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2023-11-24 23:48:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:48:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:48:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2023-11-24 23:48:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2023-11-24 23:48:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-24 23:48:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-24 23:48:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure install [2023-11-24 23:48:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2023-11-24 23:48:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-11-24 23:48:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-11-24 23:48:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:48:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:48:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2023-11-24 23:48:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2023-11-24 23:48:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:48:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:48:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:48:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:48:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2023-11-24 23:48:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2023-11-24 23:48:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-24 23:48:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-24 23:48:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:48:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:48:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:48:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2023-11-24 23:48:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2023-11-24 23:48:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-24 23:48:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-24 23:48:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-24 23:48:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-24 23:48:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:48:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:48:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-24 23:48:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-24 23:48:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:48:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:48:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:48:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:48:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-24 23:48:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-24 23:48:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2023-11-24 23:48:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2023-11-24 23:48:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-24 23:48:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-24 23:48:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:48:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2023-11-24 23:48:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2023-11-24 23:48:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2023-11-24 23:48:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2023-11-24 23:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ops_disconnect_1 [2023-11-24 23:48:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ops_disconnect_1 [2023-11-24 23:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2023-11-24 23:48:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2023-11-24 23:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-11-24 23:48:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-11-24 23:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2023-11-24 23:48:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2023-11-24 23:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-24 23:48:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-24 23:48:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:48:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:48:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:48:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:48:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2023-11-24 23:48:54,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2023-11-24 23:48:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2023-11-24 23:48:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2023-11-24 23:48:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-24 23:48:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-24 23:48:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:48:54,342 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:48:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-24 23:48:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-24 23:48:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-24 23:48:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-24 23:48:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-24 23:48:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-24 23:48:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-24 23:48:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-24 23:48:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2023-11-24 23:48:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2023-11-24 23:48:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:48:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:48:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-24 23:48:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-24 23:48:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:48:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:48:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:48:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-24 23:48:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-24 23:48:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-24 23:48:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-24 23:48:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-24 23:48:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-24 23:48:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-24 23:48:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-24 23:48:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:48:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:48:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2023-11-24 23:48:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2023-11-24 23:48:55,347 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:48:55,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:25,840 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:32,901 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:32,902 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:49:32,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:32 BoogieIcfgContainer [2023-11-24 23:49:32,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:32,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:32,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:32,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:32,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:48:48" (1/3) ... [2023-11-24 23:49:32,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f185cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:32, skipping insertion in model container [2023-11-24 23:49:32,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:53" (2/3) ... [2023-11-24 23:49:32,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f185cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:32, skipping insertion in model container [2023-11-24 23:49:32,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:32" (3/3) ... [2023-11-24 23:49:32,913 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-24 23:49:32,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:32,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:33,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:33,043 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;@5cd69938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:33,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 2380 states, 1449 states have (on average 1.3630089717046239) internal successors, (1975), 1506 states have internal predecessors, (1975), 818 states have call successors, (818), 111 states have call predecessors, (818), 111 states have return successors, (818), 812 states have call predecessors, (818), 818 states have call successors, (818) [2023-11-24 23:49:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:49:33,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:33,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:33,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:33,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:33,090 INFO L85 PathProgramCache]: Analyzing trace with hash -969382964, now seen corresponding path program 1 times [2023-11-24 23:49:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:33,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531823397] [2023-11-24 23:49:33,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:49:33,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:33,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531823397] [2023-11-24 23:49:33,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531823397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:33,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:33,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:49:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391893655] [2023-11-24 23:49:33,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:33,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:33,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:33,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:33,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:33,867 INFO L87 Difference]: Start difference. First operand has 2380 states, 1449 states have (on average 1.3630089717046239) internal successors, (1975), 1506 states have internal predecessors, (1975), 818 states have call successors, (818), 111 states have call predecessors, (818), 111 states have return successors, (818), 812 states have call predecessors, (818), 818 states have call successors, (818) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-24 23:49:37,117 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 []