./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 30e01a73 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_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/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_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:57,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:57,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:35:57,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:57,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:57,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:57,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:57,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:57,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:57,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:57,676 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:57,676 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:57,677 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:57,677 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:57,678 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:57,678 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:57,679 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:57,679 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:57,680 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:57,681 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:57,681 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:57,682 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:57,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:57,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:57,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:57,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:57,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:57,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:57,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:57,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:57,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:57,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:57,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:57,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:57,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:57,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:57,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:57,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:57,689 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:57,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:57,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:57,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:57,691 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:57,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:57,691 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_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d [2023-11-23 20:35:58,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:58,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:58,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:58,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:58,048 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:58,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-23 20:36:01,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:01,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:01,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-23 20:36:02,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/data/563da23f2/f36490d0f61f4536936d3c89b279c8a2/FLAG4f6ab7455 [2023-11-23 20:36:02,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/data/563da23f2/f36490d0f61f4536936d3c89b279c8a2 [2023-11-23 20:36:02,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:02,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:02,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:02,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:02,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:02,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:02" (1/1) ... [2023-11-23 20:36:02,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dfee1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:02, skipping insertion in model container [2023-11-23 20:36:02,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:02" (1/1) ... [2023-11-23 20:36:02,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:05,472 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_09200878-47bb-4811-b076-47d0a339729b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2023-11-23 20:36:05,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:05,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:05,821 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] [2023-11-23 20:36:05,824 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] [2023-11-23 20:36:05,824 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] [2023-11-23 20:36:05,825 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] [2023-11-23 20:36:05,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5237] [2023-11-23 20:36:05,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5240] [2023-11-23 20:36:05,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5243] [2023-11-23 20:36:05,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5246] [2023-11-23 20:36:06,171 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] [2023-11-23 20:36:06,172 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] [2023-11-23 20:36:06,172 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] [2023-11-23 20:36:06,173 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] [2023-11-23 20:36:06,175 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] [2023-11-23 20:36:06,175 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] [2023-11-23 20:36:06,176 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] [2023-11-23 20:36:06,176 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] [2023-11-23 20:36:06,182 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] [2023-11-23 20:36:06,183 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] [2023-11-23 20:36:06,183 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] [2023-11-23 20:36:06,184 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] [2023-11-23 20:36:06,185 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] [2023-11-23 20:36:06,185 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] [2023-11-23 20:36:06,186 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] [2023-11-23 20:36:06,186 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] [2023-11-23 20:36:06,187 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] [2023-11-23 20:36:06,190 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] [2023-11-23 20:36:06,190 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] [2023-11-23 20:36:06,191 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] [2023-11-23 20:36:06,191 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] [2023-11-23 20:36:06,193 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] [2023-11-23 20:36:06,194 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] [2023-11-23 20:36:06,194 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] [2023-11-23 20:36:06,194 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] [2023-11-23 20:36:06,214 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] [2023-11-23 20:36:06,214 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] [2023-11-23 20:36:06,215 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] [2023-11-23 20:36:06,215 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] [2023-11-23 20:36:06,224 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] [2023-11-23 20:36:06,224 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] [2023-11-23 20:36:06,225 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] [2023-11-23 20:36:06,225 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] [2023-11-23 20:36:06,226 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] [2023-11-23 20:36:06,227 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] [2023-11-23 20:36:06,227 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] [2023-11-23 20:36:06,227 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] [2023-11-23 20:36:06,386 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_09200878-47bb-4811-b076-47d0a339729b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2023-11-23 20:36:06,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:06,563 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:06,563 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:06,564 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:06,564 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:06,564 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:06,572 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:06,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06 WrapperNode [2023-11-23 20:36:06,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:06,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:06,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:06,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:06,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:06,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,154 INFO L138 Inliner]: procedures = 356, calls = 3979, calls flagged for inlining = 168, calls inlined = 134, statements flattened = 8239 [2023-11-23 20:36:07,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:07,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:07,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:07,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:07,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:07,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:07,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:07,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:07,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (1/1) ... [2023-11-23 20:36:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:07,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:07,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09200878-47bb-4811-b076-47d0a339729b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-23 20:36:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-23 20:36:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-23 20:36:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-23 20:36:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 20:36:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:36:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:36:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-23 20:36:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-23 20:36:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:36:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:36:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 20:36:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 20:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 20:36:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 20:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-23 20:36:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-23 20:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2023-11-23 20:36:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2023-11-23 20:36:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-23 20:36:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-23 20:36:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:36:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2023-11-23 20:36:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-23 20:36:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 20:36:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 20:36:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:36:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-23 20:36:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2023-11-23 20:36:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 20:36:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:36:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:36:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2023-11-23 20:36:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:36:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 20:36:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-23 20:36:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-23 20:36:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-23 20:36:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 20:36:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 20:36:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-23 20:36:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-23 20:36:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:36:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:36:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2023-11-23 20:36:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2023-11-23 20:36:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-23 20:36:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-23 20:36:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:36:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:36:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:36:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-23 20:36:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-23 20:36:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2023-11-23 20:36:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2023-11-23 20:36:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2023-11-23 20:36:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2023-11-23 20:36:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:36:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-23 20:36:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-23 20:36:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 20:36:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 20:36:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:36:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:36:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2023-11-23 20:36:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2023-11-23 20:36:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-23 20:36:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2023-11-23 20:36:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:36:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-23 20:36:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-23 20:36:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 20:36:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 20:36:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:36:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-23 20:36:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-23 20:36:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:36:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:36:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:36:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:36:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 20:36:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 20:36:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-23 20:36:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-23 20:36:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 20:36:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 20:36:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-23 20:36:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-23 20:36:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 20:36:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 20:36:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-23 20:36:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-23 20:36:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:36:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:36:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-23 20:36:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-23 20:36:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2023-11-23 20:36:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2023-11-23 20:36:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 20:36:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 20:36:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-23 20:36:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-23 20:36:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:36:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:36:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:36:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:36:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:36:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:36:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-23 20:36:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-23 20:36:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-23 20:36:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-23 20:36:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-23 20:36:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-23 20:36:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:36:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:36:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:36:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:36:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-23 20:36:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-23 20:36:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-23 20:36:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-23 20:36:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2023-11-23 20:36:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2023-11-23 20:36:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:36:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:36:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2023-11-23 20:36:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2023-11-23 20:36:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-23 20:36:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-23 20:36:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure install [2023-11-23 20:36:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2023-11-23 20:36:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-11-23 20:36:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-11-23 20:36:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:36:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:36:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2023-11-23 20:36:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2023-11-23 20:36:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 20:36:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 20:36:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:36:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:36:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2023-11-23 20:36:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2023-11-23 20:36:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-23 20:36:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2023-11-23 20:36:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:36:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:36:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2023-11-23 20:36:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2023-11-23 20:36:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-23 20:36:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-23 20:36:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-23 20:36:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-23 20:36:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:36:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:36:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-23 20:36:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-23 20:36:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:36:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 20:36:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 20:36:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-23 20:36:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-23 20:36:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2023-11-23 20:36:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2023-11-23 20:36:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-23 20:36:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-23 20:36:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:36:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2023-11-23 20:36:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2023-11-23 20:36:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 20:36:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2023-11-23 20:36:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2023-11-23 20:36:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ops_disconnect_1 [2023-11-23 20:36:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ops_disconnect_1 [2023-11-23 20:36:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2023-11-23 20:36:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2023-11-23 20:36:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-11-23 20:36:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-11-23 20:36:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2023-11-23 20:36:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2023-11-23 20:36:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-23 20:36:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-23 20:36:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 20:36:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 20:36:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 20:36:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 20:36:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2023-11-23 20:36:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2023-11-23 20:36:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2023-11-23 20:36:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2023-11-23 20:36:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-23 20:36:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-23 20:36:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 20:36:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 20:36:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-23 20:36:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-23 20:36:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 20:36:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 20:36:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-23 20:36:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-23 20:36:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-23 20:36:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-23 20:36:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2023-11-23 20:36:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2023-11-23 20:36:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 20:36:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 20:36:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-23 20:36:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-23 20:36:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:36:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:36:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 20:36:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 20:36:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-23 20:36:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-23 20:36:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-23 20:36:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-23 20:36:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-23 20:36:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-23 20:36:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2023-11-23 20:36:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2023-11-23 20:36:08,752 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:08,757 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:39,498 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:47,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:47,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:36:47,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47 BoogieIcfgContainer [2023-11-23 20:36:47,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:47,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:47,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:47,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:47,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:02" (1/3) ... [2023-11-23 20:36:47,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c8a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:06" (2/3) ... [2023-11-23 20:36:47,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c8a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47" (3/3) ... [2023-11-23 20:36:47,131 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2023-11-23 20:36:47,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:47,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:47,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:47,294 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;@234945be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:47,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 2370 states, 1439 states have (on average 1.365531619179986) internal successors, (1965), 1496 states have internal predecessors, (1965), 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) [2023-11-23 20:36:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:36:47,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:47,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:47,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:47,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1912047422, now seen corresponding path program 1 times [2023-11-23 20:36:47,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:47,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636773582] [2023-11-23 20:36:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:47,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:36:48,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:48,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636773582] [2023-11-23 20:36:48,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636773582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:48,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:48,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:48,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656801691] [2023-11-23 20:36:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:48,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:36:48,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:48,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:36:48,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:48,440 INFO L87 Difference]: Start difference. First operand has 2370 states, 1439 states have (on average 1.365531619179986) internal successors, (1965), 1496 states have internal predecessors, (1965), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)