./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:35:08,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:35:09,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:35:09,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:35:09,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:35:09,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:35:09,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:35:09,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:35:09,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:35:09,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:35:09,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:35:09,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:35:09,216 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:35:09,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:35:09,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:35:09,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:35:09,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:35:09,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:35:09,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:35:09,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:35:09,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:35:09,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:35:09,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:35:09,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:35:09,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:35:09,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:09,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:35:09,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:35:09,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:35:09,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:35:09,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:35:09,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:35:09,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:35:09,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:35:09,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:35:09,230 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:35:09,231 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2023-11-06 22:35:09,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:35:09,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:35:09,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:35:09,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:35:09,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:35:09,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-06 22:35:13,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:35:13,919 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:35:13,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-06 22:35:13,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/data/7f26cbe13/5b4726823f454222846a2c7d70ebb2f4/FLAG6a9155a6a [2023-11-06 22:35:14,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/data/7f26cbe13/5b4726823f454222846a2c7d70ebb2f4 [2023-11-06 22:35:14,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:35:14,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:35:14,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:14,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:35:14,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:35:14,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:14" (1/1) ... [2023-11-06 22:35:14,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56223fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:14, skipping insertion in model container [2023-11-06 22:35:14,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:14" (1/1) ... [2023-11-06 22:35:14,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:35:18,416 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_8671628b-6679-4959-8154-670c6be4cda3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-06 22:35:18,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:18,537 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:35:18,702 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"); [5984] [2023-11-06 22:35:18,705 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)); [5991] [2023-11-06 22:35:18,707 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)); [6005-6006] [2023-11-06 22:35:18,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6133] [2023-11-06 22:35:18,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6136] [2023-11-06 22:35:18,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6139] [2023-11-06 22:35:18,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6142] [2023-11-06 22:35:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9566-9567] [2023-11-06 22:35:19,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9571-9572] [2023-11-06 22:35:19,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9576-9577] [2023-11-06 22:35:19,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9581-9582] [2023-11-06 22:35:19,399 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"); [9608-9609] [2023-11-06 22:35:19,399 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"); [9613-9614] [2023-11-06 22:35:19,400 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"); [9618-9619] [2023-11-06 22:35:19,400 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"); [9623-9624] [2023-11-06 22:35:19,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9652-9653] [2023-11-06 22:35:19,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9657-9658] [2023-11-06 22:35:19,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9662-9663] [2023-11-06 22:35:19,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [9667-9668] [2023-11-06 22:35:19,413 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"); [9692] [2023-11-06 22:35:19,414 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"); [9695] [2023-11-06 22:35:19,414 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"); [9698] [2023-11-06 22:35:19,415 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"); [9701] [2023-11-06 22:35:19,415 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"); [9704] [2023-11-06 22:35:19,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [9758-9759] [2023-11-06 22:35:19,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9763-9764] [2023-11-06 22:35:19,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9768-9769] [2023-11-06 22:35:19,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9773-9774] [2023-11-06 22:35:19,423 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"); [9798-9799] [2023-11-06 22:35:19,423 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"); [9803-9804] [2023-11-06 22:35:19,424 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"); [9808-9809] [2023-11-06 22:35:19,424 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"); [9813-9814] [2023-11-06 22:35:19,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [9841-9842] [2023-11-06 22:35:19,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9846-9847] [2023-11-06 22:35:19,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9851-9852] [2023-11-06 22:35:19,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9856-9857] [2023-11-06 22:35:19,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [10026-10027] [2023-11-06 22:35:19,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [10031-10032] [2023-11-06 22:35:19,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [10036-10037] [2023-11-06 22:35:19,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [10041-10042] [2023-11-06 22:35:19,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [10082-10083] [2023-11-06 22:35:19,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [10087-10088] [2023-11-06 22:35:19,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [10092-10093] [2023-11-06 22:35:19,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [10097-10098] [2023-11-06 22:35:19,862 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_8671628b-6679-4959-8154-670c6be4cda3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-06 22:35:19,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:20,148 WARN L672 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:35:20,148 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:35:20,148 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:35:20,150 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:35:20,151 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:35:20,161 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:35:20,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20 WrapperNode [2023-11-06 22:35:20,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:20,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:20,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:35:20,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:35:20,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:20,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:20,916 INFO L138 Inliner]: procedures = 389, calls = 4177, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 10976 [2023-11-06 22:35:20,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:20,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:35:20,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:35:20,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:35:20,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:20,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:35:21,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:35:21,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:35:21,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:35:21,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (1/1) ... [2023-11-06 22:35:21,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:35:21,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:21,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:21,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8671628b-6679-4959-8154-670c6be4cda3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:35:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-06 22:35:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-06 22:35:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 22:35:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:35:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:35:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:35:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:35:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-06 22:35:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-06 22:35:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 22:35:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 22:35:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-06 22:35:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-06 22:35:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-06 22:35:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-06 22:35:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:35:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:35:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-06 22:35:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-06 22:35:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-06 22:35:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-06 22:35:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-06 22:35:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-06 22:35:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-06 22:35:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-06 22:35:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 22:35:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 22:35:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2023-11-06 22:35:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2023-11-06 22:35:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-06 22:35:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-06 22:35:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-06 22:35:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-06 22:35:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:35:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:35:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2023-11-06 22:35:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2023-11-06 22:35:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-06 22:35:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-06 22:35:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:35:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:35:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-06 22:35:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-06 22:35:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2023-11-06 22:35:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2023-11-06 22:35:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2023-11-06 22:35:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2023-11-06 22:35:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:35:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:35:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-06 22:35:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-06 22:35:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:35:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:35:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2023-11-06 22:35:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2023-11-06 22:35:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:35:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-06 22:35:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-06 22:35:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 22:35:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 22:35:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-06 22:35:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-06 22:35:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-06 22:35:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-06 22:35:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:35:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:35:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-06 22:35:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-06 22:35:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:35:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:35:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 22:35:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 22:35:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-06 22:35:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-06 22:35:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:35:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:35:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:35:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:35:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-06 22:35:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-06 22:35:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-06 22:35:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-06 22:35:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:35:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-06 22:35:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-06 22:35:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:35:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:35:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure install [2023-11-06 22:35:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2023-11-06 22:35:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-11-06 22:35:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-11-06 22:35:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 22:35:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 22:35:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2023-11-06 22:35:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2023-11-06 22:35:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2023-11-06 22:35:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2023-11-06 22:35:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-06 22:35:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-06 22:35:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 22:35:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 22:35:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-06 22:35:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-06 22:35:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-06 22:35:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-06 22:35:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-06 22:35:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-06 22:35:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:35:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:35:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:35:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-06 22:35:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-06 22:35:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:35:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2023-11-06 22:35:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2023-11-06 22:35:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-06 22:35:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-06 22:35:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:35:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2023-11-06 22:35:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2023-11-06 22:35:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:35:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2023-11-06 22:35:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2023-11-06 22:35:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-06 22:35:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-06 22:35:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2023-11-06 22:35:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2023-11-06 22:35:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-11-06 22:35:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-11-06 22:35:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2023-11-06 22:35:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2023-11-06 22:35:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2023-11-06 22:35:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2023-11-06 22:35:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 22:35:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 22:35:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2023-11-06 22:35:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2023-11-06 22:35:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-06 22:35:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-06 22:35:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-06 22:35:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-06 22:35:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2023-11-06 22:35:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2023-11-06 22:35:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:35:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:35:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:35:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:35:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-06 22:35:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-06 22:35:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2023-11-06 22:35:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2023-11-06 22:35:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:35:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:35:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2023-11-06 22:35:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2023-11-06 22:35:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 22:35:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 22:35:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-06 22:35:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-06 22:35:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:35:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:35:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:35:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:35:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-06 22:35:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-06 22:35:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:35:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:35:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 22:35:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 22:35:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2023-11-06 22:35:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2023-11-06 22:35:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2023-11-06 22:35:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2023-11-06 22:35:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2023-11-06 22:35:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2023-11-06 22:35:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-06 22:35:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-06 22:35:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:35:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:35:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:35:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:35:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-06 22:35:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-06 22:35:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2023-11-06 22:35:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2023-11-06 22:35:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:35:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:35:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:35:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:35:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:35:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:35:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 22:35:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 22:35:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-06 22:35:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-06 22:35:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-06 22:35:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-06 22:35:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-06 22:35:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-06 22:35:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:35:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:35:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:35:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2023-11-06 22:35:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2023-11-06 22:35:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:35:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 22:35:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 22:35:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-06 22:35:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-06 22:35:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:35:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-06 22:35:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-06 22:35:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:35:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:35:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-06 22:35:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-06 22:35:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 22:35:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 22:35:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:35:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:35:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-06 22:35:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-06 22:35:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-06 22:35:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-06 22:35:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2023-11-06 22:35:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2023-11-06 22:35:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-06 22:35:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-06 22:35:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-06 22:35:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-06 22:35:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:35:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:35:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-06 22:35:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-06 22:35:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2023-11-06 22:35:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2023-11-06 22:35:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2023-11-06 22:35:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2023-11-06 22:35:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-06 22:35:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-06 22:35:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-06 22:35:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-06 22:35:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:35:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:35:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2023-11-06 22:35:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2023-11-06 22:35:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 22:35:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 22:35:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:35:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:35:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:35:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2023-11-06 22:35:21,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2023-11-06 22:35:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2023-11-06 22:35:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2023-11-06 22:35:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:35:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:35:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 22:35:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 22:35:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 22:35:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 22:35:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-06 22:35:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-06 22:35:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 22:35:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 22:35:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2023-11-06 22:35:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2023-11-06 22:35:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2023-11-06 22:35:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2023-11-06 22:35:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-06 22:35:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-06 22:35:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:35:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:35:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2023-11-06 22:35:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2023-11-06 22:35:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-06 22:35:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-06 22:35:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 22:35:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 22:35:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-06 22:35:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-06 22:35:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-06 22:35:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-06 22:35:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:35:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-06 22:35:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-06 22:35:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-06 22:35:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-06 22:35:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-06 22:35:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-06 22:35:23,317 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:35:23,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:35:23,668 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:36:03,034 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:03,072 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:03,073 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:36:03,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:03 BoogieIcfgContainer [2023-11-06 22:36:03,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:03,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:03,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:03,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:03,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:14" (1/3) ... [2023-11-06 22:36:03,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:03, skipping insertion in model container [2023-11-06 22:36:03,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:20" (2/3) ... [2023-11-06 22:36:03,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:03, skipping insertion in model container [2023-11-06 22:36:03,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:03" (3/3) ... [2023-11-06 22:36:03,099 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-06 22:36:03,123 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:03,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:03,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:03,483 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@797aef08, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:03,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 4224 states, 3128 states have (on average 1.493925831202046) internal successors, (4673), 3217 states have internal predecessors, (4673), 960 states have call successors, (960), 135 states have call predecessors, (960), 134 states have return successors, (948), 933 states have call predecessors, (948), 948 states have call successors, (948) [2023-11-06 22:36:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-11-06 22:36:03,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:03,575 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:03,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:03,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:03,587 INFO L85 PathProgramCache]: Analyzing trace with hash -557679666, now seen corresponding path program 1 times [2023-11-06 22:36:03,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:03,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655484331] [2023-11-06 22:36:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:03,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:36:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:36:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:36:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:36:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:36:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:36:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:36:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:36:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:36:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:36:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:36:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:36:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:36:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:36:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:36:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 22:36:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 22:36:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-06 22:36:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-06 22:36:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-06 22:36:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-06 22:36:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-06 22:36:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 22:36:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-06 22:36:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-06 22:36:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:36:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-06 22:36:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2023-11-06 22:36:05,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:05,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655484331] [2023-11-06 22:36:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655484331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:05,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:05,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:36:05,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614218234] [2023-11-06 22:36:05,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:05,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:36:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:36:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:36:05,974 INFO L87 Difference]: Start difference. First operand has 4224 states, 3128 states have (on average 1.493925831202046) internal successors, (4673), 3217 states have internal predecessors, (4673), 960 states have call successors, (960), 135 states have call predecessors, (960), 134 states have return successors, (948), 933 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 22:36:10,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:12,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:14,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:16,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:23,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:25,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:27,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:30,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:32,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:34,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:36,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:39,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:41,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:43,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:47,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:49,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:51,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:53,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:55,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:57,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:36:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:01,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:03,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:06,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:08,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:10,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:12,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:14,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:16,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:17,476 INFO L93 Difference]: Finished difference Result 9215 states and 14687 transitions. [2023-11-06 22:37:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:37:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 367 [2023-11-06 22:37:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:17,571 INFO L225 Difference]: With dead ends: 9215 [2023-11-06 22:37:17,571 INFO L226 Difference]: Without dead ends: 4974 [2023-11-06 22:37:17,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:37:17,620 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 5115 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 3858 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5159 SdHoareTripleChecker+Valid, 8824 SdHoareTripleChecker+Invalid, 6616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3858 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:17,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5159 Valid, 8824 Invalid, 6616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3858 Valid, 2730 Invalid, 28 Unknown, 0 Unchecked, 70.6s Time] [2023-11-06 22:37:17,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4974 states. [2023-11-06 22:37:18,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4974 to 4202. [2023-11-06 22:37:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4202 states, 3121 states have (on average 1.468760012816405) internal successors, (4584), 3196 states have internal predecessors, (4584), 947 states have call successors, (947), 134 states have call predecessors, (947), 133 states have return successors, (946), 931 states have call predecessors, (946), 946 states have call successors, (946) [2023-11-06 22:37:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 4202 states and 6477 transitions. [2023-11-06 22:37:18,090 INFO L78 Accepts]: Start accepts. Automaton has 4202 states and 6477 transitions. Word has length 367 [2023-11-06 22:37:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:18,093 INFO L495 AbstractCegarLoop]: Abstraction has 4202 states and 6477 transitions. [2023-11-06 22:37:18,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 22:37:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4202 states and 6477 transitions. [2023-11-06 22:37:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-11-06 22:37:18,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:18,109 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:18,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:37:18,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:18,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:18,111 INFO L85 PathProgramCache]: Analyzing trace with hash -367417352, now seen corresponding path program 1 times [2023-11-06 22:37:18,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:18,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989601011] [2023-11-06 22:37:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:18,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:37:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:37:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:37:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:37:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:37:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:37:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:37:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:37:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:37:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:37:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:37:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:37:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:37:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:37:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-06 22:37:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-06 22:37:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-06 22:37:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-06 22:37:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-06 22:37:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-06 22:37:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-06 22:37:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-06 22:37:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 22:37:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-06 22:37:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-06 22:37:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-06 22:37:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-06 22:37:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2023-11-06 22:37:19,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:19,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989601011] [2023-11-06 22:37:19,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989601011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:19,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:19,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:37:19,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177289298] [2023-11-06 22:37:19,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:19,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:37:19,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:19,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:37:19,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:37:19,633 INFO L87 Difference]: Start difference. First operand 4202 states and 6477 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-06 22:37:23,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:25,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:27,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:29,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:32,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:34,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:36,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:41,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:43,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:45,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:52,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:57,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:37:59,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:01,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:03,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:05,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:08,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:10,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:12,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:15,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:17,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:19,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:25,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:27,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:29,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:32,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:34,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:36,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:38,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:40,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:42,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:44,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:48,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:50,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:52,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:54,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:57,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:38:59,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:39:01,015 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 []