./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--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:07,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:07,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:07,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:07,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:08,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:08,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:08,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:08,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:08,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:08,028 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:08,029 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:08,029 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:08,031 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:08,031 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:08,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:08,032 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:08,033 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:08,033 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:08,034 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:08,034 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:08,035 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:08,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:08,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:08,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:08,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:08,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:08,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:08,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:08,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:08,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:08,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:08,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:08,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:08,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:08,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:08,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:08,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:08,043 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:08,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:08,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:08,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:08,045 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:08,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:08,046 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2023-11-23 21:12:08,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:08,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:08,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:08,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:08,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:08,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-11-23 21:12:11,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:12,386 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:12,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-11-23 21:12:12,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/data/1e005d7f7/113ccdc3f31f4e6b99eee68ee2528742/FLAGb2623cf19 [2023-11-23 21:12:12,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/data/1e005d7f7/113ccdc3f31f4e6b99eee68ee2528742 [2023-11-23 21:12:12,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:12,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:12,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:12,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:12,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:12,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:12" (1/1) ... [2023-11-23 21:12:12,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e95773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:12, skipping insertion in model container [2023-11-23 21:12:12,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:12" (1/1) ... [2023-11-23 21:12:12,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:15,160 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_c1f0a81d-edea-4066-b733-797fa4edc977/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2023-11-23 21:12:15,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:15,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:15,464 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"); [5649] [2023-11-23 21:12:15,466 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)); [5656] [2023-11-23 21:12:15,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5786] [2023-11-23 21:12:15,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5789] [2023-11-23 21:12:15,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5792] [2023-11-23 21:12:15,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5795] [2023-11-23 21:12:15,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5896] [2023-11-23 21:12:15,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5904] [2023-11-23 21:12:15,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5930] [2023-11-23 21:12:15,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5938] [2023-11-23 21:12:15,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5945] [2023-11-23 21:12:15,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5953] [2023-11-23 21:12:15,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6141-6142] [2023-11-23 21:12:15,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6170-6171] [2023-11-23 21:12:15,752 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_c1f0a81d-edea-4066-b733-797fa4edc977/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2023-11-23 21:12:15,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:16,018 WARN L675 CHandler]: The function __request_region is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:16,018 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:16,026 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:16,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16 WrapperNode [2023-11-23 21:12:16,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:16,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:16,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:16,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:16,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,420 INFO L138 Inliner]: procedures = 299, calls = 2142, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 5884 [2023-11-23 21:12:16,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:16,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:16,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:16,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:16,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:16,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:16,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:16,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:16,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:16,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:16,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2023-11-23 21:12:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2023-11-23 21:12:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2023-11-23 21:12:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2023-11-23 21:12:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:12:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:12:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:12:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:12:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:12:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:12:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:12:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:12:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:12:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:12:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2023-11-23 21:12:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2023-11-23 21:12:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:12:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:12:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:12:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:12:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2023-11-23 21:12:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2023-11-23 21:12:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:12:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:12:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2023-11-23 21:12:16,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2023-11-23 21:12:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2023-11-23 21:12:16,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2023-11-23 21:12:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2023-11-23 21:12:16,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2023-11-23 21:12:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:12:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:12:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:12:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:12:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:12:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:12:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-23 21:12:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-23 21:12:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:12:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:12:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:12:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:12:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2023-11-23 21:12:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2023-11-23 21:12:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2023-11-23 21:12:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2023-11-23 21:12:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:12:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:12:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-23 21:12:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-23 21:12:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:12:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:12:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2023-11-23 21:12:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2023-11-23 21:12:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2023-11-23 21:12:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2023-11-23 21:12:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:12:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:12:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-23 21:12:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-23 21:12:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:12:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:12:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:12:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:12:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:12:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:12:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2023-11-23 21:12:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2023-11-23 21:12:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:12:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:12:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:12:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:12:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:12:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:12:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2023-11-23 21:12:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2023-11-23 21:12:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 21:12:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 21:12:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2023-11-23 21:12:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2023-11-23 21:12:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:12:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:12:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-23 21:12:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-23 21:12:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:12:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:12:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:12:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:12:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:12:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:12:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:12:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:12:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:12:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:12:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2023-11-23 21:12:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2023-11-23 21:12:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2023-11-23 21:12:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2023-11-23 21:12:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:12:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:12:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2023-11-23 21:12:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2023-11-23 21:12:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2023-11-23 21:12:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2023-11-23 21:12:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2023-11-23 21:12:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2023-11-23 21:12:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:12:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:12:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2023-11-23 21:12:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2023-11-23 21:12:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:12:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:12:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:12:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:12:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:12:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:12:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:12:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:12:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2023-11-23 21:12:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2023-11-23 21:12:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2023-11-23 21:12:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2023-11-23 21:12:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2023-11-23 21:12:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2023-11-23 21:12:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:12:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:12:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2023-11-23 21:12:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2023-11-23 21:12:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2023-11-23 21:12:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2023-11-23 21:12:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:12:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:12:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:12:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:12:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2023-11-23 21:12:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2023-11-23 21:12:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2023-11-23 21:12:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2023-11-23 21:12:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2023-11-23 21:12:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2023-11-23 21:12:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2023-11-23 21:12:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2023-11-23 21:12:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2023-11-23 21:12:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2023-11-23 21:12:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:12:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:12:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:12:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:12:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:12:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:12:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-23 21:12:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-23 21:12:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2023-11-23 21:12:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2023-11-23 21:12:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:12:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:12:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2023-11-23 21:12:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2023-11-23 21:12:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:12:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:12:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:12:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:12:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:12:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:12:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2023-11-23 21:12:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2023-11-23 21:12:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-23 21:12:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-23 21:12:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2023-11-23 21:12:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2023-11-23 21:12:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2023-11-23 21:12:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2023-11-23 21:12:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2023-11-23 21:12:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2023-11-23 21:12:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:12:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:12:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:12:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:12:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:12:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:12:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:12:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:12:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:12:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:12:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2023-11-23 21:12:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2023-11-23 21:12:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:12:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2023-11-23 21:12:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2023-11-23 21:12:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:12:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:12:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:12:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:12:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 21:12:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 21:12:17,963 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:17,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:18,596 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:12:22,847 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !(0 == ~debug~0); [2023-11-23 21:12:22,847 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet335#1 := 0; [2023-11-23 21:12:22,847 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret344#1;havoc tlan_eisa_probe_#t~ret344#1; [2023-11-23 21:12:22,847 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret344#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret345#1;havoc tlan_eisa_probe_#t~ret345#1; [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret345#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret346#1;havoc tlan_eisa_probe_#t~ret346#1; [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret346#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2023-11-23 21:12:22,849 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0; [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret348#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060-1: assume -2147483648 <= tlan_eisa_probe_#t~ret347#1 && tlan_eisa_probe_#t~ret347#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret347#1; [2023-11-23 21:12:22,850 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7060: SUMMARY for call tlan_eisa_probe_#t~ret347#1 := printk(45, 0); srcloc: null [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret348#1;havoc tlan_eisa_probe_#t~ret348#1;tlan_eisa_probe_#t~switch349#1 := 16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch349#1; [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 5; [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume !(16 == ~debug~0); [2023-11-23 21:12:22,851 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume 16 == ~debug~0; [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume !(16 == ~debug~0); [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##455: assume 16 == ~debug~0; [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 9; [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 10; [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := tlan_eisa_probe_#t~switch349#1 || 128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:12:22,852 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_~irq~0#1 := 11; [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch349#1;tlan_eisa_probe_#t~switch349#1 := true; [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch349#1; [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch349#1; [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret350#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret350#1 && tlan_eisa_probe_#t~ret350#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret350#1;havoc tlan_eisa_probe_#t~ret350#1; [2023-11-23 21:12:22,853 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085-1: assume -2147483648 <= tlan_eisa_probe_#t~ret351#1 && tlan_eisa_probe_#t~ret351#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret351#1; [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7085: SUMMARY for call tlan_eisa_probe_#t~ret351#1 := printk(46, 0); srcloc: null [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-3: assume 0 != tlan_eisa_probe_#t~nondet335#1;havoc tlan_eisa_probe_#t~nondet335#1; [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-3: assume !(0 != tlan_eisa_probe_#t~nondet335#1);havoc tlan_eisa_probe_#t~nondet335#1; [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet335#1 := ~debug~0; [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet335#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet335#1 <= 16;assume tlan_eisa_probe_#t~nondet335#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet335#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet335#1 >= -2147483648; [2023-11-23 21:12:22,854 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet338#1 := 0; [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-5: assume !(0 == ~debug~0); [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret336#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret336#1;havoc tlan_eisa_probe_#t~ret336#1; [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023-1: assume -2147483648 <= tlan_eisa_probe_#t~ret337#1 && tlan_eisa_probe_#t~ret337#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret337#1; [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7023: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := printk(42, 0); srcloc: null [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2023-11-23 21:12:22,855 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091-1: assume -2147483648 <= tlan_eisa_probe_#t~ret352#1 && tlan_eisa_probe_#t~ret352#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret352#1; [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7091: SUMMARY for call tlan_eisa_probe_#t~ret352#1 := printk(47, 0); srcloc: null [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-3: assume 0 != tlan_eisa_probe_#t~nondet338#1;havoc tlan_eisa_probe_#t~nondet338#1; [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-3: assume !(0 != tlan_eisa_probe_#t~nondet338#1);havoc tlan_eisa_probe_#t~nondet338#1; [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet338#1 := ~debug~0; [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet338#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet338#1 <= 16;assume tlan_eisa_probe_#t~nondet338#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet338#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet338#1 >= -2147483648; [2023-11-23 21:12:22,856 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet341#1 := 0; [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-5: assume !(0 == ~debug~0); [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret339#1;havoc tlan_eisa_probe_#t~ret339#1; [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret339#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028-1: assume -2147483648 <= tlan_eisa_probe_#t~ret340#1 && tlan_eisa_probe_#t~ret340#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret340#1; [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7028: SUMMARY for call tlan_eisa_probe_#t~ret340#1 := printk(43, 0); srcloc: null [2023-11-23 21:12:22,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet341#1 := ~debug~0; [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet341#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet341#1 <= 16;assume tlan_eisa_probe_#t~nondet341#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet341#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet341#1 >= -2147483648; [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-5: call tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset;havoc tlan_eisa_probe_#t~ret343#1.base, tlan_eisa_probe_#t~ret343#1.offset; [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-3: assume 0 != tlan_eisa_probe_#t~nondet341#1;havoc tlan_eisa_probe_#t~nondet341#1; [2023-11-23 21:12:22,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-3: assume !(0 != tlan_eisa_probe_#t~nondet341#1);havoc tlan_eisa_probe_#t~nondet341#1; [2023-11-23 21:12:22,859 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032-1: assume -2147483648 <= tlan_eisa_probe_#t~ret342#1 && tlan_eisa_probe_#t~ret342#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret342#1; [2023-11-23 21:12:22,859 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7032: SUMMARY for call tlan_eisa_probe_#t~ret342#1 := printk(44, 0); srcloc: null [2023-11-23 21:12:22,859 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2023-11-23 21:12:22,859 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2023-11-23 21:12:23,065 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:27,200 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:27,200 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:12:27,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:27 BoogieIcfgContainer [2023-11-23 21:12:27,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:27,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:27,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:27,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:27,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:12" (1/3) ... [2023-11-23 21:12:27,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435c3959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:27, skipping insertion in model container [2023-11-23 21:12:27,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16" (2/3) ... [2023-11-23 21:12:27,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435c3959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:27, skipping insertion in model container [2023-11-23 21:12:27,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:27" (3/3) ... [2023-11-23 21:12:27,212 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2023-11-23 21:12:27,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:27,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:27,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:27,327 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e108642, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:27,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 1839 states, 1095 states have (on average 1.2876712328767124) internal successors, (1410), 1145 states have internal predecessors, (1410), 640 states have call successors, (640), 103 states have call predecessors, (640), 102 states have return successors, (632), 622 states have call predecessors, (632), 632 states have call successors, (632) [2023-11-23 21:12:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 21:12:27,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:27,379 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:27,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:27,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:27,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1741761910, now seen corresponding path program 1 times [2023-11-23 21:12:27,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:27,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136532625] [2023-11-23 21:12:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-11-23 21:12:29,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:29,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136532625] [2023-11-23 21:12:29,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136532625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:29,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:29,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:29,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246958189] [2023-11-23 21:12:29,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:29,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:29,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:29,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:29,114 INFO L87 Difference]: Start difference. First operand has 1839 states, 1095 states have (on average 1.2876712328767124) internal successors, (1410), 1145 states have internal predecessors, (1410), 640 states have call successors, (640), 103 states have call predecessors, (640), 102 states have return successors, (632), 622 states have call predecessors, (632), 632 states have call successors, (632) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:12:31,710 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 [] [2023-11-23 21:12:33,715 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 [] [2023-11-23 21:12:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:36,200 INFO L93 Difference]: Finished difference Result 3670 states and 5386 transitions. [2023-11-23 21:12:36,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:36,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2023-11-23 21:12:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:36,260 INFO L225 Difference]: With dead ends: 3670 [2023-11-23 21:12:36,260 INFO L226 Difference]: Without dead ends: 1824 [2023-11-23 21:12:36,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:36,292 INFO L413 NwaCegarLoop]: 2357 mSDtfsCounter, 12 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:36,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4711 Invalid, 649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 645 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:12:36,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2023-11-23 21:12:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1808. [2023-11-23 21:12:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1081 states have (on average 1.2765957446808511) internal successors, (1380), 1121 states have internal predecessors, (1380), 626 states have call successors, (626), 101 states have call predecessors, (626), 100 states have return successors, (625), 615 states have call predecessors, (625), 625 states have call successors, (625) [2023-11-23 21:12:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2631 transitions. [2023-11-23 21:12:36,587 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2631 transitions. Word has length 149 [2023-11-23 21:12:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:36,591 INFO L495 AbstractCegarLoop]: Abstraction has 1808 states and 2631 transitions. [2023-11-23 21:12:36,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:12:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2631 transitions. [2023-11-23 21:12:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 21:12:36,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:36,615 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:36,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:36,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:36,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash 445336311, now seen corresponding path program 1 times [2023-11-23 21:12:36,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:36,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102223173] [2023-11-23 21:12:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-23 21:12:37,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:37,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102223173] [2023-11-23 21:12:37,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102223173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:37,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:37,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:37,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784385536] [2023-11-23 21:12:37,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:37,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:37,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:37,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:37,563 INFO L87 Difference]: Start difference. First operand 1808 states and 2631 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 21:12:40,157 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 [] [2023-11-23 21:12:42,163 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 [] [2023-11-23 21:12:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:45,195 INFO L93 Difference]: Finished difference Result 5171 states and 7527 transitions. [2023-11-23 21:12:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:45,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2023-11-23 21:12:45,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:45,235 INFO L225 Difference]: With dead ends: 5171 [2023-11-23 21:12:45,236 INFO L226 Difference]: Without dead ends: 3388 [2023-11-23 21:12:45,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:45,255 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 2325 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2325 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:45,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2325 Valid, 4924 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 713 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-11-23 21:12:45,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2023-11-23 21:12:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3383. [2023-11-23 21:12:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 2015 states have (on average 1.2719602977667495) internal successors, (2563), 2092 states have internal predecessors, (2563), 1182 states have call successors, (1182), 186 states have call predecessors, (1182), 185 states have return successors, (1181), 1160 states have call predecessors, (1181), 1181 states have call successors, (1181) [2023-11-23 21:12:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4926 transitions. [2023-11-23 21:12:45,523 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4926 transitions. Word has length 159 [2023-11-23 21:12:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:45,526 INFO L495 AbstractCegarLoop]: Abstraction has 3383 states and 4926 transitions. [2023-11-23 21:12:45,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 21:12:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4926 transitions. [2023-11-23 21:12:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:12:45,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:45,535 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:45,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:12:45,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:45,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1369905372, now seen corresponding path program 1 times [2023-11-23 21:12:45,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:45,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443449926] [2023-11-23 21:12:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:45,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-23 21:12:46,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443449926] [2023-11-23 21:12:46,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443449926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:46,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:46,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:46,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623492640] [2023-11-23 21:12:46,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:46,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:46,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:46,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:46,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:46,220 INFO L87 Difference]: Start difference. First operand 3383 states and 4926 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:12:48,446 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 [] [2023-11-23 21:12:50,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:52,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:55,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:55,625 INFO L93 Difference]: Finished difference Result 9591 states and 13939 transitions. [2023-11-23 21:12:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:55,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2023-11-23 21:12:55,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:55,700 INFO L225 Difference]: With dead ends: 9591 [2023-11-23 21:12:55,700 INFO L226 Difference]: Without dead ends: 6236 [2023-11-23 21:12:55,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:55,737 INFO L413 NwaCegarLoop]: 2410 mSDtfsCounter, 2263 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 4598 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:55,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 4598 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 710 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-11-23 21:12:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6236 states. [2023-11-23 21:12:56,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6236 to 6227. [2023-11-23 21:12:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6227 states, 3688 states have (on average 1.262472885032538) internal successors, (4656), 3845 states have internal predecessors, (4656), 2192 states have call successors, (2192), 348 states have call predecessors, (2192), 346 states have return successors, (2193), 2143 states have call predecessors, (2193), 2191 states have call successors, (2193) [2023-11-23 21:12:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 6227 states and 9041 transitions. [2023-11-23 21:12:56,197 INFO L78 Accepts]: Start accepts. Automaton has 6227 states and 9041 transitions. Word has length 165 [2023-11-23 21:12:56,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:56,198 INFO L495 AbstractCegarLoop]: Abstraction has 6227 states and 9041 transitions. [2023-11-23 21:12:56,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:12:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 9041 transitions. [2023-11-23 21:12:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:12:56,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:56,204 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:56,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:12:56,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:56,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash 915479014, now seen corresponding path program 1 times [2023-11-23 21:12:56,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769260189] [2023-11-23 21:12:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:56,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-23 21:12:57,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769260189] [2023-11-23 21:12:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769260189] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905092063] [2023-11-23 21:12:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:57,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:57,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:57,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f0a81d-edea-4066-b733-797fa4edc977/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process