./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--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:04,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:04,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:04,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:04,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:04,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:04,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:04,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:04,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:04,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:04,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:04,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:04,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:04,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:04,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:04,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:04,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:04,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:04,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:04,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:04,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:04,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:04,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:04,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:04,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:04,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:04,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:04,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:04,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:04,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:04,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:04,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:04,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:04,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:04,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:04,932 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:04,932 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2023-11-19 07:47:05,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:05,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:05,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:05,315 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:05,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:05,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-19 07:47:08,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:09,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:09,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-19 07:47:09,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/data/76737a25c/6d0beb725d5b40a19bd8df8b02fb584c/FLAG36151491a [2023-11-19 07:47:09,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/data/76737a25c/6d0beb725d5b40a19bd8df8b02fb584c [2023-11-19 07:47:09,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:09,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:09,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:09,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:09,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:09,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:09" (1/1) ... [2023-11-19 07:47:09,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fc65db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:09, skipping insertion in model container [2023-11-19 07:47:09,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:09" (1/1) ... [2023-11-19 07:47:09,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:13,859 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_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2023-11-19 07:47:13,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:14,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:14,155 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"); [5726] [2023-11-19 07:47:14,157 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)); [5733] [2023-11-19 07:47:14,158 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5741-5742] [2023-11-19 07:47:14,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2023-11-19 07:47:14,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2023-11-19 07:47:14,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5937] [2023-11-19 07:47:14,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5945] [2023-11-19 07:47:14,241 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)); [6193-6194] [2023-11-19 07:47:14,249 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)); [6222-6223] [2023-11-19 07:47:14,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-19 07:47:14,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7152] [2023-11-19 07:47:14,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7505] [2023-11-19 07:47:14,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7513] [2023-11-19 07:47:14,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7849] [2023-11-19 07:47:14,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7851] [2023-11-19 07:47:14,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10163] [2023-11-19 07:47:14,704 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_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2023-11-19 07:47:14,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:14,900 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:14,901 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:14,901 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:14,901 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:14,910 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:14,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14 WrapperNode [2023-11-19 07:47:14,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:14,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:14,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:14,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:14,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:15,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:15,462 INFO L138 Inliner]: procedures = 333, calls = 3770, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 8428 [2023-11-19 07:47:15,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:15,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:15,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:15,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:15,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:15,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:15,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:15,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:16,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:16,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:16,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:16,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (1/1) ... [2023-11-19 07:47:16,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:16,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:16,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2e7f3-5a4f-4f74-ad81-6a9dad06a1fc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-19 07:47:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-19 07:47:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:47:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:47:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-19 07:47:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-19 07:47:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:47:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:47:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:47:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:47:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2023-11-19 07:47:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2023-11-19 07:47:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:47:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:47:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-19 07:47:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-19 07:47:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 07:47:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 07:47:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:47:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:47:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-19 07:47:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-19 07:47:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:47:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:47:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-19 07:47:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-19 07:47:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:47:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:47:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-19 07:47:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-19 07:47:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-19 07:47:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-19 07:47:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-19 07:47:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-19 07:47:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-19 07:47:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-19 07:47:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-19 07:47:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-19 07:47:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:47:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:47:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-19 07:47:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-19 07:47:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-19 07:47:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-19 07:47:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-19 07:47:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-19 07:47:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:47:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:47:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-19 07:47:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-19 07:47:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-19 07:47:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-19 07:47:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-19 07:47:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-19 07:47:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:47:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:47:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-19 07:47:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-19 07:47:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-19 07:47:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-19 07:47:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:47:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:47:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-19 07:47:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-19 07:47:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-19 07:47:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-19 07:47:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:47:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:47:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-19 07:47:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-19 07:47:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-19 07:47:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-19 07:47:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-19 07:47:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-19 07:47:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-19 07:47:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-19 07:47:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-19 07:47:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-19 07:47:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 07:47:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 07:47:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:47:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-19 07:47:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-19 07:47:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 07:47:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 07:47:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:47:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-19 07:47:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-19 07:47:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-19 07:47:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-19 07:47:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-19 07:47:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-19 07:47:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-19 07:47:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-19 07:47:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:47:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:47:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-19 07:47:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-19 07:47:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:47:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-19 07:47:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-19 07:47:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-19 07:47:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-19 07:47:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:47:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:47:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:47:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:47:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:47:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:47:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-19 07:47:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-19 07:47:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 07:47:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-19 07:47:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-19 07:47:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-19 07:47:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-19 07:47:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 07:47:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 07:47:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-19 07:47:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-19 07:47:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:47:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:47:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:47:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:47:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:47:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:47:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-19 07:47:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-19 07:47:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:47:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:47:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-19 07:47:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-19 07:47:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 07:47:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 07:47:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:47:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:47:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:47:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:47:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-19 07:47:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-19 07:47:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-19 07:47:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-19 07:47:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:47:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:47:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:47:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:47:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 07:47:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 07:47:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-19 07:47:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-19 07:47:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:47:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-19 07:47:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-19 07:47:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-19 07:47:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-19 07:47:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-19 07:47:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-19 07:47:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:47:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:47:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:47:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:47:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:47:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:47:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-19 07:47:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-19 07:47:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:47:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-19 07:47:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-19 07:47:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:47:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:47:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:47:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:47:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:47:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:47:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-19 07:47:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-19 07:47:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:47:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:47:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-19 07:47:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-19 07:47:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-19 07:47:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-19 07:47:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:47:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:47:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:47:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:47:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-19 07:47:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-19 07:47:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-19 07:47:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-19 07:47:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:47:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:47:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:47:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:47:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:47:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:47:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-19 07:47:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-19 07:47:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:47:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:47:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-19 07:47:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-19 07:47:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 07:47:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 07:47:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-19 07:47:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-19 07:47:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:47:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:47:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-19 07:47:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-19 07:47:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:47:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:47:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-19 07:47:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-19 07:47:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:47:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:47:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-19 07:47:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-19 07:47:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-19 07:47:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-19 07:47:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:47:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:47:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:47:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:47:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:47:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-19 07:47:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-19 07:47:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-19 07:47:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-19 07:47:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-19 07:47:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-19 07:47:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:47:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:47:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-19 07:47:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-19 07:47:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-19 07:47:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-19 07:47:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-19 07:47:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-19 07:47:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-19 07:47:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-19 07:47:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-19 07:47:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-19 07:47:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-19 07:47:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-19 07:47:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-19 07:47:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-19 07:47:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-19 07:47:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-19 07:47:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-19 07:47:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-19 07:47:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-19 07:47:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-19 07:47:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-19 07:47:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-19 07:47:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-19 07:47:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-19 07:47:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-19 07:47:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-19 07:47:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-19 07:47:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-19 07:47:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:47:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:47:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 07:47:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 07:47:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-19 07:47:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-19 07:47:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 07:47:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 07:47:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-19 07:47:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-19 07:47:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-19 07:47:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-19 07:47:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-19 07:47:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-19 07:47:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-19 07:47:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-19 07:47:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-19 07:47:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-19 07:47:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:47:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-19 07:47:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-19 07:47:18,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:18,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:18,722 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:47:39,391 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:39,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:39,468 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-19 07:47:39,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:39 BoogieIcfgContainer [2023-11-19 07:47:39,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:39,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:39,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:39,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:39,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:09" (1/3) ... [2023-11-19 07:47:39,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c13de6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:39, skipping insertion in model container [2023-11-19 07:47:39,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:14" (2/3) ... [2023-11-19 07:47:39,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c13de6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:39, skipping insertion in model container [2023-11-19 07:47:39,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:39" (3/3) ... [2023-11-19 07:47:39,506 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-19 07:47:39,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:39,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:39,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:39,700 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@1bd05232, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:39,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 4429 states, 3382 states have (on average 1.4923122412773506) internal successors, (5047), 3444 states have internal predecessors, (5047), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 906 states have call predecessors, (917), 917 states have call successors, (917) [2023-11-19 07:47:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 07:47:39,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:39,756 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:39,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:39,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2018187330, now seen corresponding path program 1 times [2023-11-19 07:47:39,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:39,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042941881] [2023-11-19 07:47:39,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:47:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:47:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:47:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 07:47:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:47:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 07:47:41,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:41,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042941881] [2023-11-19 07:47:41,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042941881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:41,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:41,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:47:41,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581536829] [2023-11-19 07:47:41,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:41,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:41,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:41,574 INFO L87 Difference]: Start difference. First operand has 4429 states, 3382 states have (on average 1.4923122412773506) internal successors, (5047), 3444 states have internal predecessors, (5047), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 906 states have call predecessors, (917), 917 states have call successors, (917) Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:47:43,661 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 [] [2023-11-19 07:47:45,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:47,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []