./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--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx --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 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:48,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:48,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:02:48,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:48,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:48,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:48,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:48,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:48,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:48,650 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:48,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:48,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:48,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:48,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:48,653 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:48,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:48,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:48,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:48,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:48,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:48,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:48,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:48,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:48,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:48,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:48,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:48,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:48,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:48,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:48,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:48,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:48,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:48,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:48,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:48,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:48,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:48,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:48,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:48,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:48,665 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_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2023-11-21 21:02:49,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:49,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:49,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:49,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:49,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:49,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-11-21 21:02:52,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:53,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:53,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-11-21 21:02:53,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/data/0dd56e924/1ada57a1ab1049c1b042a15cf399503b/FLAG3f7382240 [2023-11-21 21:02:53,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/data/0dd56e924/1ada57a1ab1049c1b042a15cf399503b [2023-11-21 21:02:53,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:53,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:53,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:53,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:53,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:53,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:53" (1/1) ... [2023-11-21 21:02:53,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31af8292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:53, skipping insertion in model container [2023-11-21 21:02:53,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:53" (1/1) ... [2023-11-21 21:02:53,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:55,447 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_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-11-21 21:02:55,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:55,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:55,780 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"); [5577] [2023-11-21 21:02:55,782 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)); [5584] [2023-11-21 21:02:55,814 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)); [5925-5926] [2023-11-21 21:02:55,816 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)); [5954-5955] [2023-11-21 21:02:55,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7805] [2023-11-21 21:02:56,075 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_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-11-21 21:02:56,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:56,233 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:56,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56 WrapperNode [2023-11-21 21:02:56,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:56,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:56,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:56,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:56,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:56,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:56,656 INFO L138 Inliner]: procedures = 262, calls = 1371, calls flagged for inlining = 122, calls inlined = 117, statements flattened = 4033 [2023-11-21 21:02:56,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:56,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:56,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:56,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:56,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:56,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:56,702 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,787 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 21:02:57,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:57,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:58,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:58,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:58,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:58,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:58,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (1/1) ... [2023-11-21 21:02:58,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:58,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:58,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a3ed9c-9eb4-4bcc-8dac-99f7a69760a5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-11-21 21:02:58,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-11-21 21:02:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-21 21:02:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-21 21:02:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 21:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 21:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 21:02:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 21:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-11-21 21:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-11-21 21:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 21:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 21:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 21:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 21:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-11-21 21:02:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-11-21 21:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 21:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 21:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 21:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 21:02:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:02:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:02:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 21:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 21:02:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-11-21 21:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-11-21 21:02:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 21:02:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 21:02:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-21 21:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-21 21:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 21:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 21:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-21 21:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-21 21:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 21:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 21:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-21 21:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-21 21:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-11-21 21:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-11-21 21:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-21 21:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-21 21:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 21:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 21:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 21:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 21:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 21:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 21:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-11-21 21:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-11-21 21:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-11-21 21:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-11-21 21:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-21 21:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-21 21:02:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 21:02:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 21:02:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-21 21:02:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-21 21:02:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-11-21 21:02:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-11-21 21:02:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:02:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 21:02:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 21:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 21:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 21:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 21:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 21:02:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 21:02:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 21:02:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-11-21 21:02:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-11-21 21:02:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 21:02:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 21:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-11-21 21:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-11-21 21:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 21:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:02:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-11-21 21:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-11-21 21:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 21:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 21:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 21:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 21:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 21:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 21:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 21:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 21:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 21:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-21 21:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-21 21:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 21:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 21:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-11-21 21:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-11-21 21:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-11-21 21:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-11-21 21:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-11-21 21:02:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-11-21 21:02:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 21:02:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-11-21 21:02:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-11-21 21:02:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 21:02:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 21:02:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:02:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 21:02:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 21:02:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 21:02:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 21:02:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 21:02:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 21:02:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 21:02:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 21:02:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 21:02:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 21:02:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 21:02:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 21:02:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 21:02:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 21:02:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:02:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 21:02:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 21:02:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-21 21:02:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-21 21:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-21 21:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-21 21:02:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-11-21 21:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-11-21 21:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 21:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 21:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-11-21 21:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-11-21 21:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-11-21 21:02:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-11-21 21:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 21:02:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 21:02:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-11-21 21:02:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-11-21 21:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 21:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 21:02:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:02:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-21 21:02:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-21 21:02:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-21 21:02:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-21 21:02:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-11-21 21:02:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-11-21 21:02:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-21 21:02:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-21 21:02:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-11-21 21:02:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-11-21 21:02:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-21 21:02:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-21 21:02:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 21:02:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 21:02:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-11-21 21:02:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-11-21 21:02:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-21 21:02:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-21 21:02:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-11-21 21:02:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-11-21 21:02:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-21 21:02:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-21 21:02:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-11-21 21:02:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-11-21 21:02:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 21:02:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 21:02:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:02:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-11-21 21:02:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-11-21 21:02:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-11-21 21:02:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-11-21 21:02:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-21 21:02:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-21 21:02:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:58,983 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:58,987 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:00,036 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 21:03:05,101 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:08,736 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:08,737 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:03:08,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:08 BoogieIcfgContainer [2023-11-21 21:03:08,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:08,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:08,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:08,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:08,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:53" (1/3) ... [2023-11-21 21:03:08,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d30793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:08, skipping insertion in model container [2023-11-21 21:03:08,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:56" (2/3) ... [2023-11-21 21:03:08,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d30793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:08, skipping insertion in model container [2023-11-21 21:03:08,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:08" (3/3) ... [2023-11-21 21:03:08,750 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-11-21 21:03:08,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:08,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:03:08,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:08,879 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;@4c4d765f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:08,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:03:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1158 states, 695 states have (on average 1.306474820143885) internal successors, (908), 730 states have internal predecessors, (908), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2023-11-21 21:03:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-21 21:03:08,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:08,932 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-21 21:03:08,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:08,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:08,940 INFO L85 PathProgramCache]: Analyzing trace with hash -447635931, now seen corresponding path program 1 times [2023-11-21 21:03:08,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:08,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659805222] [2023-11-21 21:03:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 21:03:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 21:03:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 21:03:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 21:03:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 21:03:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 21:03:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-21 21:03:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-21 21:03:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-21 21:03:10,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:10,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659805222] [2023-11-21 21:03:10,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659805222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:10,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:10,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 21:03:10,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851984397] [2023-11-21 21:03:10,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:10,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 21:03:10,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 21:03:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-21 21:03:10,448 INFO L87 Difference]: Start difference. First operand has 1158 states, 695 states have (on average 1.306474820143885) internal successors, (908), 730 states have internal predecessors, (908), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 21:03:16,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:18,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:19,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:21,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:23,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:32,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:34,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:39,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:42,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:03:43,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []