./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 4fc63b2a 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_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.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_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:04,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:05,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:26:05,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:05,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:05,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:05,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:05,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:05,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:05,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:05,057 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:05,058 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:05,058 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:05,059 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:05,059 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:05,060 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:05,060 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:05,060 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:05,061 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:05,061 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:05,062 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:05,062 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:05,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:05,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:05,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:05,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:05,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:05,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:05,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:05,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:05,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:05,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:05,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:05,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:05,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:05,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:05,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:05,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:05,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:05,068 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:05,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:05,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:05,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:05,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:05,074 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2024-11-02 12:26:05,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:05,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:05,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:05,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:05,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:05,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/../../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 Unable to find full path for "g++" [2024-11-02 12:26:07,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:08,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:08,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/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 [2024-11-02 12:26:08,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/data/9f3b08f4f/9fb04e164b4f40929ff748f313557ccf/FLAGaad469d89 [2024-11-02 12:26:08,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/data/9f3b08f4f/9fb04e164b4f40929ff748f313557ccf [2024-11-02 12:26:08,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:08,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:08,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:08,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:08,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:08,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:08" (1/1) ... [2024-11-02 12:26:08,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e30e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:08, skipping insertion in model container [2024-11-02 12:26:08,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:08" (1/1) ... [2024-11-02 12:26:08,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:10,537 WARN L251 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_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/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] [2024-11-02 12:26:10,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:10,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:10,989 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] [2024-11-02 12:26:11,006 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] [2024-11-02 12:26:11,042 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] [2024-11-02 12:26:11,048 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] [2024-11-02 12:26:11,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7805] [2024-11-02 12:26:11,264 WARN L251 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_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/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] [2024-11-02 12:26:11,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:11,447 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:11,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11 WrapperNode [2024-11-02 12:26:11,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:11,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:11,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:11,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:11,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,673 INFO L138 Inliner]: procedures = 262, calls = 1371, calls flagged for inlining = 122, calls inlined = 117, statements flattened = 4095 [2024-11-02 12:26:11,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:11,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:11,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:11,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:11,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:11,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:12,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:12,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:12,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:12,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:12,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (1/1) ... [2024-11-02 12:26:12,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:12,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f29ead-8ffe-4d8f-bd9a-8a1fa43cc476/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-02 12:26:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-02 12:26:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-02 12:26:12,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-02 12:26:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:26:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-02 12:26:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-02 12:26:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-02 12:26:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-02 12:26:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:26:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:26:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:26:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:26:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2024-11-02 12:26:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2024-11-02 12:26:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:26:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:26:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-02 12:26:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-02 12:26:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:26:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:26:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-02 12:26:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-02 12:26:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-02 12:26:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-02 12:26:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:26:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:26:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:26:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:26:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-02 12:26:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-02 12:26:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-02 12:26:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-02 12:26:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-02 12:26:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-02 12:26:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-02 12:26:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-02 12:26:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-02 12:26:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-02 12:26:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-02 12:26:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-02 12:26:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-02 12:26:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-02 12:26:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-02 12:26:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-02 12:26:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:26:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:26:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-02 12:26:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-02 12:26:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-02 12:26:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-02 12:26:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-02 12:26:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-02 12:26:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-02 12:26:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-02 12:26:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-02 12:26:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-02 12:26:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-02 12:26:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-02 12:26:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-02 12:26:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-02 12:26:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-02 12:26:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-02 12:26:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-02 12:26:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-02 12:26:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-02 12:26:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-02 12:26:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-02 12:26:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-02 12:26:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-02 12:26:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-02 12:26:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-02 12:26:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-02 12:26:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-02 12:26:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-02 12:26:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:26:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:26:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-02 12:26:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-02 12:26:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-02 12:26:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-02 12:26:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:26:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:26:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:26:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:26:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-02 12:26:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-02 12:26:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:26:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-02 12:26:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-02 12:26:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:26:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:26:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-02 12:26:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-02 12:26:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-02 12:26:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-02 12:26:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-02 12:26:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-02 12:26:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2024-11-02 12:26:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2024-11-02 12:26:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-02 12:26:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-02 12:26:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-02 12:26:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-02 12:26:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-02 12:26:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-02 12:26:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:26:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:26:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-02 12:26:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-02 12:26:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-02 12:26:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-02 12:26:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-02 12:26:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-02 12:26:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-02 12:26:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-02 12:26:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-02 12:26:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-02 12:26:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-02 12:26:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-02 12:26:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-02 12:26:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-02 12:26:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:26:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:26:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-02 12:26:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-02 12:26:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 12:26:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 12:26:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-02 12:26:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-02 12:26:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-02 12:26:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-02 12:26:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 12:26:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 12:26:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-02 12:26:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-02 12:26:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:26:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:26:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-02 12:26:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-02 12:26:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-02 12:26:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-02 12:26:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-02 12:26:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-02 12:26:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-02 12:26:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-02 12:26:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-02 12:26:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-02 12:26:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-02 12:26:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-02 12:26:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-02 12:26:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-02 12:26:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-02 12:26:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-02 12:26:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-02 12:26:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-02 12:26:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-02 12:26:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-02 12:26:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-02 12:26:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-02 12:26:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2024-11-02 12:26:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2024-11-02 12:26:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-02 12:26:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-02 12:26:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-02 12:26:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-02 12:26:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-02 12:26:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-02 12:26:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-02 12:26:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-02 12:26:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:12,940 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:12,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:14,482 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:26:23,636 INFO L? ?]: Removed 1881 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:23,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:26,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:26,199 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:26:26,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:26 BoogieIcfgContainer [2024-11-02 12:26:26,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:26,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:26,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:26,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:26,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:08" (1/3) ... [2024-11-02 12:26:26,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd049e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:26, skipping insertion in model container [2024-11-02 12:26:26,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:11" (2/3) ... [2024-11-02 12:26:26,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd049e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:26, skipping insertion in model container [2024-11-02 12:26:26,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:26" (3/3) ... [2024-11-02 12:26:26,214 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-02 12:26:26,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:26,235 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:26,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:26,380 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3acaeb05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:26,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 1167 states, 704 states have (on average 1.3025568181818181) internal successors, (917), 734 states have internal predecessors, (917), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 371 states have call predecessors, (371), 371 states have call successors, (371) [2024-11-02 12:26:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-02 12:26:26,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:26,423 INFO L215 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] [2024-11-02 12:26:26,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:26,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:26,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1559988111, now seen corresponding path program 1 times [2024-11-02 12:26:26,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:26,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920630602] [2024-11-02 12:26:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-02 12:26:35,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:35,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920630602] [2024-11-02 12:26:35,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920630602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:35,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:35,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:35,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336082043] [2024-11-02 12:26:35,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:35,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:26:35,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:35,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:26:35,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:26:35,987 INFO L87 Difference]: Start difference. First operand has 1167 states, 704 states have (on average 1.3025568181818181) internal successors, (917), 734 states have internal predecessors, (917), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 371 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)