./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX --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 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:46,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:46,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:12:46,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:46,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:46,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:46,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:46,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:46,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:46,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:46,962 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:46,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:46,963 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:46,965 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:46,966 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:46,966 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:46,966 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:46,967 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:46,967 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:46,968 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:46,968 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:46,969 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:46,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:46,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:46,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:46,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:46,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:46,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:46,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:46,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:46,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:46,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:46,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:46,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:46,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:46,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:46,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:46,975 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:46,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:46,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:46,975 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:46,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:46,976 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_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 [2023-11-12 00:12:47,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:47,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:47,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:47,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:47,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:47,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-12 00:12:50,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:51,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:51,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-12 00:12:51,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/data/28f7fa848/34686fa57e65425b96ab18d94d89ccb1/FLAG44d567d11 [2023-11-12 00:12:51,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/data/28f7fa848/34686fa57e65425b96ab18d94d89ccb1 [2023-11-12 00:12:51,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:51,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:51,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:51,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:51,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:51,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:51" (1/1) ... [2023-11-12 00:12:51,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188a2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:51, skipping insertion in model container [2023-11-12 00:12:51,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:51" (1/1) ... [2023-11-12 00:12:51,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:53,780 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_ae2dada6-215e-45c5-8656-e710aa98806f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-12 00:12:53,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:53,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:54,013 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"); [5328] [2023-11-12 00:12:54,015 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)); [5335] [2023-11-12 00:12:54,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5342] [2023-11-12 00:12:54,020 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5382-5383] [2023-11-12 00:12:54,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5388-5390] [2023-11-12 00:12:54,289 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_ae2dada6-215e-45c5-8656-e710aa98806f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-12 00:12:54,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:54,406 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:54,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54 WrapperNode [2023-11-12 00:12:54,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:54,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:54,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:54,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:54,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,795 INFO L138 Inliner]: procedures = 306, calls = 1495, calls flagged for inlining = 184, calls inlined = 172, statements flattened = 4581 [2023-11-12 00:12:54,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:54,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:54,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:54,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:54,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:54,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:55,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:55,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:55,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:55,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:55,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:55,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:54" (1/1) ... [2023-11-12 00:12:55,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:55,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:55,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2dada6-215e-45c5-8656-e710aa98806f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:12:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:12:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:12:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:12:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2023-11-12 00:12:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2023-11-12 00:12:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:12:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:12:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2023-11-12 00:12:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2023-11-12 00:12:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:12:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:12:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2023-11-12 00:12:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2023-11-12 00:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:12:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2023-11-12 00:12:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2023-11-12 00:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-12 00:12:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-12 00:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:12:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2023-11-12 00:12:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2023-11-12 00:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:12:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:12:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:12:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2023-11-12 00:12:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2023-11-12 00:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2023-11-12 00:12:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2023-11-12 00:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:12:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-11-12 00:12:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-11-12 00:12:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2023-11-12 00:12:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2023-11-12 00:12:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:12:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:12:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2023-11-12 00:12:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2023-11-12 00:12:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:12:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:12:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:12:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:12:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:12:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:12:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:12:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:12:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:12:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:12:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2023-11-12 00:12:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2023-11-12 00:12:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:12:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:12:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:12:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:12:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-11-12 00:12:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-11-12 00:12:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:12:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:12:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 00:12:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 00:12:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:12:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2023-11-12 00:12:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2023-11-12 00:12:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:12:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:12:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2023-11-12 00:12:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2023-11-12 00:12:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:12:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:12:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:12:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:12:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:12:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2023-11-12 00:12:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2023-11-12 00:12:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2023-11-12 00:12:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2023-11-12 00:12:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:12:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:12:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:12:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2023-11-12 00:12:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2023-11-12 00:12:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2023-11-12 00:12:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2023-11-12 00:12:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:12:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:12:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 00:12:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 00:12:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:12:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:12:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2023-11-12 00:12:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2023-11-12 00:12:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2023-11-12 00:12:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2023-11-12 00:12:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:12:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2023-11-12 00:12:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2023-11-12 00:12:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2023-11-12 00:12:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2023-11-12 00:12:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:12:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:12:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2023-11-12 00:12:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2023-11-12 00:12:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:12:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:12:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:12:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:12:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:12:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 00:12:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 00:12:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:12:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:12:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2023-11-12 00:12:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2023-11-12 00:12:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:12:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:12:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:12:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:12:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:12:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2023-11-12 00:12:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2023-11-12 00:12:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:12:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:12:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:12:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:12:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2023-11-12 00:12:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2023-11-12 00:12:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:12:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:12:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2023-11-12 00:12:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2023-11-12 00:12:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:12:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:12:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-12 00:12:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-12 00:12:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:12:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:12:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:12:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:12:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2023-11-12 00:12:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2023-11-12 00:12:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2023-11-12 00:12:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2023-11-12 00:12:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-11-12 00:12:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-11-12 00:12:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2023-11-12 00:12:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2023-11-12 00:12:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 00:12:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 00:12:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:12:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:12:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:12:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:12:56,059 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:56,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:56,589 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:13:51,033 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:13:52,604 INFO L277 CfgBuilder]: Performing block encoding