./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 30e01a73 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_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.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_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:47,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:47,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:14:47,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:47,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:47,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:47,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:47,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:47,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:47,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:47,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:47,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:47,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:47,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:47,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:47,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:47,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:47,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:47,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:47,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:47,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:47,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:47,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:47,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:47,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:47,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:47,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:47,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:47,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:47,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:47,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 [2023-11-23 20:14:47,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:47,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:47,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:47,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:47,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:47,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-23 20:14:51,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:52,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:52,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-23 20:14:52,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/data/e272c5a82/2b71ffe9b70d40d98e5ee82851a714ac/FLAGfba4581dc [2023-11-23 20:14:52,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/data/e272c5a82/2b71ffe9b70d40d98e5ee82851a714ac [2023-11-23 20:14:52,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:52,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:52,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:52,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:52,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:52,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:52" (1/1) ... [2023-11-23 20:14:52,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b77543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:52, skipping insertion in model container [2023-11-23 20:14:52,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:52" (1/1) ... [2023-11-23 20:14:52,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:54,717 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_fced80ff-b763-4511-ab9b-c7e36382f4e7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-23 20:14:54,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:54,820 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:54,969 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] [2023-11-23 20:14:54,971 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] [2023-11-23 20:14:54,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5342] [2023-11-23 20:14:54,976 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] [2023-11-23 20:14:54,976 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] [2023-11-23 20:14:55,264 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_fced80ff-b763-4511-ab9b-c7e36382f4e7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-23 20:14:55,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:55,489 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:55,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55 WrapperNode [2023-11-23 20:14:55,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:55,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:55,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:55,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:55,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:55,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:55,892 INFO L138 Inliner]: procedures = 306, calls = 1495, calls flagged for inlining = 184, calls inlined = 172, statements flattened = 4581 [2023-11-23 20:14:55,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:55,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:55,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:55,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:55,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:55,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:55,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:55,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:56,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:56,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:56,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:56,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:55" (1/1) ... [2023-11-23 20:14:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:56,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:56,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fced80ff-b763-4511-ab9b-c7e36382f4e7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:14:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:14:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:14:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:14:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:14:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:14:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:14:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:14:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2023-11-23 20:14:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2023-11-23 20:14:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:14:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:14:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2023-11-23 20:14:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2023-11-23 20:14:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 20:14:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 20:14:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2023-11-23 20:14:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2023-11-23 20:14:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 20:14:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 20:14:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2023-11-23 20:14:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2023-11-23 20:14:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-23 20:14:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-23 20:14:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 20:14:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 20:14:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2023-11-23 20:14:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2023-11-23 20:14:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:14:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:14:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:14:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:14:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:14:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:14:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2023-11-23 20:14:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2023-11-23 20:14:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2023-11-23 20:14:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2023-11-23 20:14:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:14:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:14:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-11-23 20:14:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-11-23 20:14:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2023-11-23 20:14:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2023-11-23 20:14:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:14:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:14:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2023-11-23 20:14:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2023-11-23 20:14:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 20:14:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 20:14:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 20:14:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 20:14:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 20:14:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 20:14:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:14:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:14:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:14:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:14:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2023-11-23 20:14:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2023-11-23 20:14:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:14:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:14:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 20:14:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 20:14:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-11-23 20:14:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-11-23 20:14:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 20:14:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 20:14:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 20:14:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 20:14:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:14:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2023-11-23 20:14:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2023-11-23 20:14:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:14:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:14:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2023-11-23 20:14:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2023-11-23 20:14:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:14:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:14:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:14:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 20:14:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 20:14:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2023-11-23 20:14:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2023-11-23 20:14:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2023-11-23 20:14:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2023-11-23 20:14:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 20:14:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 20:14:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:14:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2023-11-23 20:14:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2023-11-23 20:14:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2023-11-23 20:14:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2023-11-23 20:14:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:14:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:14:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-23 20:14:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-23 20:14:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:14:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:14:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2023-11-23 20:14:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2023-11-23 20:14:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2023-11-23 20:14:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2023-11-23 20:14:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:14:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2023-11-23 20:14:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2023-11-23 20:14:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2023-11-23 20:14:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2023-11-23 20:14:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:14:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:14:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2023-11-23 20:14:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2023-11-23 20:14:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:14:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:14:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:14:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:14:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:14:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-23 20:14:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-23 20:14:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 20:14:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 20:14:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2023-11-23 20:14:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2023-11-23 20:14:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:14:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:14:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:14:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:14:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:14:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2023-11-23 20:14:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2023-11-23 20:14:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:14:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:14:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:14:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:14:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2023-11-23 20:14:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2023-11-23 20:14:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 20:14:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 20:14:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2023-11-23 20:14:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2023-11-23 20:14:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:14:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:14:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-23 20:14:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-23 20:14:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 20:14:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 20:14:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:14:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:14:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2023-11-23 20:14:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2023-11-23 20:14:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2023-11-23 20:14:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2023-11-23 20:14:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:14:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-11-23 20:14:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-11-23 20:14:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2023-11-23 20:14:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2023-11-23 20:14:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 20:14:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 20:14:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:14:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:14:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:14:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:14:57,117 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:57,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:57,904 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:15:15,986 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:15:17,368 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:19,717 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:19,718 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:15:19,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:19 BoogieIcfgContainer [2023-11-23 20:15:19,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:19,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:19,723 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:19,733 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:19,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1083 states and 1572 transitions. [2023-11-23 20:15:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1572 transitions. [2023-11-23 20:15:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-23 20:15:19,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-23 20:15:39,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:15:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1087 states and 1584 transitions. [2023-11-23 20:15:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1584 transitions. [2023-11-23 20:15:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:15:40,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms