./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/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_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/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_4457d8d7-c990-4766-a43f-536536a640fb/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 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:59,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:59,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:30:59,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:59,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:59,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:59,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:59,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:59,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:59,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:59,638 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:59,638 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:59,639 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:59,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:30:59,641 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:59,641 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:59,642 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:30:59,643 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:30:59,644 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:59,644 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:30:59,644 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:30:59,646 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:30:59,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:59,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:59,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:30:59,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:59,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:59,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:59,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:59,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:59,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:59,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:59,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:59,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:59,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:59,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:59,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:59,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:59,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:59,664 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:30:59,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:30:59,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:59,667 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:59,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:59,667 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_4457d8d7-c990-4766-a43f-536536a640fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 [2024-11-02 12:31:00,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:00,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:00,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:00,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:00,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:00,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i Unable to find full path for "g++" [2024-11-02 12:31:02,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:02,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:02,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2024-11-02 12:31:02,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/data/d91c92053/a1b735e5cc2c4127b5351932e49baeda/FLAG7d8e53168 [2024-11-02 12:31:02,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/data/d91c92053/a1b735e5cc2c4127b5351932e49baeda [2024-11-02 12:31:02,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:02,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:02,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:02,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:02,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:02,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:02" (1/1) ... [2024-11-02 12:31:02,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43647728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:02, skipping insertion in model container [2024-11-02 12:31:02,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:02" (1/1) ... [2024-11-02 12:31:03,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:05,591 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278128,278141] [2024-11-02 12:31:05,596 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278294,278307] [2024-11-02 12:31:05,597 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278458,278471] [2024-11-02 12:31:05,597 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278623,278636] [2024-11-02 12:31:05,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:05,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:05,873 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"); [5334] [2024-11-02 12:31:05,875 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)); [5341] [2024-11-02 12:31:05,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5348] [2024-11-02 12:31:05,878 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5388-5389] [2024-11-02 12:31:05,878 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"); [5394-5396] [2024-11-02 12:31:06,101 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278128,278141] [2024-11-02 12:31:06,102 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278294,278307] [2024-11-02 12:31:06,102 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278458,278471] [2024-11-02 12:31:06,103 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_4457d8d7-c990-4766-a43f-536536a640fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278623,278636] [2024-11-02 12:31:06,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:06,283 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:06,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06 WrapperNode [2024-11-02 12:31:06,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:06,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:06,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:06,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:06,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,586 INFO L138 Inliner]: procedures = 340, calls = 2037, calls flagged for inlining = 199, calls inlined = 180, statements flattened = 5333 [2024-11-02 12:31:06,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:06,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:06,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:06,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:06,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:06,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:06,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:06,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:06,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (1/1) ... [2024-11-02 12:31:06,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:06,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:06,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:06,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4457d8d7-c990-4766-a43f-536536a640fb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:31:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:31:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:31:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:31:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:31:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:31:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:31:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:31:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-02 12:31:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-02 12:31:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:31:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:31:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2024-11-02 12:31:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2024-11-02 12:31:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-02 12:31:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-02 12:31:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2024-11-02 12:31:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2024-11-02 12:31:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2024-11-02 12:31:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2024-11-02 12:31:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2024-11-02 12:31:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2024-11-02 12:31:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-02 12:31:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-02 12:31:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2024-11-02 12:31:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2024-11-02 12:31:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:31:07,012 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-02 12:31:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-02 12:31:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:31:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 12:31:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 12:31:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2024-11-02 12:31:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2024-11-02 12:31:07,013 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2024-11-02 12:31:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2024-11-02 12:31:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:31:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:31:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-02 12:31:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-02 12:31:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2024-11-02 12:31:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2024-11-02 12:31:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2024-11-02 12:31:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2024-11-02 12:31:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:31:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:31:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-02 12:31:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-02 12:31:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-02 12:31:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-02 12:31:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:31:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:31:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:31:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:31:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:31:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:31:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-11-02 12:31:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-11-02 12:31:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 12:31:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 12:31:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-02 12:31:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-02 12:31:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-02 12:31:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-02 12:31:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2024-11-02 12:31:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2024-11-02 12:31:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-02 12:31:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-02 12:31:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-02 12:31:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-02 12:31:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2024-11-02 12:31:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2024-11-02 12:31:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:31:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2024-11-02 12:31:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2024-11-02 12:31:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:31:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:31:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2024-11-02 12:31:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2024-11-02 12:31:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:31:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 12:31:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 12:31:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-02 12:31:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-02 12:31:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2024-11-02 12:31:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2024-11-02 12:31:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2024-11-02 12:31:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2024-11-02 12:31:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-02 12:31:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-02 12:31:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:31:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-02 12:31:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-02 12:31:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2024-11-02 12:31:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2024-11-02 12:31:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-11-02 12:31:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-11-02 12:31:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:31:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:31:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 12:31:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 12:31:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2024-11-02 12:31:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2024-11-02 12:31:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-02 12:31:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-02 12:31:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2024-11-02 12:31:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2024-11-02 12:31:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:31:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2024-11-02 12:31:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2024-11-02 12:31:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2024-11-02 12:31:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2024-11-02 12:31:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2024-11-02 12:31:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2024-11-02 12:31:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2024-11-02 12:31:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2024-11-02 12:31:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:31:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:31:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2024-11-02 12:31:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2024-11-02 12:31:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:31:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-02 12:31:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-02 12:31:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-02 12:31:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-02 12:31:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-02 12:31:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-02 12:31:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-02 12:31:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-02 12:31:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2024-11-02 12:31:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2024-11-02 12:31:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:31:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:31:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:31:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:31:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:31:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-02 12:31:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-02 12:31:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:31:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:31:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:31:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:31:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-11-02 12:31:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-11-02 12:31:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-02 12:31:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-02 12:31:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2024-11-02 12:31:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2024-11-02 12:31:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2024-11-02 12:31:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2024-11-02 12:31:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:31:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-02 12:31:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-02 12:31:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2024-11-02 12:31:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2024-11-02 12:31:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-02 12:31:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-02 12:31:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 12:31:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 12:31:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 12:31:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 12:31:07,806 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:07,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:08,377 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:31:15,998 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-02 12:31:18,028 INFO L? ?]: Removed 1848 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:18,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:20,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:20,447 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:31:20,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:20 BoogieIcfgContainer [2024-11-02 12:31:20,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:20,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:20,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:20,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:20,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:02" (1/3) ... [2024-11-02 12:31:20,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b34be6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:20, skipping insertion in model container [2024-11-02 12:31:20,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:06" (2/3) ... [2024-11-02 12:31:20,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b34be6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:20, skipping insertion in model container [2024-11-02 12:31:20,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:20" (3/3) ... [2024-11-02 12:31:20,459 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2024-11-02 12:31:20,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:20,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 12:31:20,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:20,585 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;@449e8a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:20,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-02 12:31:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 1133 states, 683 states have (on average 1.3206442166910688) internal successors, (902), 705 states have internal predecessors, (902), 369 states have call successors, (369), 79 states have call predecessors, (369), 78 states have return successors, (360), 354 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-02 12:31:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-02 12:31:20,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:20,614 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:31:20,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-02 12:31:20,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:20,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2036951163, now seen corresponding path program 1 times [2024-11-02 12:31:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:31:20,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747949622] [2024-11-02 12:31:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:20,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:31:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:31:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-02 12:31:32,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:31:32,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747949622] [2024-11-02 12:31:32,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747949622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:31:32,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:31:32,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:31:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561925661] [2024-11-02 12:31:32,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:31:32,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:31:32,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:31:32,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:31:32,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:31:32,325 INFO L87 Difference]: Start difference. First operand has 1133 states, 683 states have (on average 1.3206442166910688) internal successors, (902), 705 states have internal predecessors, (902), 369 states have call successors, (369), 79 states have call predecessors, (369), 78 states have return successors, (360), 354 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)