./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 05:18:45,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:18:46,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:18:46,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:18:46,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:18:46,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:18:46,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:18:46,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:18:46,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:18:46,042 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:18:46,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:18:46,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:18:46,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:18:46,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:18:46,044 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:18:46,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:18:46,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:18:46,045 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c [2025-03-04 05:18:46,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:18:46,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:18:46,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:18:46,283 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:18:46,283 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:18:46,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2025-03-04 05:18:47,487 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc90bf52/5d1a4ecf7a05484784de81103636cd56/FLAGc0fef39ff [2025-03-04 05:18:47,933 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:18:47,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2025-03-04 05:18:47,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc90bf52/5d1a4ecf7a05484784de81103636cd56/FLAGc0fef39ff [2025-03-04 05:18:47,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc90bf52/5d1a4ecf7a05484784de81103636cd56 [2025-03-04 05:18:47,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:18:47,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:18:47,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:18:47,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:18:47,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:18:47,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:18:47" (1/1) ... [2025-03-04 05:18:47,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac7ba94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:47, skipping insertion in model container [2025-03-04 05:18:47,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:18:47" (1/1) ... [2025-03-04 05:18:48,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:18:49,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2025-03-04 05:18:49,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:18:49,650 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:18:49,725 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"); [5350] [2025-03-04 05:18:49,726 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)); [5357] [2025-03-04 05:18:49,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5364] [2025-03-04 05:18:49,732 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5404-5405] [2025-03-04 05:18:49,733 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"); [5410-5412] [2025-03-04 05:18:49,908 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2025-03-04 05:18:49,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:18:50,001 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:18:50,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50 WrapperNode [2025-03-04 05:18:50,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:18:50,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:18:50,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:18:50,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:18:50,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,233 INFO L138 Inliner]: procedures = 287, calls = 1938, calls flagged for inlining = 172, calls inlined = 168, statements flattened = 4978 [2025-03-04 05:18:50,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:18:50,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:18:50,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:18:50,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:18:50,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,847 INFO L175 MemorySlicer]: Split 1297 memory accesses to 22 slices as follows [4, 2, 7, 11, 8, 10, 4, 1, 12, 28, 8, 8, 3, 3, 3, 2, 40, 1127, 12, 1, 2, 1]. 87 percent of accesses are in the largest equivalence class. The 728 initializations are split as follows [0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 8, 8, 0, 0, 3, 0, 0, 686, 12, 1, 2, 0]. The 278 writes are split as follows [0, 1, 6, 1, 0, 2, 0, 0, 0, 28, 0, 0, 0, 2, 0, 1, 0, 237, 0, 0, 0, 0]. [2025-03-04 05:18:50,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,940 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:50,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:51,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:18:51,043 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:18:51,043 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:18:51,043 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:18:51,045 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (1/1) ... [2025-03-04 05:18:51,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:18:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:18:51,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:18:51,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-04 05:18:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:18:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:18:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-04 05:18:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2025-03-04 05:18:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2025-03-04 05:18:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2025-03-04 05:18:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:18:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2025-03-04 05:18:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2025-03-04 05:18:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 05:18:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-04 05:18:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2025-03-04 05:18:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 05:18:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2025-03-04 05:18:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-04 05:18:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2025-03-04 05:18:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 05:18:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 05:18:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 05:18:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-04 05:18:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-04 05:18:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:18:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:18:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-04 05:18:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-04 05:18:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2025-03-04 05:18:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2025-03-04 05:18:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2025-03-04 05:18:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2025-03-04 05:18:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2025-03-04 05:18:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:18:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-03-04 05:18:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-03-04 05:18:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-03-04 05:18:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:18:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2025-03-04 05:18:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:18:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 05:18:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-03-04 05:18:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-03-04 05:18:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:18:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:18:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:18:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:18:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2025-03-04 05:18:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2025-03-04 05:18:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-04 05:18:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-04 05:18:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2025-03-04 05:18:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2025-03-04 05:18:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2025-03-04 05:18:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2025-03-04 05:18:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2025-03-04 05:18:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:18:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:18:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:18:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:18:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 05:18:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 05:18:51,838 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:18:51,840 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:18:52,415 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:18:52,549 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9626: havoc netpoll_trap_#t~nondet797#1; [2025-03-04 05:18:52,550 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5366-1: test_and_clear_bit_#res#1 := 1; [2025-03-04 05:18:52,552 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9672: havoc #t~nondet808; [2025-03-04 05:18:52,577 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9560: havoc #t~ret794.base, #t~ret794.offset; [2025-03-04 05:18:53,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5971: call ULTIMATE.dealloc(~#t~1.base, ~#t~1.offset);havoc ~#t~1.base, ~#t~1.offset;call ULTIMATE.dealloc(~#m~1.base, ~#m~1.offset);havoc ~#m~1.base, ~#m~1.offset; [2025-03-04 05:18:53,555 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9622: havoc #t~nondet796; [2025-03-04 05:18:53,564 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9544: havoc #t~nondet790; [2025-03-04 05:18:53,571 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5613: havoc #t~mem104.base, #t~mem104.offset; [2025-03-04 05:18:53,626 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5491: havoc #t~mem72.base, #t~mem72.offset; [2025-03-04 05:18:53,659 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9496: havoc #t~nondet784; [2025-03-04 05:18:53,687 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9499: havoc alloc_can_err_skb_#t~ret785#1.base, alloc_can_err_skb_#t~ret785#1.offset; [2025-03-04 05:18:53,687 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9612: havoc netdev_err_#t~nondet795#1; [2025-03-04 05:18:53,687 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6597: call ULTIMATE.dealloc(~#frame~1#1.base, ~#frame~1#1.offset);havoc ~#frame~1#1.base, ~#frame~1#1.offset; [2025-03-04 05:18:53,722 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420: havoc arch_irqs_disabled_flags_#t~bitwise20#1; [2025-03-04 05:18:53,744 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9646: havoc #t~nondet802; [2025-03-04 05:18:53,773 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9650: havoc regulator_enable_#t~nondet803#1; [2025-03-04 05:18:53,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5372: havoc constant_test_bit_#t~mem4#1;havoc constant_test_bit_#t~bitwise5#1; [2025-03-04 05:18:54,104 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6924: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset;call ULTIMATE.dealloc(~#__constr_expr_0~0#1.base, ~#__constr_expr_0~0#1.offset);havoc ~#__constr_expr_0~0#1.base, ~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset;call ULTIMATE.dealloc(~#__constr_expr_1~0#1.base, ~#__constr_expr_1~0#1.offset);havoc ~#__constr_expr_1~0#1.base, ~#__constr_expr_1~0#1.offset; [2025-03-04 05:18:54,104 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8579-1: ldv_request_threaded_irq_#res#1 := ldv_request_threaded_irq_~arg0#1; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9654: havoc request_threaded_irq_#t~nondet804#1; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9473: havoc __alloc_workqueue_key_#t~ret782#1.base, __alloc_workqueue_key_#t~ret782#1.offset; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8930-1: ldv_request_threaded_irq_17_#res#1 := ldv_request_threaded_irq_17_~ldv_func_res~0#1; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6734: call ULTIMATE.dealloc(mcp251x_can_ist_~#intf~0#1.base, mcp251x_can_ist_~#intf~0#1.offset);havoc mcp251x_can_ist_~#intf~0#1.base, mcp251x_can_ist_~#intf~0#1.offset;call ULTIMATE.dealloc(mcp251x_can_ist_~#eflag~0#1.base, mcp251x_can_ist_~#eflag~0#1.offset);havoc mcp251x_can_ist_~#eflag~0#1.base, mcp251x_can_ist_~#eflag~0#1.offset; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9630: havoc open_candev_#t~nondet798#1; [2025-03-04 05:18:54,105 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9515: havoc can_get_echo_skb_#t~nondet788#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6494: call ULTIMATE.dealloc(mcp251x_hw_probe_~#descriptor~0#1.base, mcp251x_hw_probe_~#descriptor~0#1.offset);havoc mcp251x_hw_probe_~#descriptor~0#1.base, mcp251x_hw_probe_~#descriptor~0#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8955-1: ldv_register_candev_19_#res#1 := ldv_register_candev_19_~ldv_func_res~1#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9634: havoc printk_#t~nondet799#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9668: havoc spi_setup_#t~nondet807#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7075: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5473: havoc is_device_dma_capable_#t~mem57#1.base, is_device_dma_capable_#t~mem57#1.offset;havoc is_device_dma_capable_#t~mem58#1.base, is_device_dma_capable_#t~mem58#1.offset;havoc is_device_dma_capable_#t~mem59#1;havoc is_device_dma_capable_#t~short60#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8545-1: ldv_register_candev_#res#1 := ldv_register_candev_~arg0#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9554: havoc devm_clk_get_#t~ret792#1.base, devm_clk_get_#t~ret792#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9505: havoc alloc_candev_#t~ret787#1.base, alloc_candev_#t~ret787#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9525: havoc clk_get_rate_#t~nondet789#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5462: havoc dev_get_platdata_#t~mem49#1.base, dev_get_platdata_#t~mem49#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9642: havoc register_candev_#t~nondet801#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9660: havoc spi_get_device_id_#t~ret805#1.base, spi_get_device_id_#t~ret805#1.offset; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9480: havoc __dynamic_dev_dbg_#t~nondet783#1; [2025-03-04 05:18:54,372 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9548: havoc dev_warn_#t~nondet791#1; [2025-03-04 05:18:54,626 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5881: call ULTIMATE.dealloc(spi_write_~#t~0#1.base, spi_write_~#t~0#1.offset);havoc spi_write_~#t~0#1.base, spi_write_~#t~0#1.offset;call ULTIMATE.dealloc(spi_write_~#m~0#1.base, spi_write_~#m~0#1.offset);havoc spi_write_~#m~0#1.base, spi_write_~#m~0#1.offset; [2025-03-04 05:18:54,793 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6125: call ULTIMATE.dealloc(mcp251x_hw_tx_~#buf~0#1.base, mcp251x_hw_tx_~#buf~0#1.offset);havoc mcp251x_hw_tx_~#buf~0#1.base, mcp251x_hw_tx_~#buf~0#1.offset; [2025-03-04 05:18:54,816 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9016: havoc ldv_dev_get_drvdata_#t~mem742#1.base, ldv_dev_get_drvdata_#t~mem742#1.offset;havoc ldv_dev_get_drvdata_#t~mem743#1.base, ldv_dev_get_drvdata_#t~mem743#1.offset; [2025-03-04 05:18:54,864 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9557: havoc devm_kmalloc_#t~ret793#1.base, devm_kmalloc_#t~ret793#1.offset; [2025-03-04 05:18:54,963 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6211: call ULTIMATE.dealloc(~#frame~0#1.base, ~#frame~0#1.offset);havoc ~#frame~0#1.base, ~#frame~0#1.offset;call ULTIMATE.dealloc(~#buf~1#1.base, ~#buf~1#1.offset);havoc ~#buf~1#1.base, ~#buf~1#1.offset; [2025-03-04 05:18:54,963 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9502: havoc alloc_can_skb_#t~ret786#1.base, alloc_can_skb_#t~ret786#1.offset; [2025-03-04 05:18:54,967 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5934: havoc #t~mem181; [2025-03-04 05:18:54,983 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9638: havoc queue_work_on_#t~nondet800#1; [2025-03-04 05:19:00,826 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8825-1: ldv_spi_register_driver_#res#1 := ldv_spi_register_driver_~arg0#1; [2025-03-04 05:19:00,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8998-1: ldv_spi_register_driver_23_#res#1 := ldv_spi_register_driver_23_~ldv_func_res~2#1; [2025-03-04 05:19:00,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9664: havoc spi_register_driver_#t~nondet806#1; [2025-03-04 05:19:01,282 INFO L? ?]: Removed 2252 outVars from TransFormulas that were not future-live. [2025-03-04 05:19:01,282 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:19:01,338 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:19:01,338 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:19:01,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:19:01 BoogieIcfgContainer [2025-03-04 05:19:01,339 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:19:01,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:19:01,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:19:01,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:19:01,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:18:47" (1/3) ... [2025-03-04 05:19:01,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605ccc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:19:01, skipping insertion in model container [2025-03-04 05:19:01,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:18:50" (2/3) ... [2025-03-04 05:19:01,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605ccc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:19:01, skipping insertion in model container [2025-03-04 05:19:01,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:19:01" (3/3) ... [2025-03-04 05:19:01,347 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2025-03-04 05:19:01,357 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:19:01,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i that has 92 procedures, 1546 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2025-03-04 05:19:01,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:19:01,441 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2aaa4681, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:19:01,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 05:19:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 1440 states, 1039 states have (on average 1.302213666987488) internal successors, (1353), 1076 states have internal predecessors, (1353), 330 states have call successors, (330), 70 states have call predecessors, (330), 69 states have return successors, (323), 316 states have call predecessors, (323), 323 states have call successors, (323) [2025-03-04 05:19:01,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 05:19:01,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:01,456 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:19:01,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:01,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash 829907631, now seen corresponding path program 1 times [2025-03-04 05:19:01,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:01,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555091812] [2025-03-04 05:19:01,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:01,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:06,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 05:19:06,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 05:19:06,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:06,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 05:19:07,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:07,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555091812] [2025-03-04 05:19:07,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555091812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:07,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:19:07,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:19:07,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601945863] [2025-03-04 05:19:07,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:07,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:19:07,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:07,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:19:07,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:19:07,916 INFO L87 Difference]: Start difference. First operand has 1440 states, 1039 states have (on average 1.302213666987488) internal successors, (1353), 1076 states have internal predecessors, (1353), 330 states have call successors, (330), 70 states have call predecessors, (330), 69 states have return successors, (323), 316 states have call predecessors, (323), 323 states have call successors, (323) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 05:19:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:09,510 INFO L93 Difference]: Finished difference Result 4276 states and 6087 transitions. [2025-03-04 05:19:09,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 05:19:09,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2025-03-04 05:19:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:09,540 INFO L225 Difference]: With dead ends: 4276 [2025-03-04 05:19:09,540 INFO L226 Difference]: Without dead ends: 2833 [2025-03-04 05:19:09,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 05:19:09,555 INFO L435 NwaCegarLoop]: 2219 mSDtfsCounter, 1987 mSDsluCounter, 6331 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 8550 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:09,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 8550 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 05:19:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2025-03-04 05:19:09,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2831. [2025-03-04 05:19:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2054 states have (on average 1.2799415774099319) internal successors, (2629), 2116 states have internal predecessors, (2629), 640 states have call successors, (640), 139 states have call predecessors, (640), 136 states have return successors, (676), 620 states have call predecessors, (676), 634 states have call successors, (676) [2025-03-04 05:19:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3945 transitions. [2025-03-04 05:19:09,748 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3945 transitions. Word has length 48 [2025-03-04 05:19:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:09,749 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3945 transitions. [2025-03-04 05:19:09,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 05:19:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3945 transitions. [2025-03-04 05:19:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 05:19:09,751 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:09,751 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:19:09,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:19:09,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:09,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1588735245, now seen corresponding path program 1 times [2025-03-04 05:19:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:09,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503941297] [2025-03-04 05:19:09,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:14,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 05:19:14,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 05:19:14,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:14,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 05:19:15,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:15,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503941297] [2025-03-04 05:19:15,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503941297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:15,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:19:15,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:19:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826684858] [2025-03-04 05:19:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:15,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:19:15,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:15,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:19:15,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:19:15,390 INFO L87 Difference]: Start difference. First operand 2831 states and 3945 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-04 05:19:16,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:16,281 INFO L93 Difference]: Finished difference Result 2837 states and 3950 transitions. [2025-03-04 05:19:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 05:19:16,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2025-03-04 05:19:16,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:16,299 INFO L225 Difference]: With dead ends: 2837 [2025-03-04 05:19:16,299 INFO L226 Difference]: Without dead ends: 2804 [2025-03-04 05:19:16,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 05:19:16,302 INFO L435 NwaCegarLoop]: 1908 mSDtfsCounter, 1945 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:16,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 5716 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 05:19:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2025-03-04 05:19:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2025-03-04 05:19:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2035 states have (on average 1.28009828009828) internal successors, (2605), 2095 states have internal predecessors, (2605), 634 states have call successors, (634), 136 states have call predecessors, (634), 134 states have return successors, (673), 617 states have call predecessors, (673), 631 states have call successors, (673) [2025-03-04 05:19:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3912 transitions. [2025-03-04 05:19:16,424 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3912 transitions. Word has length 53 [2025-03-04 05:19:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:16,425 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 3912 transitions. [2025-03-04 05:19:16,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-04 05:19:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3912 transitions. [2025-03-04 05:19:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-03-04 05:19:16,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:16,444 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2025-03-04 05:19:16,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:19:16,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:16,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:16,448 INFO L85 PathProgramCache]: Analyzing trace with hash -789974006, now seen corresponding path program 1 times [2025-03-04 05:19:16,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:16,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297157905] [2025-03-04 05:19:16,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:16,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:20,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-03-04 05:19:20,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-03-04 05:19:20,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:20,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2025-03-04 05:19:22,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297157905] [2025-03-04 05:19:22,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297157905] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:22,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:19:22,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 05:19:22,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715868024] [2025-03-04 05:19:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:22,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 05:19:22,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:22,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 05:19:22,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 05:19:22,303 INFO L87 Difference]: Start difference. First operand 2804 states and 3912 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-04 05:19:23,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:23,620 INFO L93 Difference]: Finished difference Result 5601 states and 7909 transitions. [2025-03-04 05:19:23,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 05:19:23,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 265 [2025-03-04 05:19:23,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:23,639 INFO L225 Difference]: With dead ends: 5601 [2025-03-04 05:19:23,639 INFO L226 Difference]: Without dead ends: 2814 [2025-03-04 05:19:23,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 05:19:23,653 INFO L435 NwaCegarLoop]: 1900 mSDtfsCounter, 0 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9488 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:23,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9488 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 05:19:23,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2025-03-04 05:19:23,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2814. [2025-03-04 05:19:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2043 states have (on average 1.2790014684287812) internal successors, (2613), 2103 states have internal predecessors, (2613), 634 states have call successors, (634), 136 states have call predecessors, (634), 136 states have return successors, (689), 619 states have call predecessors, (689), 631 states have call successors, (689) [2025-03-04 05:19:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3936 transitions. [2025-03-04 05:19:23,753 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3936 transitions. Word has length 265 [2025-03-04 05:19:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:23,754 INFO L471 AbstractCegarLoop]: Abstraction has 2814 states and 3936 transitions. [2025-03-04 05:19:23,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-04 05:19:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3936 transitions. [2025-03-04 05:19:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2025-03-04 05:19:23,790 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:23,791 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2025-03-04 05:19:23,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:19:23,793 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:23,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:23,794 INFO L85 PathProgramCache]: Analyzing trace with hash -518776892, now seen corresponding path program 1 times [2025-03-04 05:19:23,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:23,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399536549] [2025-03-04 05:19:23,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:28,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 314 statements into 1 equivalence classes. [2025-03-04 05:19:28,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 314 of 314 statements. [2025-03-04 05:19:28,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:28,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2025-03-04 05:19:29,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:29,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399536549] [2025-03-04 05:19:29,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399536549] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:29,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:19:29,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 05:19:29,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345190571] [2025-03-04 05:19:29,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:29,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 05:19:29,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:29,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 05:19:29,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 05:19:29,451 INFO L87 Difference]: Start difference. First operand 2814 states and 3936 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-03-04 05:19:30,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:30,670 INFO L93 Difference]: Finished difference Result 5615 states and 7894 transitions. [2025-03-04 05:19:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 05:19:30,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 314 [2025-03-04 05:19:30,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:30,691 INFO L225 Difference]: With dead ends: 5615 [2025-03-04 05:19:30,692 INFO L226 Difference]: Without dead ends: 2818 [2025-03-04 05:19:30,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 05:19:30,706 INFO L435 NwaCegarLoop]: 1898 mSDtfsCounter, 1 mSDsluCounter, 7570 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9468 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:30,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9468 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 05:19:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2025-03-04 05:19:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2818. [2025-03-04 05:19:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2818 states, 2047 states have (on average 1.2784562774792378) internal successors, (2617), 2107 states have internal predecessors, (2617), 634 states have call successors, (634), 136 states have call predecessors, (634), 136 states have return successors, (689), 619 states have call predecessors, (689), 631 states have call successors, (689) [2025-03-04 05:19:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3940 transitions. [2025-03-04 05:19:30,817 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3940 transitions. Word has length 314 [2025-03-04 05:19:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:30,818 INFO L471 AbstractCegarLoop]: Abstraction has 2818 states and 3940 transitions. [2025-03-04 05:19:30,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2025-03-04 05:19:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3940 transitions. [2025-03-04 05:19:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2025-03-04 05:19:30,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:30,827 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:19:30,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:19:30,828 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:30,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:30,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1405755067, now seen corresponding path program 1 times [2025-03-04 05:19:30,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:30,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694678505] [2025-03-04 05:19:30,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:30,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:35,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 374 statements into 1 equivalence classes. [2025-03-04 05:19:35,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 374 of 374 statements. [2025-03-04 05:19:35,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:35,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2025-03-04 05:19:36,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694678505] [2025-03-04 05:19:36,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694678505] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:36,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:19:36,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 05:19:36,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056846752] [2025-03-04 05:19:36,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:36,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 05:19:36,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:36,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 05:19:36,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 05:19:36,596 INFO L87 Difference]: Start difference. First operand 2818 states and 3940 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-04 05:19:37,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:37,311 INFO L93 Difference]: Finished difference Result 5627 states and 7951 transitions. [2025-03-04 05:19:37,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 05:19:37,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 374 [2025-03-04 05:19:37,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:37,329 INFO L225 Difference]: With dead ends: 5627 [2025-03-04 05:19:37,330 INFO L226 Difference]: Without dead ends: 2826 [2025-03-04 05:19:37,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 05:19:37,344 INFO L435 NwaCegarLoop]: 1900 mSDtfsCounter, 14 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5658 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:37,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5658 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 05:19:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2025-03-04 05:19:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2826. [2025-03-04 05:19:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2051 states have (on average 1.2769380789858606) internal successors, (2619), 2113 states have internal predecessors, (2619), 636 states have call successors, (636), 136 states have call predecessors, (636), 138 states have return successors, (695), 621 states have call predecessors, (695), 633 states have call successors, (695) [2025-03-04 05:19:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3950 transitions. [2025-03-04 05:19:37,436 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3950 transitions. Word has length 374 [2025-03-04 05:19:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:37,437 INFO L471 AbstractCegarLoop]: Abstraction has 2826 states and 3950 transitions. [2025-03-04 05:19:37,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-04 05:19:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3950 transitions. [2025-03-04 05:19:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2025-03-04 05:19:37,448 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:37,449 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 9, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:19:37,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:19:37,449 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:37,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1483932530, now seen corresponding path program 1 times [2025-03-04 05:19:37,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:37,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394446877] [2025-03-04 05:19:37,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:37,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:19:41,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 402 statements into 1 equivalence classes. [2025-03-04 05:19:41,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 402 of 402 statements. [2025-03-04 05:19:41,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:41,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2025-03-04 05:19:46,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:19:46,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394446877] [2025-03-04 05:19:46,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394446877] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 05:19:46,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898590426] [2025-03-04 05:19:46,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:46,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 05:19:46,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:19:46,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 05:19:46,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 05:19:51,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 402 statements into 1 equivalence classes. [2025-03-04 05:19:51,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 402 of 402 statements. [2025-03-04 05:19:51,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:19:51,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:19:51,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 4909 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 05:19:51,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 05:19:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2025-03-04 05:19:52,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 05:19:52,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898590426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:19:52,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 05:19:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2025-03-04 05:19:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963778622] [2025-03-04 05:19:52,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:19:52,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 05:19:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:19:52,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 05:19:52,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2025-03-04 05:19:52,625 INFO L87 Difference]: Start difference. First operand 2826 states and 3950 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 9 states have internal predecessors, (156), 5 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) [2025-03-04 05:19:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:19:55,317 INFO L93 Difference]: Finished difference Result 5484 states and 7654 transitions. [2025-03-04 05:19:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 05:19:55,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 9 states have internal predecessors, (156), 5 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) Word has length 402 [2025-03-04 05:19:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:19:55,339 INFO L225 Difference]: With dead ends: 5484 [2025-03-04 05:19:55,339 INFO L226 Difference]: Without dead ends: 2867 [2025-03-04 05:19:55,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2025-03-04 05:19:55,348 INFO L435 NwaCegarLoop]: 1872 mSDtfsCounter, 7 mSDsluCounter, 16770 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18642 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:19:55,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18642 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-04 05:19:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2025-03-04 05:19:55,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 2856. [2025-03-04 05:19:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2067 states have (on average 1.2762457668118046) internal successors, (2638), 2129 states have internal predecessors, (2638), 650 states have call successors, (650), 136 states have call predecessors, (650), 138 states have return successors, (709), 635 states have call predecessors, (709), 647 states have call successors, (709) [2025-03-04 05:19:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 3997 transitions. [2025-03-04 05:19:55,449 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 3997 transitions. Word has length 402 [2025-03-04 05:19:55,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:19:55,451 INFO L471 AbstractCegarLoop]: Abstraction has 2856 states and 3997 transitions. [2025-03-04 05:19:55,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 9 states have internal predecessors, (156), 5 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) [2025-03-04 05:19:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3997 transitions. [2025-03-04 05:19:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2025-03-04 05:19:55,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:19:55,465 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 15, 15, 10, 10, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1] [2025-03-04 05:19:55,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 05:19:55,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-04 05:19:55,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 05:19:55,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:19:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1401692370, now seen corresponding path program 1 times [2025-03-04 05:19:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:19:55,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135333939] [2025-03-04 05:19:55,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:19:55,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:20:00,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 443 statements into 1 equivalence classes. [2025-03-04 05:20:00,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 443 of 443 statements. [2025-03-04 05:20:00,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:20:00,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:20:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2025-03-04 05:20:04,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:20:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135333939] [2025-03-04 05:20:04,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135333939] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 05:20:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000588296] [2025-03-04 05:20:04,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:20:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 05:20:04,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:20:04,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 05:20:04,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process