./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.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 bd4fbab36214655a128eed4da7b96b31320ccba2497269f1a933e07472cfd581 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:02:17,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:02:17,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:02:17,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:02:17,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:02:17,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:02:17,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:02:17,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:02:17,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:02:17,267 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:02:17,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:02:17,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:02:17,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:02:17,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:02:17,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:02:17,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:02:17,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:02:17,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:02:17,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:02:17,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:02:17,271 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 -> bd4fbab36214655a128eed4da7b96b31320ccba2497269f1a933e07472cfd581 [2025-03-08 19:02:17,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:02:17,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:02:17,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:02:17,495 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:02:17,495 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:02:17,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-08 19:02:18,617 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc34fa90/3f68ab1d97264ffab318132444cac1d1/FLAG3cdce7b73 [2025-03-08 19:02:18,998 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:02:18,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-08 19:02:19,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc34fa90/3f68ab1d97264ffab318132444cac1d1/FLAG3cdce7b73 [2025-03-08 19:02:19,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc34fa90/3f68ab1d97264ffab318132444cac1d1 [2025-03-08 19:02:19,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:02:19,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:02:19,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:02:19,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:02:19,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:02:19,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:19,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdbaf6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19, skipping insertion in model container [2025-03-08 19:02:19,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:19,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:02:19,640 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i[131416,131429] [2025-03-08 19:02:19,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:02:19,698 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:02:19,838 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i[131416,131429] [2025-03-08 19:02:19,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:02:19,906 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:02:19,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19 WrapperNode [2025-03-08 19:02:19,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:02:19,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:02:19,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:02:19,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:02:19,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:19,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:19,993 INFO L138 Inliner]: procedures = 108, calls = 867, calls flagged for inlining = 44, calls inlined = 34, statements flattened = 1912 [2025-03-08 19:02:19,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:02:19,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:02:19,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:02:19,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:02:20,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,108 INFO L175 MemorySlicer]: Split 395 memory accesses to 20 slices as follows [2, 4, 9, 42, 6, 6, 7, 6, 8, 8, 172, 8, 14, 3, 9, 24, 26, 4, 4, 33]. 44 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [2, 4, 0, 0, 6, 6, 7, 6, 8, 8, 6, 8, 14, 2, 8, 0, 0, 4, 4, 0]. The 184 writes are split as follows [0, 0, 9, 42, 0, 0, 0, 0, 0, 0, 50, 0, 0, 0, 0, 24, 26, 0, 0, 33]. [2025-03-08 19:02:20,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:02:20,212 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:02:20,212 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:02:20,212 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:02:20,213 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (1/1) ... [2025-03-08 19:02:20,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:02:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:02:20,238 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) [2025-03-08 19:02:20,244 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 [2025-03-08 19:02:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2025-03-08 19:02:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:02:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:02:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 19:02:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:02:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:02:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2025-03-08 19:02:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2025-03-08 19:02:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:02:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:02:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:02:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-03-08 19:02:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2025-03-08 19:02:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:02:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2025-03-08 19:02:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_free [2025-03-08 19:02:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_free [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:02:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 19:02:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2025-03-08 19:02:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_put_devices [2025-03-08 19:02:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_put_devices [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:02:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:02:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 19:02:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:02:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:02:20,673 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:02:20,675 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:02:20,716 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4911: havoc pci_bus_write_config_dword_#t~nondet425#1; [2025-03-08 19:02:20,740 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3303: havoc ~res~0#1.base, ~res~0#1.offset; [2025-03-08 19:02:20,759 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4907: havoc pci_bus_read_config_word_#t~nondet424#1; [2025-03-08 19:02:20,787 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc kobject_name_#t~mem10#1.base, kobject_name_#t~mem10#1.offset; [2025-03-08 19:02:20,788 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3251: havoc dev_name_#t~mem12#1.base, dev_name_#t~mem12#1.offset; [2025-03-08 19:02:20,800 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4903: havoc pci_bus_read_config_dword_#t~nondet423#1; [2025-03-08 19:02:20,809 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4921: havoc #t~ret427.base, #t~ret427.offset; [2025-03-08 19:02:20,831 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4928: havoc #t~nondet428; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4863: havoc __pci_register_driver_#t~nondet416#1; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3313: havoc __kmalloc_#t~ret48#1.base, __kmalloc_#t~ret48#1.offset; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4867: havoc edac_mc_add_mc_#t~nondet417#1; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4870: havoc edac_mc_alloc_#t~ret418#1.base, edac_mc_alloc_#t~ret418#1.offset; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4873: havoc edac_mc_del_mc_#t~ret419#1.base, edac_mc_del_mc_#t~ret419#1.offset; [2025-03-08 19:02:25,936 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3590: call ULTIMATE.dealloc(i7300_enable_error_reporting_~#fbd_error_mask~0#1.base, i7300_enable_error_reporting_~#fbd_error_mask~0#1.offset);havoc i7300_enable_error_reporting_~#fbd_error_mask~0#1.base, i7300_enable_error_reporting_~#fbd_error_mask~0#1.offset; [2025-03-08 19:02:25,937 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4185: call ULTIMATE.dealloc(i7300_init_one_~#layers~0#1.base, i7300_init_one_~#layers~0#1.offset);havoc i7300_init_one_~#layers~0#1.base, i7300_init_one_~#layers~0#1.offset; [2025-03-08 19:02:25,937 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4882: havoc edac_pci_create_generic_ctl_#t~ret420#1.base, edac_pci_create_generic_ctl_#t~ret420#1.offset; [2025-03-08 19:02:25,937 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4918: havoc pci_enable_device_#t~nondet426#1; [2025-03-08 19:02:25,937 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3566: call ULTIMATE.dealloc(i7300_clear_error_~#value~1#1.base, i7300_clear_error_~#value~1#1.offset);havoc i7300_clear_error_~#value~1#1.base, i7300_clear_error_~#value~1#1.offset; [2025-03-08 19:02:26,081 INFO L? ?]: Removed 498 outVars from TransFormulas that were not future-live. [2025-03-08 19:02:26,082 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:02:26,120 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:02:26,121 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:02:26,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:02:26 BoogieIcfgContainer [2025-03-08 19:02:26,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:02:26,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:02:26,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:02:26,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:02:26,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:02:19" (1/3) ... [2025-03-08 19:02:26,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f83db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:02:26, skipping insertion in model container [2025-03-08 19:02:26,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:02:19" (2/3) ... [2025-03-08 19:02:26,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f83db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:02:26, skipping insertion in model container [2025-03-08 19:02:26,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:02:26" (3/3) ... [2025-03-08 19:02:26,130 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-08 19:02:26,142 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:02:26,143 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i that has 13 procedures, 489 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-03-08 19:02:26,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:02:26,220 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;@12b24c70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:02:26,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:02:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 489 states, 387 states have (on average 1.4237726098191215) internal successors, (551), 393 states have internal predecessors, (551), 88 states have call successors, (88), 12 states have call predecessors, (88), 12 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-08 19:02:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-08 19:02:26,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:02:26,236 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:02:26,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:02:26,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:02:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1310580346, now seen corresponding path program 1 times [2025-03-08 19:02:26,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:02:26,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517247811] [2025-03-08 19:02:26,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:02:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:02:27,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-08 19:02:27,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-08 19:02:27,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:02:27,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:02:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:02:28,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:02:28,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517247811] [2025-03-08 19:02:28,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517247811] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:02:28,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:02:28,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:02:28,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578654725] [2025-03-08 19:02:28,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:02:28,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:02:28,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:02:28,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:02:28,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:28,291 INFO L87 Difference]: Start difference. First operand has 489 states, 387 states have (on average 1.4237726098191215) internal successors, (551), 393 states have internal predecessors, (551), 88 states have call successors, (88), 12 states have call predecessors, (88), 12 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:32,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:02:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:02:32,738 INFO L93 Difference]: Finished difference Result 1423 states and 2141 transitions. [2025-03-08 19:02:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:02:32,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-03-08 19:02:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:02:32,750 INFO L225 Difference]: With dead ends: 1423 [2025-03-08 19:02:32,750 INFO L226 Difference]: Without dead ends: 933 [2025-03-08 19:02:32,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:32,756 INFO L435 NwaCegarLoop]: 701 mSDtfsCounter, 686 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:02:32,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1371 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-08 19:02:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2025-03-08 19:02:32,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 933. [2025-03-08 19:02:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 739 states have (on average 1.419485791610284) internal successors, (1049), 745 states have internal predecessors, (1049), 171 states have call successors, (171), 23 states have call predecessors, (171), 22 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2025-03-08 19:02:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1388 transitions. [2025-03-08 19:02:32,850 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1388 transitions. Word has length 17 [2025-03-08 19:02:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:02:32,851 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1388 transitions. [2025-03-08 19:02:32,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1388 transitions. [2025-03-08 19:02:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-08 19:02:32,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:02:32,854 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:02:32,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:02:32,855 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:02:32,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:02:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -71825016, now seen corresponding path program 1 times [2025-03-08 19:02:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:02:32,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485723143] [2025-03-08 19:02:32,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:02:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:02:33,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-08 19:02:34,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-08 19:02:34,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:02:34,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:02:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:02:34,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:02:34,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485723143] [2025-03-08 19:02:34,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485723143] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:02:34,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:02:34,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:02:34,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673939092] [2025-03-08 19:02:34,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:02:34,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:02:34,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:02:34,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:02:34,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:02:34,408 INFO L87 Difference]: Start difference. First operand 933 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:34,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:02:34,980 INFO L93 Difference]: Finished difference Result 1875 states and 2787 transitions. [2025-03-08 19:02:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:02:34,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-08 19:02:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:02:34,990 INFO L225 Difference]: With dead ends: 1875 [2025-03-08 19:02:34,990 INFO L226 Difference]: Without dead ends: 945 [2025-03-08 19:02:34,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:02:34,996 INFO L435 NwaCegarLoop]: 704 mSDtfsCounter, 713 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:02:34,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 2118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 19:02:34,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2025-03-08 19:02:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 936. [2025-03-08 19:02:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 742 states have (on average 1.4164420485175202) internal successors, (1051), 748 states have internal predecessors, (1051), 171 states have call successors, (171), 23 states have call predecessors, (171), 22 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2025-03-08 19:02:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1390 transitions. [2025-03-08 19:02:35,045 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1390 transitions. Word has length 26 [2025-03-08 19:02:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:02:35,046 INFO L471 AbstractCegarLoop]: Abstraction has 936 states and 1390 transitions. [2025-03-08 19:02:35,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1390 transitions. [2025-03-08 19:02:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-08 19:02:35,047 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:02:35,047 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:02:35,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:02:35,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:02:35,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:02:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1850650328, now seen corresponding path program 1 times [2025-03-08 19:02:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:02:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484314803] [2025-03-08 19:02:35,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:02:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:02:36,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-08 19:02:36,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-08 19:02:36,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:02:36,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:02:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:02:36,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:02:36,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484314803] [2025-03-08 19:02:36,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484314803] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:02:36,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:02:36,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:02:36,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386854347] [2025-03-08 19:02:36,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:02:36,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:02:36,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:02:36,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:02:36,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:36,287 INFO L87 Difference]: Start difference. First operand 936 states and 1390 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:40,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:02:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:02:40,481 INFO L93 Difference]: Finished difference Result 938 states and 1391 transitions. [2025-03-08 19:02:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:02:40,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-08 19:02:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:02:40,488 INFO L225 Difference]: With dead ends: 938 [2025-03-08 19:02:40,489 INFO L226 Difference]: Without dead ends: 935 [2025-03-08 19:02:40,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:40,490 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 692 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:02:40,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 695 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-08 19:02:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2025-03-08 19:02:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935. [2025-03-08 19:02:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 742 states have (on average 1.4150943396226414) internal successors, (1050), 747 states have internal predecessors, (1050), 170 states have call successors, (170), 23 states have call predecessors, (170), 22 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2025-03-08 19:02:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1388 transitions. [2025-03-08 19:02:40,534 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1388 transitions. Word has length 26 [2025-03-08 19:02:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:02:40,534 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1388 transitions. [2025-03-08 19:02:40,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1388 transitions. [2025-03-08 19:02:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-08 19:02:40,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:02:40,537 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:02:40,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:02:40,537 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:02:40,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:02:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1536300715, now seen corresponding path program 1 times [2025-03-08 19:02:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:02:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926007119] [2025-03-08 19:02:40,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:02:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:02:41,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-08 19:02:41,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-08 19:02:41,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:02:41,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:02:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:02:41,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:02:41,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926007119] [2025-03-08 19:02:41,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926007119] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:02:41,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:02:41,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:02:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64184352] [2025-03-08 19:02:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:02:41,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:02:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:02:41,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:02:41,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:41,763 INFO L87 Difference]: Start difference. First operand 935 states and 1388 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:45,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:02:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:02:45,983 INFO L93 Difference]: Finished difference Result 937 states and 1389 transitions. [2025-03-08 19:02:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:02:45,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-03-08 19:02:45,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:02:45,989 INFO L225 Difference]: With dead ends: 937 [2025-03-08 19:02:45,990 INFO L226 Difference]: Without dead ends: 934 [2025-03-08 19:02:45,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:45,991 INFO L435 NwaCegarLoop]: 693 mSDtfsCounter, 689 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:02:45,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 693 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-08 19:02:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2025-03-08 19:02:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 934. [2025-03-08 19:02:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 742 states have (on average 1.4137466307277629) internal successors, (1049), 746 states have internal predecessors, (1049), 169 states have call successors, (169), 23 states have call predecessors, (169), 22 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2025-03-08 19:02:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1386 transitions. [2025-03-08 19:02:46,034 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1386 transitions. Word has length 27 [2025-03-08 19:02:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:02:46,035 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1386 transitions. [2025-03-08 19:02:46,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1386 transitions. [2025-03-08 19:02:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-08 19:02:46,036 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:02:46,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:02:46,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:02:46,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:02:46,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:02:46,036 INFO L85 PathProgramCache]: Analyzing trace with hash -381398327, now seen corresponding path program 1 times [2025-03-08 19:02:46,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:02:46,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589211005] [2025-03-08 19:02:46,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:02:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:02:47,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 19:02:47,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 19:02:47,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:02:47,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:02:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:02:47,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:02:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589211005] [2025-03-08 19:02:47,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589211005] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:02:47,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:02:47,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:02:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740139169] [2025-03-08 19:02:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:02:47,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:02:47,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:02:47,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:02:47,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:47,236 INFO L87 Difference]: Start difference. First operand 934 states and 1386 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:51,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:02:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:02:51,476 INFO L93 Difference]: Finished difference Result 934 states and 1386 transitions. [2025-03-08 19:02:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:02:51,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-03-08 19:02:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:02:51,478 INFO L225 Difference]: With dead ends: 934 [2025-03-08 19:02:51,478 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:02:51,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:02:51,480 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 685 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:02:51,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 691 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-08 19:02:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:02:51,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:02:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:02:51,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2025-03-08 19:02:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:02:51,481 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:02:51,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:02:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:02:51,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:02:51,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:02:51,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:02:51,486 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 19:02:51,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:03:11,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:03:11,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:03:11 BoogieIcfgContainer [2025-03-08 19:03:11,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:03:11,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:03:11,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:03:11,306 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:03:11,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:02:26" (3/4) ... [2025-03-08 19:03:11,309 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:03:11,314 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_write_config_dword [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_read_config_word [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i7300_put_devices [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_name [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2025-03-08 19:03:11,315 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure edac_mc_free [2025-03-08 19:03:11,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 201 nodes and edges [2025-03-08 19:03:11,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2025-03-08 19:03:11,343 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2025-03-08 19:03:11,345 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-08 19:03:11,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-08 19:03:11,348 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 19:03:11,349 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 19:03:11,351 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:03:11,352 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:03:11,532 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:03:11,533 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:03:11,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:03:11,534 INFO L158 Benchmark]: Toolchain (without parser) took 52497.30ms. Allocated memory was 167.8MB in the beginning and 956.3MB in the end (delta: 788.5MB). Free memory was 119.1MB in the beginning and 371.8MB in the end (delta: -252.6MB). Peak memory consumption was 539.8MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,535 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:03:11,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.80ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 106.0MB in the end (delta: 12.2MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.46ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 95.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,536 INFO L158 Benchmark]: Boogie Preprocessor took 216.17ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 62.5MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,536 INFO L158 Benchmark]: IcfgBuilder took 5909.36ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 62.5MB in the beginning and 235.6MB in the end (delta: -173.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,536 INFO L158 Benchmark]: TraceAbstraction took 45182.68ms. Allocated memory was 352.3MB in the beginning and 956.3MB in the end (delta: 604.0MB). Free memory was 235.1MB in the beginning and 401.3MB in the end (delta: -166.2MB). Peak memory consumption was 446.1MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,537 INFO L158 Benchmark]: Witness Printer took 226.87ms. Allocated memory is still 956.3MB. Free memory was 401.3MB in the beginning and 371.8MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 19:03:11,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.80ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 106.0MB in the end (delta: 12.2MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.46ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 95.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.17ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 62.5MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * IcfgBuilder took 5909.36ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 62.5MB in the beginning and 235.6MB in the end (delta: -173.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * TraceAbstraction took 45182.68ms. Allocated memory was 352.3MB in the beginning and 956.3MB in the end (delta: 604.0MB). Free memory was 235.1MB in the beginning and 401.3MB in the end (delta: -166.2MB). Peak memory consumption was 446.1MB. Max. memory is 16.1GB. * Witness Printer took 226.87ms. Allocated memory is still 956.3MB. Free memory was 401.3MB in the beginning and 371.8MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4510]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 489 locations, 815 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 3465 SdHoareTripleChecker+Valid, 17.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3465 mSDsluCounter, 5568 SdHoareTripleChecker+Invalid, 17.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2084 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 3484 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=936occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3808]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3773]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3779]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3815]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3840]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3796]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) RESULT: Ultimate proved your program to be correct! [2025-03-08 19:03:11,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE