./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-798a7b3-m [2025-03-04 03:50:43,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:50:43,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:50:43,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:50:43,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:50:43,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:50:43,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:50:43,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:50:43,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:50:43,866 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:50:43,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:50:43,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:50:43,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:50:43,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:50:43,867 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:50:43,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:50:43,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:50:43,868 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:50:43,869 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:50:43,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:50:43,869 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:50:43,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:50:43,870 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 [2025-03-04 03:50:44,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:50:44,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:50:44,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:50:44,106 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:50:44,106 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:50:44,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-04 03:50:45,172 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb14e5cc/7c3dcf8ca3374d759904967ff57e9d1b/FLAGc1e8b22f9 [2025-03-04 03:50:45,508 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:50:45,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-04 03:50:45,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb14e5cc/7c3dcf8ca3374d759904967ff57e9d1b/FLAGc1e8b22f9 [2025-03-04 03:50:45,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb14e5cc/7c3dcf8ca3374d759904967ff57e9d1b [2025-03-04 03:50:45,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:50:45,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:50:45,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:50:45,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:50:45,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:50:45,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:50:45" (1/1) ... [2025-03-04 03:50:45,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a67e0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:45, skipping insertion in model container [2025-03-04 03:50:45,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:50:45" (1/1) ... [2025-03-04 03:50:45,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:50:46,389 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] [2025-03-04 03:50:46,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:50:46,462 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:50:46,638 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] [2025-03-04 03:50:46,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:50:46,682 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:50:46,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46 WrapperNode [2025-03-04 03:50:46,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:50:46,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:50:46,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:50:46,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:50:46,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,765 INFO L138 Inliner]: procedures = 108, calls = 867, calls flagged for inlining = 44, calls inlined = 34, statements flattened = 1912 [2025-03-04 03:50:46,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:50:46,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:50:46,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:50:46,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:50:46,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,783 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,885 INFO L175 MemorySlicer]: Split 395 memory accesses to 20 slices as follows [2, 4, 42, 6, 6, 7, 6, 8, 8, 9, 8, 14, 3, 9, 24, 26, 4, 4, 172, 33]. 44 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [2, 4, 0, 6, 6, 7, 6, 8, 8, 0, 8, 14, 2, 8, 0, 0, 4, 4, 6, 0]. The 184 writes are split as follows [0, 0, 42, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 24, 26, 0, 0, 50, 33]. [2025-03-04 03:50:46,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:46,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:47,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:50:47,004 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:50:47,004 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:50:47,004 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:50:47,005 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (1/1) ... [2025-03-04 03:50:47,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:50:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:47,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:50:47,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2025-03-04 03:50:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 03:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 03:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 03:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 03:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2025-03-04 03:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2025-03-04 03:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 03:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2025-03-04 03:50:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_free [2025-03-04 03:50:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_free [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:50:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:50:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2025-03-04 03:50:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_put_devices [2025-03-04 03:50:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_put_devices [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 03:50:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 03:50:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 03:50:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:50:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:50:47,406 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:50:47,407 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:50:47,455 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4911: havoc pci_bus_write_config_dword_#t~nondet425#1; [2025-03-04 03:50:47,475 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3303: havoc ~res~0#1.base, ~res~0#1.offset; [2025-03-04 03:50:47,492 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4907: havoc pci_bus_read_config_word_#t~nondet424#1; [2025-03-04 03:50:47,515 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc kobject_name_#t~mem10#1.base, kobject_name_#t~mem10#1.offset; [2025-03-04 03:50:47,515 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3251: havoc dev_name_#t~mem12#1.base, dev_name_#t~mem12#1.offset; [2025-03-04 03:50:47,527 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4903: havoc pci_bus_read_config_dword_#t~nondet423#1; [2025-03-04 03:50:47,533 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4921: havoc #t~ret427.base, #t~ret427.offset; [2025-03-04 03:50:47,555 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4928: havoc #t~nondet428; [2025-03-04 03:50:52,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4863: havoc __pci_register_driver_#t~nondet416#1; [2025-03-04 03:50:52,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3313: havoc __kmalloc_#t~ret48#1.base, __kmalloc_#t~ret48#1.offset; [2025-03-04 03:50:52,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4867: havoc edac_mc_add_mc_#t~nondet417#1; [2025-03-04 03:50:52,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4870: havoc edac_mc_alloc_#t~ret418#1.base, edac_mc_alloc_#t~ret418#1.offset; [2025-03-04 03:50:52,685 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4873: havoc edac_mc_del_mc_#t~ret419#1.base, edac_mc_del_mc_#t~ret419#1.offset; [2025-03-04 03:50:52,686 INFO L1325 $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; [2025-03-04 03:50:52,686 INFO L1325 $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; [2025-03-04 03:50:52,686 INFO L1325 $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; [2025-03-04 03:50:52,686 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4918: havoc pci_enable_device_#t~nondet426#1; [2025-03-04 03:50:52,686 INFO L1325 $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; [2025-03-04 03:50:52,814 INFO L? ?]: Removed 498 outVars from TransFormulas that were not future-live. [2025-03-04 03:50:52,815 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:50:52,851 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:50:52,851 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:50:52,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:50:52 BoogieIcfgContainer [2025-03-04 03:50:52,852 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:50:52,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:50:52,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:50:52,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:50:52,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:50:45" (1/3) ... [2025-03-04 03:50:52,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1286bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:50:52, skipping insertion in model container [2025-03-04 03:50:52,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:46" (2/3) ... [2025-03-04 03:50:52,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1286bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:50:52, skipping insertion in model container [2025-03-04 03:50:52,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:50:52" (3/3) ... [2025-03-04 03:50:52,860 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2025-03-04 03:50:52,870 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:50:52,871 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. [2025-03-04 03:50:52,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:50:52,922 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;@a556610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:50:52,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:50:52,926 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) [2025-03-04 03:50:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 03:50:52,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:52,932 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:50:52,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:52,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1310580346, now seen corresponding path program 1 times [2025-03-04 03:50:52,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:52,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472846702] [2025-03-04 03:50:52,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:52,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:54,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 03:50:54,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 03:50:54,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:54,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:54,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:54,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472846702] [2025-03-04 03:50:54,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472846702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:54,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:50:54,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:50:54,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722531107] [2025-03-04 03:50:54,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:54,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:54,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:54,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:54,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:54,775 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) [2025-03-04 03:50:58,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 03:50:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:59,280 INFO L93 Difference]: Finished difference Result 1423 states and 2141 transitions. [2025-03-04 03:50:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:59,282 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 [2025-03-04 03:50:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:59,293 INFO L225 Difference]: With dead ends: 1423 [2025-03-04 03:50:59,293 INFO L226 Difference]: Without dead ends: 933 [2025-03-04 03:50:59,298 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 [2025-03-04 03:50:59,300 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, 4.4s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:59,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1371 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-03-04 03:50:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2025-03-04 03:50:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 933. [2025-03-04 03:50:59,393 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) [2025-03-04 03:50:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1388 transitions. [2025-03-04 03:50:59,409 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1388 transitions. Word has length 17 [2025-03-04 03:50:59,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:59,410 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1388 transitions. [2025-03-04 03:50:59,411 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) [2025-03-04 03:50:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1388 transitions. [2025-03-04 03:50:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 03:50:59,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:59,414 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] [2025-03-04 03:50:59,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:50:59,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:59,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash -71825016, now seen corresponding path program 1 times [2025-03-04 03:50:59,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:59,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000789743] [2025-03-04 03:50:59,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:00,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 03:51:00,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 03:51:00,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:00,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:00,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:00,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000789743] [2025-03-04 03:51:00,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000789743] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:00,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:51:00,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 03:51:00,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133322402] [2025-03-04 03:51:00,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:00,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 03:51:00,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:00,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 03:51:00,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:00,846 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) [2025-03-04 03:51:01,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:01,425 INFO L93 Difference]: Finished difference Result 1875 states and 2787 transitions. [2025-03-04 03:51:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 03:51:01,425 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 [2025-03-04 03:51:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:01,432 INFO L225 Difference]: With dead ends: 1875 [2025-03-04 03:51:01,433 INFO L226 Difference]: Without dead ends: 945 [2025-03-04 03:51:01,437 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 [2025-03-04 03:51:01,438 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 [2025-03-04 03:51:01,438 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] [2025-03-04 03:51:01,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2025-03-04 03:51:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 936. [2025-03-04 03:51:01,469 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) [2025-03-04 03:51:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1390 transitions. [2025-03-04 03:51:01,473 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1390 transitions. Word has length 26 [2025-03-04 03:51:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:01,474 INFO L471 AbstractCegarLoop]: Abstraction has 936 states and 1390 transitions. [2025-03-04 03:51:01,474 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) [2025-03-04 03:51:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1390 transitions. [2025-03-04 03:51:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 03:51:01,475 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:01,475 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] [2025-03-04 03:51:01,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 03:51:01,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:01,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:01,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1850650328, now seen corresponding path program 1 times [2025-03-04 03:51:01,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:01,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403718294] [2025-03-04 03:51:01,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:01,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:02,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 03:51:02,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 03:51:02,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:02,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:02,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403718294] [2025-03-04 03:51:02,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403718294] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:02,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:51:02,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:51:02,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304360195] [2025-03-04 03:51:02,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:02,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:02,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:02,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:02,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:51:02,727 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) [2025-03-04 03:51:06,751 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 [] [2025-03-04 03:51:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:06,940 INFO L93 Difference]: Finished difference Result 938 states and 1391 transitions. [2025-03-04 03:51:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:06,940 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 [2025-03-04 03:51:06,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:06,946 INFO L225 Difference]: With dead ends: 938 [2025-03-04 03:51:06,946 INFO L226 Difference]: Without dead ends: 935 [2025-03-04 03:51:06,947 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 [2025-03-04 03:51:06,947 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 [2025-03-04 03:51:06,947 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] [2025-03-04 03:51:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2025-03-04 03:51:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935. [2025-03-04 03:51:06,985 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) [2025-03-04 03:51:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1388 transitions. [2025-03-04 03:51:06,990 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1388 transitions. Word has length 26 [2025-03-04 03:51:06,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:06,990 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1388 transitions. [2025-03-04 03:51:06,990 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) [2025-03-04 03:51:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1388 transitions. [2025-03-04 03:51:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-04 03:51:06,994 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:06,994 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] [2025-03-04 03:51:06,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 03:51:06,995 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:06,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:06,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1536300715, now seen corresponding path program 1 times [2025-03-04 03:51:06,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:06,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256835036] [2025-03-04 03:51:06,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:06,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:07,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 03:51:07,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 03:51:07,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:07,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:08,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:08,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256835036] [2025-03-04 03:51:08,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256835036] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:08,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:51:08,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:51:08,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86263440] [2025-03-04 03:51:08,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:08,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:08,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:08,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:08,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:51:08,160 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) [2025-03-04 03:51:12,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 03:51:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:12,354 INFO L93 Difference]: Finished difference Result 937 states and 1389 transitions. [2025-03-04 03:51:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:12,356 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 [2025-03-04 03:51:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:12,360 INFO L225 Difference]: With dead ends: 937 [2025-03-04 03:51:12,360 INFO L226 Difference]: Without dead ends: 934 [2025-03-04 03:51:12,360 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 [2025-03-04 03:51:12,361 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 [2025-03-04 03:51:12,361 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] [2025-03-04 03:51:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2025-03-04 03:51:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 934. [2025-03-04 03:51:12,390 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) [2025-03-04 03:51:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1386 transitions. [2025-03-04 03:51:12,394 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1386 transitions. Word has length 27 [2025-03-04 03:51:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:12,394 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1386 transitions. [2025-03-04 03:51:12,394 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) [2025-03-04 03:51:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1386 transitions. [2025-03-04 03:51:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 03:51:12,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:12,395 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] [2025-03-04 03:51:12,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 03:51:12,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:12,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:12,396 INFO L85 PathProgramCache]: Analyzing trace with hash -381398327, now seen corresponding path program 1 times [2025-03-04 03:51:12,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:12,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022095215] [2025-03-04 03:51:12,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:12,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:13,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 03:51:13,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 03:51:13,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:13,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:13,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:13,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022095215] [2025-03-04 03:51:13,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022095215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:13,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:51:13,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:51:13,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60164883] [2025-03-04 03:51:13,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:13,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:13,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:13,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:13,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:51:13,474 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) [2025-03-04 03:51:17,499 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 [] [2025-03-04 03:51:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:17,683 INFO L93 Difference]: Finished difference Result 934 states and 1386 transitions. [2025-03-04 03:51:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:17,685 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 [2025-03-04 03:51:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:17,685 INFO L225 Difference]: With dead ends: 934 [2025-03-04 03:51:17,685 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 03:51:17,687 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 [2025-03-04 03:51:17,689 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 [2025-03-04 03:51:17,689 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] [2025-03-04 03:51:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 03:51:17,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 03:51:17,691 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) [2025-03-04 03:51:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 03:51:17,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2025-03-04 03:51:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:17,692 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 03:51:17,692 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) [2025-03-04 03:51:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 03:51:17,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 03:51:17,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 03:51:17,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 03:51:17,696 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-04 03:51:17,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 03:51:36,971 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 03:51:36,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:51:36 BoogieIcfgContainer [2025-03-04 03:51:36,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 03:51:36,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 03:51:36,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 03:51:36,984 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 03:51:36,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:50:52" (3/4) ... [2025-03-04 03:51:36,986 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 03:51:36,991 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_write_config_dword [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_read_config_word [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure i7300_put_devices [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_name [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2025-03-04 03:51:36,992 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2025-03-04 03:51:36,993 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure edac_mc_free [2025-03-04 03:51:37,015 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 201 nodes and edges [2025-03-04 03:51:37,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2025-03-04 03:51:37,019 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2025-03-04 03:51:37,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-04 03:51:37,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-04 03:51:37,024 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-04 03:51:37,025 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 03:51:37,027 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:51:37,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:51:37,208 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 03:51:37,208 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 03:51:37,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 03:51:37,209 INFO L158 Benchmark]: Toolchain (without parser) took 51465.74ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 107.4MB in the beginning and 779.0MB in the end (delta: -671.6MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,209 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:51:37,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.34ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 81.8MB in the end (delta: 25.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.49ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 69.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,211 INFO L158 Benchmark]: Boogie Preprocessor took 237.14ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 95.1MB in the end (delta: -25.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,212 INFO L158 Benchmark]: IcfgBuilder took 5848.42ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 95.1MB in the beginning and 98.2MB in the end (delta: -3.1MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,212 INFO L158 Benchmark]: TraceAbstraction took 44128.74ms. Allocated memory was 201.3MB in the beginning and 906.0MB in the end (delta: 704.6MB). Free memory was 97.3MB in the beginning and 808.1MB in the end (delta: -710.9MB). Peak memory consumption was 488.5MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,213 INFO L158 Benchmark]: Witness Printer took 225.04ms. Allocated memory is still 906.0MB. Free memory was 808.1MB in the beginning and 779.0MB in the end (delta: 29.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 03:51:37,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.34ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 81.8MB in the end (delta: 25.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.49ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 69.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 237.14ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 95.1MB in the end (delta: -25.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * IcfgBuilder took 5848.42ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 95.1MB in the beginning and 98.2MB in the end (delta: -3.1MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * TraceAbstraction took 44128.74ms. Allocated memory was 201.3MB in the beginning and 906.0MB in the end (delta: 704.6MB). Free memory was 97.3MB in the beginning and 808.1MB in the end (delta: -710.9MB). Peak memory consumption was 488.5MB. Max. memory is 16.1GB. * Witness Printer took 225.04ms. Allocated memory is still 906.0MB. Free memory was 808.1MB in the beginning and 779.0MB in the end (delta: 29.1MB). 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, 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, 17.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3465 mSDsluCounter, 5568 SdHoareTripleChecker+Invalid, 17.2s 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, 0.2s 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! [2025-03-04 03:51:37,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE