./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.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 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 08:18:40,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 08:18:40,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 08:18:40,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 08:18:40,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 08:18:40,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 08:18:40,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 08:18:40,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 08:18:40,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 08:18:40,433 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 08:18:40,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 08:18:40,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 08:18:40,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 08:18:40,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 08:18:40,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 08:18:40,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 08:18:40,436 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 08:18:40,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:18:40,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 08:18:40,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 08:18:40,437 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 -> 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf [2025-03-17 08:18:40,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 08:18:40,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 08:18:40,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 08:18:40,659 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 08:18:40,659 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 08:18:40,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-17 08:18:41,800 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a264dcea7/00d11010f35f4e88b0cabc2972a4f474/FLAGe6b776dcb [2025-03-17 08:18:42,232 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 08:18:42,233 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-17 08:18:42,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a264dcea7/00d11010f35f4e88b0cabc2972a4f474/FLAGe6b776dcb [2025-03-17 08:18:42,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a264dcea7/00d11010f35f4e88b0cabc2972a4f474 [2025-03-17 08:18:42,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 08:18:42,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 08:18:42,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 08:18:42,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 08:18:42,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 08:18:42,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:18:42" (1/1) ... [2025-03-17 08:18:42,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d7f171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:42, skipping insertion in model container [2025-03-17 08:18:42,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:18:42" (1/1) ... [2025-03-17 08:18:42,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 08:18:42,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2025-03-17 08:18:43,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:18:43,117 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 08:18:43,258 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2025-03-17 08:18:43,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:18:43,366 INFO L204 MainTranslator]: Completed translation [2025-03-17 08:18:43,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43 WrapperNode [2025-03-17 08:18:43,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 08:18:43,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 08:18:43,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 08:18:43,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 08:18:43,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,431 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2025-03-17 08:18:43,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 08:18:43,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 08:18:43,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 08:18:43,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 08:18:43,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,531 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 86, 7, 2, 26, 6, 4, 4, 4, 2]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 6, 7, 0, 0, 0, 0, 4, 0, 0]. The 94 writes are split as follows [0, 23, 30, 0, 1, 26, 6, 3, 0, 4, 1]. [2025-03-17 08:18:43,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 08:18:43,610 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 08:18:43,611 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 08:18:43,611 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 08:18:43,611 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (1/1) ... [2025-03-17 08:18:43,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:18:43,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:18:43,636 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) [2025-03-17 08:18:43,638 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 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-17 08:18:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 08:18:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 08:18:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-03-17 08:18:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 08:18:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 08:18:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 08:18:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 08:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 08:18:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2025-03-17 08:18:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2025-03-17 08:18:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 08:18:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 08:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 08:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 08:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 08:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 08:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 08:18:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 08:18:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 08:18:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 08:18:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 08:18:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 08:18:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 08:18:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2025-03-17 08:18:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2025-03-17 08:18:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 08:18:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 08:18:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 08:18:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-03-17 08:18:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 08:18:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 08:18:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 08:18:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 08:18:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-03-17 08:18:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-17 08:18:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-17 08:18:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-03-17 08:18:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 08:18:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-17 08:18:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-17 08:18:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 08:18:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 08:18:43,955 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 08:18:43,957 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 08:18:43,984 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc #t~ret200.base, #t~ret200.offset; [2025-03-17 08:18:43,986 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 08:18:43,998 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7403: havoc #t~nondet210; [2025-03-17 08:18:44,110 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6520: call ULTIMATE.dealloc(~#t~0.base, ~#t~0.offset);havoc ~#t~0.base, ~#t~0.offset;call ULTIMATE.dealloc(~#m~0.base, ~#m~0.offset);havoc ~#m~0.base, ~#m~0.offset; [2025-03-17 08:18:44,129 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet202; [2025-03-17 08:18:44,395 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6550: call ULTIMATE.dealloc(~#crc~0#1.base, ~#crc~0#1.offset);havoc ~#crc~0#1.base, ~#crc~0#1.offset;call ULTIMATE.dealloc(~#t~1#1.base, ~#t~1#1.offset);havoc ~#t~1#1.base, ~#t~1#1.offset;call ULTIMATE.dealloc(~#m~1#1.base, ~#m~1#1.offset);havoc ~#m~1#1.base, ~#m~1#1.offset; [2025-03-17 08:18:44,395 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc crc7_#t~nondet198#1; [2025-03-17 08:18:44,415 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet199; [2025-03-17 08:18:44,427 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6335: havoc __kmalloc_#t~ret18#1.base, __kmalloc_#t~ret18#1.offset; [2025-03-17 08:18:48,850 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc platform_device_alloc_#t~ret207#1.base, platform_device_alloc_#t~ret207#1.offset; [2025-03-17 08:18:48,850 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc ldv_setup_2_#t~nondet203#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc dev_set_drvdata_#t~nondet201#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: call ULTIMATE.dealloc(wl12xx_spi_raw_read_~#t~3#1.base, wl12xx_spi_raw_read_~#t~3#1.offset);havoc wl12xx_spi_raw_read_~#t~3#1.base, wl12xx_spi_raw_read_~#t~3#1.offset;call ULTIMATE.dealloc(wl12xx_spi_raw_read_~#m~3#1.base, wl12xx_spi_raw_read_~#m~3#1.offset);havoc wl12xx_spi_raw_read_~#m~3#1.base, wl12xx_spi_raw_read_~#m~3#1.offset; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc platform_device_add_#t~nondet204#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6798: call ULTIMATE.dealloc(wl1271_probe_~#res~0#1.base, wl1271_probe_~#res~0#1.offset);havoc wl1271_probe_~#res~0#1.base, wl1271_probe_~#res~0#1.offset; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7378: havoc platform_device_add_data_#t~nondet205#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932: call ULTIMATE.dealloc(main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset);havoc main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset);havoc main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6602: call ULTIMATE.dealloc(wl12xx_spi_read_busy_~#t~2#1.base, wl12xx_spi_read_busy_~#t~2#1.offset);havoc wl12xx_spi_read_busy_~#t~2#1.base, wl12xx_spi_read_busy_~#t~2#1.offset;call ULTIMATE.dealloc(wl12xx_spi_read_busy_~#m~2#1.base, wl12xx_spi_read_busy_~#m~2#1.offset);havoc wl12xx_spi_read_busy_~#m~2#1.base, wl12xx_spi_read_busy_~#m~2#1.offset; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc spi_register_driver_#t~nondet208#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7382: havoc platform_device_add_resources_#t~nondet206#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc spi_setup_#t~nondet209#1; [2025-03-17 08:18:48,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6724: call ULTIMATE.dealloc(wl12xx_spi_raw_write_~#t~4#1.base, wl12xx_spi_raw_write_~#t~4#1.offset);havoc wl12xx_spi_raw_write_~#t~4#1.base, wl12xx_spi_raw_write_~#t~4#1.offset;call ULTIMATE.dealloc(wl12xx_spi_raw_write_~#m~4#1.base, wl12xx_spi_raw_write_~#m~4#1.offset);havoc wl12xx_spi_raw_write_~#m~4#1.base, wl12xx_spi_raw_write_~#m~4#1.offset;call ULTIMATE.dealloc(wl12xx_spi_raw_write_~#commands~0#1.base, wl12xx_spi_raw_write_~#commands~0#1.offset);havoc wl12xx_spi_raw_write_~#commands~0#1.base, wl12xx_spi_raw_write_~#commands~0#1.offset; [2025-03-17 08:18:49,002 INFO L? ?]: Removed 396 outVars from TransFormulas that were not future-live. [2025-03-17 08:18:49,002 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 08:18:49,041 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 08:18:49,041 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 08:18:49,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:18:49 BoogieIcfgContainer [2025-03-17 08:18:49,042 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 08:18:49,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 08:18:49,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 08:18:49,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 08:18:49,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:18:42" (1/3) ... [2025-03-17 08:18:49,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be0907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:18:49, skipping insertion in model container [2025-03-17 08:18:49,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:18:43" (2/3) ... [2025-03-17 08:18:49,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be0907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:18:49, skipping insertion in model container [2025-03-17 08:18:49,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:18:49" (3/3) ... [2025-03-17 08:18:49,049 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-17 08:18:49,059 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 08:18:49,060 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i that has 29 procedures, 410 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-03-17 08:18:49,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 08:18:49,128 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;@635f5e62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 08:18:49,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 08:18:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 276 states have (on average 1.358695652173913) internal successors, (375), 288 states have internal predecessors, (375), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-17 08:18:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 08:18:49,139 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:49,140 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:49,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:49,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1493333376, now seen corresponding path program 1 times [2025-03-17 08:18:49,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:49,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312324795] [2025-03-17 08:18:49,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:49,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 08:18:49,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 08:18:49,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:49,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:49,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:49,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312324795] [2025-03-17 08:18:49,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312324795] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:49,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:49,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:49,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757505323] [2025-03-17 08:18:49,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:49,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:49,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:49,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:49,712 INFO L87 Difference]: Start difference. First operand has 393 states, 276 states have (on average 1.358695652173913) internal successors, (375), 288 states have internal predecessors, (375), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 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 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:50,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:50,397 INFO L93 Difference]: Finished difference Result 1125 states and 1639 transitions. [2025-03-17 08:18:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:50,401 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), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2025-03-17 08:18:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:50,415 INFO L225 Difference]: With dead ends: 1125 [2025-03-17 08:18:50,416 INFO L226 Difference]: Without dead ends: 720 [2025-03-17 08:18:50,423 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 [2025-03-17 08:18:50,425 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 475 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:50,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1047 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 08:18:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2025-03-17 08:18:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2025-03-17 08:18:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 514 states have (on average 1.3151750972762646) internal successors, (676), 522 states have internal predecessors, (676), 164 states have call successors, (164), 42 states have call predecessors, (164), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-03-17 08:18:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 999 transitions. [2025-03-17 08:18:50,532 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 999 transitions. Word has length 37 [2025-03-17 08:18:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:50,534 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 999 transitions. [2025-03-17 08:18:50,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 999 transitions. [2025-03-17 08:18:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 08:18:50,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:50,536 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 08:18:50,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1187620436, now seen corresponding path program 1 times [2025-03-17 08:18:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341578576] [2025-03-17 08:18:50,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:50,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 08:18:50,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 08:18:50,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:50,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341578576] [2025-03-17 08:18:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341578576] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:50,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458409183] [2025-03-17 08:18:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:50,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:50,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:50,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:50,879 INFO L87 Difference]: Start difference. First operand 720 states and 999 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:50,950 INFO L93 Difference]: Finished difference Result 722 states and 1000 transitions. [2025-03-17 08:18:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:50,951 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), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2025-03-17 08:18:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:50,958 INFO L225 Difference]: With dead ends: 722 [2025-03-17 08:18:50,958 INFO L226 Difference]: Without dead ends: 719 [2025-03-17 08:18:50,959 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 [2025-03-17 08:18:50,960 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 507 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:50,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 514 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:18:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2025-03-17 08:18:51,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2025-03-17 08:18:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 514 states have (on average 1.3132295719844358) internal successors, (675), 521 states have internal predecessors, (675), 163 states have call successors, (163), 42 states have call predecessors, (163), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-03-17 08:18:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 997 transitions. [2025-03-17 08:18:51,009 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 997 transitions. Word has length 39 [2025-03-17 08:18:51,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:51,009 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 997 transitions. [2025-03-17 08:18:51,009 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), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 997 transitions. [2025-03-17 08:18:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 08:18:51,010 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:51,010 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:51,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 08:18:51,011 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:51,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:51,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1837998965, now seen corresponding path program 1 times [2025-03-17 08:18:51,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:51,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361187641] [2025-03-17 08:18:51,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:51,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:51,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 08:18:51,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 08:18:51,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:51,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:51,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:51,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361187641] [2025-03-17 08:18:51,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361187641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:51,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:51,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:51,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464857701] [2025-03-17 08:18:51,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:51,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:51,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:51,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:51,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:51,308 INFO L87 Difference]: Start difference. First operand 719 states and 997 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:51,379 INFO L93 Difference]: Finished difference Result 721 states and 998 transitions. [2025-03-17 08:18:51,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:51,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2025-03-17 08:18:51,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:51,384 INFO L225 Difference]: With dead ends: 721 [2025-03-17 08:18:51,386 INFO L226 Difference]: Without dead ends: 718 [2025-03-17 08:18:51,387 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 [2025-03-17 08:18:51,387 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 504 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:51,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 512 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:18:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2025-03-17 08:18:51,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2025-03-17 08:18:51,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 514 states have (on average 1.311284046692607) internal successors, (674), 520 states have internal predecessors, (674), 162 states have call successors, (162), 42 states have call predecessors, (162), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-03-17 08:18:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 995 transitions. [2025-03-17 08:18:51,440 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 995 transitions. Word has length 40 [2025-03-17 08:18:51,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:51,440 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 995 transitions. [2025-03-17 08:18:51,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 995 transitions. [2025-03-17 08:18:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 08:18:51,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:51,444 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:51,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 08:18:51,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:51,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:51,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1142918861, now seen corresponding path program 1 times [2025-03-17 08:18:51,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:51,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613430416] [2025-03-17 08:18:51,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:51,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:51,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 08:18:51,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 08:18:51,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:51,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:51,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:51,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613430416] [2025-03-17 08:18:51,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613430416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:51,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:51,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240679378] [2025-03-17 08:18:51,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:51,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:51,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:51,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:51,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:51,573 INFO L87 Difference]: Start difference. First operand 718 states and 995 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:51,633 INFO L93 Difference]: Finished difference Result 720 states and 996 transitions. [2025-03-17 08:18:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:51,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2025-03-17 08:18:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:51,639 INFO L225 Difference]: With dead ends: 720 [2025-03-17 08:18:51,639 INFO L226 Difference]: Without dead ends: 717 [2025-03-17 08:18:51,640 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 [2025-03-17 08:18:51,640 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 501 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:51,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 510 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:18:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2025-03-17 08:18:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2025-03-17 08:18:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 514 states have (on average 1.3093385214007782) internal successors, (673), 519 states have internal predecessors, (673), 161 states have call successors, (161), 42 states have call predecessors, (161), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-03-17 08:18:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions. [2025-03-17 08:18:51,694 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 41 [2025-03-17 08:18:51,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:51,695 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions. [2025-03-17 08:18:51,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions. [2025-03-17 08:18:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 08:18:51,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:51,698 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:51,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 08:18:51,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:51,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:51,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1070271094, now seen corresponding path program 1 times [2025-03-17 08:18:51,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:51,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978493721] [2025-03-17 08:18:51,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:51,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 08:18:51,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 08:18:51,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:51,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978493721] [2025-03-17 08:18:51,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978493721] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:51,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:51,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403884044] [2025-03-17 08:18:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:51,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:51,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:51,819 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:51,876 INFO L93 Difference]: Finished difference Result 719 states and 994 transitions. [2025-03-17 08:18:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:51,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2025-03-17 08:18:51,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:51,880 INFO L225 Difference]: With dead ends: 719 [2025-03-17 08:18:51,880 INFO L226 Difference]: Without dead ends: 716 [2025-03-17 08:18:51,880 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 [2025-03-17 08:18:51,881 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 498 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:51,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 508 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:18:51,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2025-03-17 08:18:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2025-03-17 08:18:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 514 states have (on average 1.3073929961089494) internal successors, (672), 518 states have internal predecessors, (672), 160 states have call successors, (160), 42 states have call predecessors, (160), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-03-17 08:18:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 991 transitions. [2025-03-17 08:18:51,928 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 991 transitions. Word has length 42 [2025-03-17 08:18:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:51,928 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 991 transitions. [2025-03-17 08:18:51,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 991 transitions. [2025-03-17 08:18:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 08:18:51,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:18:51,929 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:18:51,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 08:18:51,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:18:51,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:18:51,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1181810706, now seen corresponding path program 1 times [2025-03-17 08:18:51,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:18:51,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931517752] [2025-03-17 08:18:51,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:18:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:18:51,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 08:18:51,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 08:18:51,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:18:51,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:18:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 08:18:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:18:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931517752] [2025-03-17 08:18:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931517752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:18:52,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:18:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:18:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803466278] [2025-03-17 08:18:52,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:18:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:18:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:18:52,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:18:52,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:18:52,038 INFO L87 Difference]: Start difference. First operand 716 states and 991 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:52,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:18:52,094 INFO L93 Difference]: Finished difference Result 716 states and 991 transitions. [2025-03-17 08:18:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:18:52,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2025-03-17 08:18:52,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:18:52,096 INFO L225 Difference]: With dead ends: 716 [2025-03-17 08:18:52,096 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 08:18:52,097 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 [2025-03-17 08:18:52,101 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 494 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:18:52,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 506 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:18:52,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 08:18:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 08:18:52,102 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) [2025-03-17 08:18:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 08:18:52,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2025-03-17 08:18:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:18:52,103 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 08:18:52,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:18:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 08:18:52,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 08:18:52,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 08:18:52,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 08:18:52,107 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-17 08:18:52,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 08:18:56,102 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 08:18:56,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 08:18:56 BoogieIcfgContainer [2025-03-17 08:18:56,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 08:18:56,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 08:18:56,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 08:18:56,111 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 08:18:56,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:18:49" (3/4) ... [2025-03-17 08:18:56,113 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_sync [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-17 08:18:56,119 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-17 08:18:56,120 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2025-03-17 08:18:56,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2025-03-17 08:18:56,134 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-03-17 08:18:56,135 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-17 08:18:56,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-17 08:18:56,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 08:18:56,138 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 08:18:56,257 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 08:18:56,257 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 08:18:56,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 08:18:56,258 INFO L158 Benchmark]: Toolchain (without parser) took 13978.03ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 96.9MB in the beginning and 345.7MB in the end (delta: -248.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,258 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory was 127.0MB in the beginning and 126.7MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 08:18:56,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.41ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.07ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 74.4MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,259 INFO L158 Benchmark]: Boogie Preprocessor took 177.43ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 49.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,259 INFO L158 Benchmark]: IcfgBuilder took 5431.26ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 49.2MB in the beginning and 224.9MB in the end (delta: -175.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,259 INFO L158 Benchmark]: TraceAbstraction took 7066.50ms. Allocated memory was 360.7MB in the beginning and 444.6MB in the end (delta: 83.9MB). Free memory was 224.3MB in the beginning and 366.5MB in the end (delta: -142.2MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,259 INFO L158 Benchmark]: Witness Printer took 146.96ms. Allocated memory is still 444.6MB. Free memory was 366.5MB in the beginning and 345.7MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 08:18:56,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory was 127.0MB in the beginning and 126.7MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.41ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.07ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 74.4MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.43ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 49.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * IcfgBuilder took 5431.26ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 49.2MB in the beginning and 224.9MB in the end (delta: -175.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7066.50ms. Allocated memory was 360.7MB in the beginning and 444.6MB in the end (delta: 83.9MB). Free memory was 224.3MB in the beginning and 366.5MB in the end (delta: -142.2MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. * Witness Printer took 146.96ms. Allocated memory is still 444.6MB. Free memory was 366.5MB in the beginning and 345.7MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. 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: 6418]: 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 29 procedures, 410 locations, 667 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2979 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2979 mSDsluCounter, 3597 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 517 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3080 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 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 RESULT: Ultimate proved your program to be correct! [2025-03-17 08:18:56,280 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