./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-e2fb8be-m [2025-03-08 19:11:12,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:11:12,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:11:12,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:11:12,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:11:12,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:11:12,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:11:12,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:11:12,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:11:12,225 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:11:12,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:11:12,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:11:12,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:11:12,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:11:12,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:11:12,226 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:11:12,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:11:12,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:11:12,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:11:12,227 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 [2025-03-08 19:11:12,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:11:12,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:11:12,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:11:12,437 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:11:12,437 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:11:12,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-08 19:11:13,571 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a5cb965a/83f322458190427f8fc4cd83bc38236d/FLAG459fc54a9 [2025-03-08 19:11:13,942 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:11:13,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-08 19:11:13,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a5cb965a/83f322458190427f8fc4cd83bc38236d/FLAG459fc54a9 [2025-03-08 19:11:13,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a5cb965a/83f322458190427f8fc4cd83bc38236d [2025-03-08 19:11:13,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:11:13,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:11:13,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:11:13,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:11:13,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:11:13,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:11:13" (1/1) ... [2025-03-08 19:11:13,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b92a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:13, skipping insertion in model container [2025-03-08 19:11:13,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:11:13" (1/1) ... [2025-03-08 19:11:14,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:11:14,573 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] [2025-03-08 19:11:14,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:11:14,800 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:11:14,951 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] [2025-03-08 19:11:15,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:11:15,069 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:11:15,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15 WrapperNode [2025-03-08 19:11:15,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:11:15,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:11:15,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:11:15,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:11:15,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,144 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2025-03-08 19:11:15,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:11:15,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:11:15,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:11:15,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:11:15,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,240 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 4, 23, 2, 2, 4, 4, 6, 86, 7, 26]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 0, 0, 4, 0, 0, 6, 7, 0]. The 94 writes are split as follows [0, 4, 23, 1, 1, 0, 3, 6, 30, 0, 26]. [2025-03-08 19:11:15,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:11:15,308 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:11:15,308 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:11:15,308 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:11:15,309 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (1/1) ... [2025-03-08 19:11:15,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:11:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:11:15,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:11:15,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:11:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-08 19:11:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:11:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:11:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-03-08 19:11:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:11:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:11:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:11:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:11:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2025-03-08 19:11:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2025-03-08 19:11:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:11:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:11:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:11:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-03-08 19:11:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:11:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-03-08 19:11:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 19:11:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 19:11:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-08 19:11:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-03-08 19:11:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:11:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:11:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:11:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:11:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:11:15,673 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:11:15,675 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:11:15,696 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc #t~ret200.base, #t~ret200.offset; [2025-03-08 19:11:15,698 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:11:15,709 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7403: havoc #t~nondet210; [2025-03-08 19:11:15,833 INFO L1307 $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; [2025-03-08 19:11:15,850 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet202; [2025-03-08 19:11:16,037 INFO L1307 $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; [2025-03-08 19:11:16,038 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc crc7_#t~nondet198#1; [2025-03-08 19:11:16,054 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet199; [2025-03-08 19:11:16,071 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6335: havoc __kmalloc_#t~ret18#1.base, __kmalloc_#t~ret18#1.offset; [2025-03-08 19:11:18,942 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc platform_device_alloc_#t~ret207#1.base, platform_device_alloc_#t~ret207#1.offset; [2025-03-08 19:11:18,942 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc ldv_setup_2_#t~nondet203#1; [2025-03-08 19:11:18,943 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc dev_set_drvdata_#t~nondet201#1; [2025-03-08 19:11:18,943 INFO L1307 $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; [2025-03-08 19:11:18,943 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc platform_device_add_#t~nondet204#1; [2025-03-08 19:11:18,943 INFO L1307 $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; [2025-03-08 19:11:18,943 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7378: havoc platform_device_add_data_#t~nondet205#1; [2025-03-08 19:11:18,943 INFO L1307 $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; [2025-03-08 19:11:18,943 INFO L1307 $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; [2025-03-08 19:11:18,944 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc spi_register_driver_#t~nondet208#1; [2025-03-08 19:11:18,944 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7382: havoc platform_device_add_resources_#t~nondet206#1; [2025-03-08 19:11:18,944 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc spi_setup_#t~nondet209#1; [2025-03-08 19:11:18,944 INFO L1307 $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; [2025-03-08 19:11:19,146 INFO L? ?]: Removed 456 outVars from TransFormulas that were not future-live. [2025-03-08 19:11:19,146 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:11:19,181 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:11:19,185 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:11:19,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:19 BoogieIcfgContainer [2025-03-08 19:11:19,185 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:11:19,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:11:19,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:11:19,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:11:19,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:11:13" (1/3) ... [2025-03-08 19:11:19,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a69108e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:11:19, skipping insertion in model container [2025-03-08 19:11:19,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:15" (2/3) ... [2025-03-08 19:11:19,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a69108e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:11:19, skipping insertion in model container [2025-03-08 19:11:19,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:19" (3/3) ... [2025-03-08 19:11:19,193 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 [2025-03-08 19:11:19,204 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:11:19,205 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, 428 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-03-08 19:11:19,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:11:19,275 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;@4bb789e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:11:19,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:11:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 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) [2025-03-08 19:11:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-08 19:11:19,287 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:19,288 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] [2025-03-08 19:11:19,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:19,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash 661014364, now seen corresponding path program 1 times [2025-03-08 19:11:19,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:19,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950290831] [2025-03-08 19:11:19,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:19,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 19:11:19,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 19:11:19,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:19,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:19,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:19,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950290831] [2025-03-08 19:11:19,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950290831] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:19,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:19,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:19,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075998266] [2025-03-08 19:11:19,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:19,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:19,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:19,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:19,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:19,826 INFO L87 Difference]: Start difference. First operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 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 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) [2025-03-08 19:11:22,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:11:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:22,550 INFO L93 Difference]: Finished difference Result 1170 states and 1684 transitions. [2025-03-08 19:11:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:22,553 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 [2025-03-08 19:11:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:22,570 INFO L225 Difference]: With dead ends: 1170 [2025-03-08 19:11:22,570 INFO L226 Difference]: Without dead ends: 748 [2025-03-08 19:11:22,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:22,578 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 486 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:11:22,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1082 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-08 19:11:22,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2025-03-08 19:11:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2025-03-08 19:11:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 542 states have (on average 1.2988929889298892) internal successors, (704), 550 states have internal predecessors, (704), 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) [2025-03-08 19:11:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2025-03-08 19:11:22,682 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 40 [2025-03-08 19:11:22,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:22,683 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2025-03-08 19:11:22,683 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) [2025-03-08 19:11:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2025-03-08 19:11:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 19:11:22,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:22,685 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] [2025-03-08 19:11:22,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:11:22,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:22,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash -360624366, now seen corresponding path program 1 times [2025-03-08 19:11:22,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:22,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329656384] [2025-03-08 19:11:22,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:22,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:22,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-08 19:11:22,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-08 19:11:22,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:22,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:23,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329656384] [2025-03-08 19:11:23,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329656384] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:23,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:23,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:23,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156084140] [2025-03-08 19:11:23,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:23,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:23,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:23,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,055 INFO L87 Difference]: Start difference. First operand 748 states and 1027 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) [2025-03-08 19:11:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:23,123 INFO L93 Difference]: Finished difference Result 750 states and 1028 transitions. [2025-03-08 19:11:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:23,124 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 [2025-03-08 19:11:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:23,131 INFO L225 Difference]: With dead ends: 750 [2025-03-08 19:11:23,131 INFO L226 Difference]: Without dead ends: 747 [2025-03-08 19:11:23,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,132 INFO L435 NwaCegarLoop]: 532 mSDtfsCounter, 522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 532 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 [2025-03-08 19:11:23,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 532 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:11:23,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-03-08 19:11:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2025-03-08 19:11:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 542 states have (on average 1.2970479704797049) internal successors, (703), 549 states have internal predecessors, (703), 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) [2025-03-08 19:11:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1025 transitions. [2025-03-08 19:11:23,180 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1025 transitions. Word has length 42 [2025-03-08 19:11:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:23,181 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1025 transitions. [2025-03-08 19:11:23,181 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) [2025-03-08 19:11:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1025 transitions. [2025-03-08 19:11:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-08 19:11:23,185 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:23,185 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] [2025-03-08 19:11:23,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:11:23,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:23,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:23,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1705049489, now seen corresponding path program 1 times [2025-03-08 19:11:23,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:23,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100026232] [2025-03-08 19:11:23,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:23,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:23,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 19:11:23,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 19:11:23,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:23,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:23,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:23,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100026232] [2025-03-08 19:11:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100026232] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:23,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:23,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128695840] [2025-03-08 19:11:23,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:23,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:23,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:23,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:23,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,461 INFO L87 Difference]: Start difference. First operand 747 states and 1025 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) [2025-03-08 19:11:23,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:23,525 INFO L93 Difference]: Finished difference Result 749 states and 1026 transitions. [2025-03-08 19:11:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:23,526 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 [2025-03-08 19:11:23,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:23,531 INFO L225 Difference]: With dead ends: 749 [2025-03-08 19:11:23,532 INFO L226 Difference]: Without dead ends: 746 [2025-03-08 19:11:23,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,533 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 530 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 [2025-03-08 19:11:23,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 530 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:11:23,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-03-08 19:11:23,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2025-03-08 19:11:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 542 states have (on average 1.2952029520295203) internal successors, (702), 548 states have internal predecessors, (702), 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) [2025-03-08 19:11:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2025-03-08 19:11:23,591 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 43 [2025-03-08 19:11:23,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:23,592 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2025-03-08 19:11:23,592 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) [2025-03-08 19:11:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2025-03-08 19:11:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-08 19:11:23,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:23,593 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, 1] [2025-03-08 19:11:23,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:11:23,593 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:23,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1316428531, now seen corresponding path program 1 times [2025-03-08 19:11:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:23,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284719712] [2025-03-08 19:11:23,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:23,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 19:11:23,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 19:11:23,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:23,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:23,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:23,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284719712] [2025-03-08 19:11:23,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284719712] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:23,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:23,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:23,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058076313] [2025-03-08 19:11:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:23,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:23,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:23,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:23,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,778 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-08 19:11:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:23,887 INFO L93 Difference]: Finished difference Result 748 states and 1024 transitions. [2025-03-08 19:11:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:23,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 44 [2025-03-08 19:11:23,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:23,894 INFO L225 Difference]: With dead ends: 748 [2025-03-08 19:11:23,894 INFO L226 Difference]: Without dead ends: 745 [2025-03-08 19:11:23,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:23,895 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 528 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 [2025-03-08 19:11:23,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 528 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:11:23,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2025-03-08 19:11:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2025-03-08 19:11:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 542 states have (on average 1.2933579335793357) internal successors, (701), 547 states have internal predecessors, (701), 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) [2025-03-08 19:11:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1021 transitions. [2025-03-08 19:11:23,954 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1021 transitions. Word has length 44 [2025-03-08 19:11:23,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:23,955 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1021 transitions. [2025-03-08 19:11:23,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-08 19:11:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1021 transitions. [2025-03-08 19:11:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-08 19:11:23,958 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:23,958 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, 1, 1] [2025-03-08 19:11:23,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:11:23,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:23,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash -2140887598, now seen corresponding path program 1 times [2025-03-08 19:11:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:23,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344256983] [2025-03-08 19:11:23,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:23,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:24,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 19:11:24,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 19:11:24,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:24,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:24,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:24,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344256983] [2025-03-08 19:11:24,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344256983] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:24,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:24,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639593833] [2025-03-08 19:11:24,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:24,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:24,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:24,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:24,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:24,092 INFO L87 Difference]: Start difference. First operand 745 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2025-03-08 19:11:24,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:24,148 INFO L93 Difference]: Finished difference Result 747 states and 1022 transitions. [2025-03-08 19:11:24,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:24,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 45 [2025-03-08 19:11:24,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:24,152 INFO L225 Difference]: With dead ends: 747 [2025-03-08 19:11:24,152 INFO L226 Difference]: Without dead ends: 744 [2025-03-08 19:11:24,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:24,153 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 526 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 [2025-03-08 19:11:24,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 526 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:11:24,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-03-08 19:11:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2025-03-08 19:11:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 542 states have (on average 1.2915129151291513) internal successors, (700), 546 states have internal predecessors, (700), 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) [2025-03-08 19:11:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1019 transitions. [2025-03-08 19:11:24,201 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1019 transitions. Word has length 45 [2025-03-08 19:11:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:24,201 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1019 transitions. [2025-03-08 19:11:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2025-03-08 19:11:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1019 transitions. [2025-03-08 19:11:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-08 19:11:24,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:24,202 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, 1, 1, 1] [2025-03-08 19:11:24,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:11:24,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:24,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1943506220, now seen corresponding path program 1 times [2025-03-08 19:11:24,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:24,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961153195] [2025-03-08 19:11:24,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:24,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:24,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 19:11:24,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 19:11:24,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:24,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:24,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:24,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961153195] [2025-03-08 19:11:24,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961153195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:24,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:24,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:24,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632703514] [2025-03-08 19:11:24,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:24,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:24,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:24,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:24,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:24,323 INFO L87 Difference]: Start difference. First operand 744 states and 1019 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2025-03-08 19:11:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:11:24,378 INFO L93 Difference]: Finished difference Result 744 states and 1019 transitions. [2025-03-08 19:11:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:11:24,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2025-03-08 19:11:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:11:24,379 INFO L225 Difference]: With dead ends: 744 [2025-03-08 19:11:24,379 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:11:24,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:24,381 INFO L435 NwaCegarLoop]: 524 mSDtfsCounter, 509 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 524 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 [2025-03-08 19:11:24,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 524 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:11:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:11:24,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:11:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:11:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:11:24,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-03-08 19:11:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:11:24,382 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:11:24,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2025-03-08 19:11:24,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:11:24,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:11:24,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:11:24,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:11:24,391 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 19:11:24,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:11:28,517 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:11:28,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:11:28 BoogieIcfgContainer [2025-03-08 19:11:28,533 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:11:28,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:11:28,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:11:28,534 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:11:28,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:19" (3/4) ... [2025-03-08 19:11:28,537 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-08 19:11:28,541 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_sync [2025-03-08 19:11:28,542 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:11:28,543 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:11:28,543 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2025-03-08 19:11:28,562 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2025-03-08 19:11:28,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-03-08 19:11:28,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-08 19:11:28,568 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-08 19:11:28,569 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 19:11:28,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:11:28,693 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:11:28,693 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:11:28,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:11:28,694 INFO L158 Benchmark]: Toolchain (without parser) took 14702.12ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 105.1MB in the beginning and 118.5MB in the end (delta: -13.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,694 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.07ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 89.2MB in the end (delta: 15.9MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.20ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: Boogie Preprocessor took 162.50ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 57.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: IcfgBuilder took 3877.32ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 57.2MB in the beginning and 128.7MB in the end (delta: -71.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: TraceAbstraction took 9346.31ms. Allocated memory was 218.1MB in the beginning and 226.5MB in the end (delta: 8.4MB). Free memory was 128.0MB in the beginning and 137.5MB in the end (delta: -9.5MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,695 INFO L158 Benchmark]: Witness Printer took 159.30ms. Allocated memory is still 226.5MB. Free memory was 137.5MB in the beginning and 118.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 19:11:28,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.07ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 89.2MB in the end (delta: 15.9MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.20ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.50ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 57.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * IcfgBuilder took 3877.32ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 57.2MB in the beginning and 128.7MB in the end (delta: -71.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9346.31ms. Allocated memory was 218.1MB in the beginning and 226.5MB in the end (delta: 8.4MB). Free memory was 128.0MB in the beginning and 137.5MB in the end (delta: -9.5MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Witness Printer took 159.30ms. Allocated memory is still 226.5MB. Free memory was 137.5MB in the beginning and 118.5MB in the end (delta: 19.0MB). 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, 428 locations, 685 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3065 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3065 mSDsluCounter, 3722 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 534 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3188 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=748occurred 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, 1.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 704 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! [2025-03-08 19:11:28,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE