./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-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-?-798a7b3-m [2025-03-04 03:59:37,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:59:37,742 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:59:37,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:59:37,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:59:37,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:59:37,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:59:37,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:59:37,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:59:37,768 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:59:37,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:59:37,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:59:37,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:59:37,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:59:37,770 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:59:37,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:59:37,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:59:37,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:59:37,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:59:37,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:59:37,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:59:37,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:59:37,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:59:37,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:59:37,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:59:37,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:59:37,773 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 [2025-03-04 03:59:38,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:59:38,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:59:38,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:59:38,044 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:59:38,044 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:59:38,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-04 03:59:39,318 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0534886ac/eb2e88fc90f2458ab3be93a4c667d305/FLAG088c58d1b [2025-03-04 03:59:39,814 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:59:39,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-03-04 03:59:39,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0534886ac/eb2e88fc90f2458ab3be93a4c667d305/FLAG088c58d1b [2025-03-04 03:59:39,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0534886ac/eb2e88fc90f2458ab3be93a4c667d305 [2025-03-04 03:59:39,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:59:39,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:59:39,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:59:39,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:59:39,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:59:39,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:59:39" (1/1) ... [2025-03-04 03:59:39,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3c5870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:39, skipping insertion in model container [2025-03-04 03:59:39,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:59:39" (1/1) ... [2025-03-04 03:59:39,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:59:40,496 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] [2025-03-04 03:59:40,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:59:40,710 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:59:40,881 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] [2025-03-04 03:59:40,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:59:40,994 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:59:40,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40 WrapperNode [2025-03-04 03:59:40,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:59:40,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:59:40,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:59:40,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:59:41,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,077 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2025-03-04 03:59:41,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:59:41,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:59:41,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:59:41,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:59:41,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,209 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 6, 4, 26, 4, 7, 86, 2, 2, 4]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 0, 0, 4, 7, 6, 0, 0, 0]. The 94 writes are split as follows [0, 23, 6, 3, 26, 0, 0, 30, 1, 1, 4]. [2025-03-04 03:59:41,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,240 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:59:41,274 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:59:41,274 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:59:41,274 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:59:41,276 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (1/1) ... [2025-03-04 03:59:41,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:59:41,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:59:41,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:59:41,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-04 03:59:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 03:59:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 03:59:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-03-04 03:59:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 03:59:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 03:59:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:59:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 03:59:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 03:59:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 03:59:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 03:59:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2025-03-04 03:59:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2025-03-04 03:59:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2025-03-04 03:59:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 03:59:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 03:59:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 03:59:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 03:59:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 03:59:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 03:59:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 03:59:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 03:59:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 03:59:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:59:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:59:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2025-03-04 03:59:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:59:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-03-04 03:59:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 03:59:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 03:59:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:59:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:59:41,661 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:59:41,663 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:59:41,686 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc #t~ret200.base, #t~ret200.offset; [2025-03-04 03:59:41,689 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 03:59:41,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7403: havoc #t~nondet210; [2025-03-04 03:59:41,830 INFO L1325 $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; [2025-03-04 03:59:41,858 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet202; [2025-03-04 03:59:42,140 INFO L1325 $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; [2025-03-04 03:59:42,141 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc crc7_#t~nondet198#1; [2025-03-04 03:59:42,160 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet199; [2025-03-04 03:59:42,171 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6335: havoc __kmalloc_#t~ret18#1.base, __kmalloc_#t~ret18#1.offset; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc platform_device_alloc_#t~ret207#1.base, platform_device_alloc_#t~ret207#1.offset; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc ldv_setup_2_#t~nondet203#1; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc dev_set_drvdata_#t~nondet201#1; [2025-03-04 03:59:46,058 INFO L1325 $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; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc platform_device_add_#t~nondet204#1; [2025-03-04 03:59:46,058 INFO L1325 $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; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7378: havoc platform_device_add_data_#t~nondet205#1; [2025-03-04 03:59:46,058 INFO L1325 $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; [2025-03-04 03:59:46,058 INFO L1325 $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; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc spi_register_driver_#t~nondet208#1; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7382: havoc platform_device_add_resources_#t~nondet206#1; [2025-03-04 03:59:46,058 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc spi_setup_#t~nondet209#1; [2025-03-04 03:59:46,058 INFO L1325 $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; [2025-03-04 03:59:46,235 INFO L? ?]: Removed 456 outVars from TransFormulas that were not future-live. [2025-03-04 03:59:46,235 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:59:46,259 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:59:46,260 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:59:46,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:59:46 BoogieIcfgContainer [2025-03-04 03:59:46,260 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:59:46,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:59:46,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:59:46,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:59:46,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:59:39" (1/3) ... [2025-03-04 03:59:46,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23cbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:59:46, skipping insertion in model container [2025-03-04 03:59:46,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:59:40" (2/3) ... [2025-03-04 03:59:46,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23cbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:59:46, skipping insertion in model container [2025-03-04 03:59:46,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:59:46" (3/3) ... [2025-03-04 03:59:46,267 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 [2025-03-04 03:59:46,278 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:59:46,280 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. [2025-03-04 03:59:46,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:59:46,339 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;@663829dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:59:46,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:59:46,346 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) [2025-03-04 03:59:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 03:59:46,354 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:46,355 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] [2025-03-04 03:59:46,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:46,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:46,358 INFO L85 PathProgramCache]: Analyzing trace with hash 518741835, now seen corresponding path program 1 times [2025-03-04 03:59:46,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:46,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986281097] [2025-03-04 03:59:46,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:46,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:46,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 03:59:46,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 03:59:46,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:46,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:46,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:46,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986281097] [2025-03-04 03:59:46,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986281097] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:46,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:46,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:46,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929146519] [2025-03-04 03:59:46,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:46,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:46,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:46,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:46,915 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) [2025-03-04 03:59:49,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 03:59:49,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:49,971 INFO L93 Difference]: Finished difference Result 1170 states and 1684 transitions. [2025-03-04 03:59:49,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:49,974 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 [2025-03-04 03:59:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:49,986 INFO L225 Difference]: With dead ends: 1170 [2025-03-04 03:59:49,987 INFO L226 Difference]: Without dead ends: 748 [2025-03-04 03:59:49,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:49,995 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 486 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:59:49,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1082 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-04 03:59:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2025-03-04 03:59:50,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2025-03-04 03:59:50,099 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) [2025-03-04 03:59:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2025-03-04 03:59:50,112 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 40 [2025-03-04 03:59:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:50,112 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2025-03-04 03:59:50,113 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) [2025-03-04 03:59:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2025-03-04 03:59:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 03:59:50,115 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:50,115 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] [2025-03-04 03:59:50,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:59:50,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:50,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:50,116 INFO L85 PathProgramCache]: Analyzing trace with hash 354428737, now seen corresponding path program 1 times [2025-03-04 03:59:50,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648422878] [2025-03-04 03:59:50,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:50,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 03:59:50,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 03:59:50,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:50,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:50,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:50,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648422878] [2025-03-04 03:59:50,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648422878] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:50,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:50,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:50,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759356870] [2025-03-04 03:59:50,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:50,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:50,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:50,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:50,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:50,566 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) [2025-03-04 03:59:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:50,643 INFO L93 Difference]: Finished difference Result 750 states and 1028 transitions. [2025-03-04 03:59:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:50,644 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 [2025-03-04 03:59:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:50,650 INFO L225 Difference]: With dead ends: 750 [2025-03-04 03:59:50,653 INFO L226 Difference]: Without dead ends: 747 [2025-03-04 03:59:50,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:50,654 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 [2025-03-04 03:59:50,654 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] [2025-03-04 03:59:50,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-03-04 03:59:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2025-03-04 03:59:50,707 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) [2025-03-04 03:59:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1025 transitions. [2025-03-04 03:59:50,714 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1025 transitions. Word has length 42 [2025-03-04 03:59:50,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:50,714 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1025 transitions. [2025-03-04 03:59:50,714 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) [2025-03-04 03:59:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1025 transitions. [2025-03-04 03:59:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-04 03:59:50,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:50,716 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] [2025-03-04 03:59:50,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 03:59:50,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:50,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:50,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1898108094, now seen corresponding path program 1 times [2025-03-04 03:59:50,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:50,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629770484] [2025-03-04 03:59:50,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:50,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 03:59:50,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 03:59:50,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:50,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:51,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:51,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629770484] [2025-03-04 03:59:51,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629770484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:51,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049744247] [2025-03-04 03:59:51,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:51,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:51,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:51,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:51,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,007 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) [2025-03-04 03:59:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:51,082 INFO L93 Difference]: Finished difference Result 749 states and 1026 transitions. [2025-03-04 03:59:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:51,083 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 [2025-03-04 03:59:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:51,086 INFO L225 Difference]: With dead ends: 749 [2025-03-04 03:59:51,087 INFO L226 Difference]: Without dead ends: 746 [2025-03-04 03:59:51,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,088 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 [2025-03-04 03:59:51,088 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] [2025-03-04 03:59:51,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-03-04 03:59:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2025-03-04 03:59:51,133 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) [2025-03-04 03:59:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2025-03-04 03:59:51,137 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 43 [2025-03-04 03:59:51,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:51,137 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2025-03-04 03:59:51,138 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) [2025-03-04 03:59:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2025-03-04 03:59:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 03:59:51,139 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:51,139 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] [2025-03-04 03:59:51,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 03:59:51,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:51,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:51,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1287693154, now seen corresponding path program 1 times [2025-03-04 03:59:51,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:51,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40266445] [2025-03-04 03:59:51,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:51,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:51,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 03:59:51,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 03:59:51,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:51,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40266445] [2025-03-04 03:59:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40266445] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:51,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:51,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:51,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307588801] [2025-03-04 03:59:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:51,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:51,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:51,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,271 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) [2025-03-04 03:59:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:51,325 INFO L93 Difference]: Finished difference Result 748 states and 1024 transitions. [2025-03-04 03:59:51,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:51,325 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 [2025-03-04 03:59:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:51,331 INFO L225 Difference]: With dead ends: 748 [2025-03-04 03:59:51,331 INFO L226 Difference]: Without dead ends: 745 [2025-03-04 03:59:51,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,333 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 [2025-03-04 03:59:51,333 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] [2025-03-04 03:59:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2025-03-04 03:59:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2025-03-04 03:59:51,396 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) [2025-03-04 03:59:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1021 transitions. [2025-03-04 03:59:51,400 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1021 transitions. Word has length 44 [2025-03-04 03:59:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:51,400 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1021 transitions. [2025-03-04 03:59:51,400 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) [2025-03-04 03:59:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1021 transitions. [2025-03-04 03:59:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 03:59:51,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:51,403 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] [2025-03-04 03:59:51,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 03:59:51,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:51,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1263283011, now seen corresponding path program 1 times [2025-03-04 03:59:51,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:51,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490412296] [2025-03-04 03:59:51,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:51,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:51,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 03:59:51,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 03:59:51,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:51,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490412296] [2025-03-04 03:59:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490412296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:51,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:51,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:51,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904804187] [2025-03-04 03:59:51,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:51,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:51,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:51,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,531 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) [2025-03-04 03:59:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:51,586 INFO L93 Difference]: Finished difference Result 747 states and 1022 transitions. [2025-03-04 03:59:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:51,586 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 [2025-03-04 03:59:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:51,592 INFO L225 Difference]: With dead ends: 747 [2025-03-04 03:59:51,593 INFO L226 Difference]: Without dead ends: 744 [2025-03-04 03:59:51,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,594 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 [2025-03-04 03:59:51,594 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] [2025-03-04 03:59:51,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-03-04 03:59:51,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2025-03-04 03:59:51,635 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) [2025-03-04 03:59:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1019 transitions. [2025-03-04 03:59:51,639 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1019 transitions. Word has length 45 [2025-03-04 03:59:51,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:51,639 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1019 transitions. [2025-03-04 03:59:51,639 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) [2025-03-04 03:59:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1019 transitions. [2025-03-04 03:59:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 03:59:51,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:59:51,640 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] [2025-03-04 03:59:51,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 03:59:51,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:59:51,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:59:51,641 INFO L85 PathProgramCache]: Analyzing trace with hash 506567555, now seen corresponding path program 1 times [2025-03-04 03:59:51,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:59:51,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108701347] [2025-03-04 03:59:51,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:59:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:59:51,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 03:59:51,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 03:59:51,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:59:51,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:59:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 03:59:51,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:59:51,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108701347] [2025-03-04 03:59:51,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108701347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:59:51,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:59:51,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:59:51,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651155635] [2025-03-04 03:59:51,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:59:51,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:59:51,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:59:51,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:59:51,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,745 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) [2025-03-04 03:59:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:59:51,795 INFO L93 Difference]: Finished difference Result 744 states and 1019 transitions. [2025-03-04 03:59:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:59:51,796 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 [2025-03-04 03:59:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:59:51,797 INFO L225 Difference]: With dead ends: 744 [2025-03-04 03:59:51,797 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 03:59:51,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:59:51,798 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 [2025-03-04 03:59:51,799 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] [2025-03-04 03:59:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 03:59:51,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 03:59:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 03:59:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 03:59:51,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-03-04 03:59:51,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:59:51,802 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 03:59:51,803 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) [2025-03-04 03:59:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 03:59:51,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 03:59:51,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 03:59:51,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 03:59:51,808 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-04 03:59:51,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 03:59:56,134 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 03:59:56,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:59:56 BoogieIcfgContainer [2025-03-04 03:59:56,142 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 03:59:56,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 03:59:56,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 03:59:56,143 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 03:59:56,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:59:46" (3/4) ... [2025-03-04 03:59:56,149 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-04 03:59:56,154 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_sync [2025-03-04 03:59:56,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 03:59:56,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-04 03:59:56,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2025-03-04 03:59:56,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2025-03-04 03:59:56,171 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-03-04 03:59:56,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-04 03:59:56,174 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-04 03:59:56,175 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 03:59:56,176 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:59:56,294 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 03:59:56,294 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 03:59:56,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 03:59:56,295 INFO L158 Benchmark]: Toolchain (without parser) took 16417.24ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 121.2MB in the beginning and 119.2MB in the end (delta: 2.0MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,295 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1116.41ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 75.4MB in the end (delta: 45.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.38ms. Allocated memory is still 167.8MB. Free memory was 75.4MB in the beginning and 67.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: Boogie Preprocessor took 195.38ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 104.6MB in the end (delta: -36.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: IcfgBuilder took 4986.45ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 88.0MB in the end (delta: 15.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: TraceAbstraction took 9880.54ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 87.0MB in the beginning and 139.1MB in the end (delta: -52.1MB). Peak memory consumption was 164.5MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,296 INFO L158 Benchmark]: Witness Printer took 151.81ms. Allocated memory is still 293.6MB. Free memory was 139.1MB in the beginning and 119.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 03:59:56,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1116.41ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 75.4MB in the end (delta: 45.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.38ms. Allocated memory is still 167.8MB. Free memory was 75.4MB in the beginning and 67.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.38ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 104.6MB in the end (delta: -36.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * IcfgBuilder took 4986.45ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 88.0MB in the end (delta: 15.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9880.54ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 87.0MB in the beginning and 139.1MB in the end (delta: -52.1MB). Peak memory consumption was 164.5MB. Max. memory is 16.1GB. * Witness Printer took 151.81ms. Allocated memory is still 293.6MB. Free memory was 139.1MB in the beginning and 119.2MB in the end (delta: 19.9MB). 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3065 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3065 mSDsluCounter, 3722 SdHoareTripleChecker+Invalid, 3.0s 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: 0.1s 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! [2025-03-04 03:59:56,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE