./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-c00e63d-m [2025-02-06 06:22:53,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:22:53,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:22:53,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:22:53,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:22:53,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:22:53,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:22:53,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:22:53,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:22:53,610 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:22:53,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:22:53,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:22:53,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:22:53,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:22:53,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:22:53,612 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:22:53,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:22:53,612 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:22:53,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:22:53,613 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-jdk21/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 [2025-02-06 06:22:53,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:22:53,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:22:53,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:22:53,851 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:22:53,852 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:22:53,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-02-06 06:22:55,073 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a6411cb3/f85064ab715349f4ab56a451fdd120a9/FLAGf0b309499 [2025-02-06 06:22:55,546 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:22:55,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-02-06 06:22:55,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a6411cb3/f85064ab715349f4ab56a451fdd120a9/FLAGf0b309499 [2025-02-06 06:22:55,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a6411cb3/f85064ab715349f4ab56a451fdd120a9 [2025-02-06 06:22:55,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:22:55,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:22:55,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:22:55,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:22:55,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:22:55,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:22:55" (1/1) ... [2025-02-06 06:22:55,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be58688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:55, skipping insertion in model container [2025-02-06 06:22:55,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:22:55" (1/1) ... [2025-02-06 06:22:55,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:22:56,157 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 06:22:56,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:22:56,467 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:22:56,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 06:22:56,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:22:56,710 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:22:56,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56 WrapperNode [2025-02-06 06:22:56,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:22:56,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:22:56,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:22:56,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:22:56,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,785 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2025-02-06 06:22:56,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:22:56,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:22:56,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:22:56,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:22:56,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,889 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 4, 26, 4, 86, 7, 2, 2, 4, 6]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 0, 0, 6, 7, 0, 0, 4, 0]. The 94 writes are split as follows [0, 23, 4, 26, 3, 30, 0, 1, 1, 0, 6]. [2025-02-06 06:22:56,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:56,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:57,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:22:57,009 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:22:57,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:22:57,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:22:57,011 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (1/1) ... [2025-02-06 06:22:57,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:22:57,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:22:57,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 06:22:57,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 06:22:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-02-06 06:22:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-02-06 06:22:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:22:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:22:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:22:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:22:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:22:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2025-02-06 06:22:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2025-02-06 06:22:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-06 06:22:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-06 06:22:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:22:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2025-02-06 06:22:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:22:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-02-06 06:22:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-02-06 06:22:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-02-06 06:22:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-02-06 06:22:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-02-06 06:22:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-02-06 06:22:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-02-06 06:22:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-02-06 06:22:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:22:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:22:57,361 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:22:57,362 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:22:57,379 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc #t~ret200.base, #t~ret200.offset; [2025-02-06 06:22:57,381 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:22:57,389 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7403: havoc #t~nondet210; [2025-02-06 06:22:57,470 INFO L1309 $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; [2025-02-06 06:22:57,484 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet202; [2025-02-06 06:22:57,734 INFO L1309 $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; [2025-02-06 06:22:57,734 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc crc7_#t~nondet198#1; [2025-02-06 06:22:57,759 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet199; [2025-02-06 06:22:57,775 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6335: havoc __kmalloc_#t~ret18#1.base, __kmalloc_#t~ret18#1.offset; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc platform_device_alloc_#t~ret207#1.base, platform_device_alloc_#t~ret207#1.offset; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc ldv_setup_2_#t~nondet203#1; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc dev_set_drvdata_#t~nondet201#1; [2025-02-06 06:22:59,454 INFO L1309 $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; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc platform_device_add_#t~nondet204#1; [2025-02-06 06:22:59,454 INFO L1309 $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; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7378: havoc platform_device_add_data_#t~nondet205#1; [2025-02-06 06:22:59,454 INFO L1309 $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; [2025-02-06 06:22:59,454 INFO L1309 $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; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc spi_register_driver_#t~nondet208#1; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7382: havoc platform_device_add_resources_#t~nondet206#1; [2025-02-06 06:22:59,454 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc spi_setup_#t~nondet209#1; [2025-02-06 06:22:59,454 INFO L1309 $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; [2025-02-06 06:22:59,614 INFO L? ?]: Removed 456 outVars from TransFormulas that were not future-live. [2025-02-06 06:22:59,615 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:22:59,642 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:22:59,646 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:22:59,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:22:59 BoogieIcfgContainer [2025-02-06 06:22:59,646 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:22:59,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:22:59,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:22:59,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:22:59,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:22:55" (1/3) ... [2025-02-06 06:22:59,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2913aaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:22:59, skipping insertion in model container [2025-02-06 06:22:59,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:22:56" (2/3) ... [2025-02-06 06:22:59,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2913aaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:22:59, skipping insertion in model container [2025-02-06 06:22:59,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:22:59" (3/3) ... [2025-02-06 06:22:59,653 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 [2025-02-06 06:22:59,664 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:22:59,667 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. [2025-02-06 06:22:59,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:22:59,730 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;@dda8c7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:22:59,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:22:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 294 states have (on average 1.336734693877551) internal successors, (393), 309 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) [2025-02-06 06:22:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 06:22:59,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:22:59,742 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] [2025-02-06 06:22:59,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:22:59,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:22:59,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1700457733, now seen corresponding path program 1 times [2025-02-06 06:22:59,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:22:59,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950813942] [2025-02-06 06:22:59,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:22:59,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:22:59,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 06:22:59,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 06:22:59,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:22:59,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950813942] [2025-02-06 06:23:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950813942] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:00,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:00,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:00,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806284541] [2025-02-06 06:23:00,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:00,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:00,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:00,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:00,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:00,242 INFO L87 Difference]: Start difference. First operand has 414 states, 294 states have (on average 1.336734693877551) internal successors, (393), 309 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) [2025-02-06 06:23:01,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 06:23:02,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:02,012 INFO L93 Difference]: Finished difference Result 1178 states and 1684 transitions. [2025-02-06 06:23:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:02,015 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 [2025-02-06 06:23:02,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:02,027 INFO L225 Difference]: With dead ends: 1178 [2025-02-06 06:23:02,027 INFO L226 Difference]: Without dead ends: 748 [2025-02-06 06:23:02,033 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 [2025-02-06 06:23:02,036 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 486 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 06:23:02,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1082 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 06:23:02,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2025-02-06 06:23:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2025-02-06 06:23:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 542 states have (on average 1.2896678966789668) internal successors, (699), 550 states have internal predecessors, (699), 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) [2025-02-06 06:23:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1022 transitions. [2025-02-06 06:23:02,119 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1022 transitions. Word has length 40 [2025-02-06 06:23:02,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:02,120 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1022 transitions. [2025-02-06 06:23:02,120 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) [2025-02-06 06:23:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1022 transitions. [2025-02-06 06:23:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 06:23:02,122 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:23:02,122 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] [2025-02-06 06:23:02,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:23:02,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:23:02,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:23:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2112040571, now seen corresponding path program 1 times [2025-02-06 06:23:02,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:23:02,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093247543] [2025-02-06 06:23:02,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:23:02,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:23:02,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 06:23:02,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 06:23:02,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:23:02,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:02,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093247543] [2025-02-06 06:23:02,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093247543] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:02,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:02,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:02,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975373182] [2025-02-06 06:23:02,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:02,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:02,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:02,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:02,639 INFO L87 Difference]: Start difference. First operand 748 states and 1022 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) [2025-02-06 06:23:02,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:02,710 INFO L93 Difference]: Finished difference Result 750 states and 1023 transitions. [2025-02-06 06:23:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:02,710 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 [2025-02-06 06:23:02,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:02,716 INFO L225 Difference]: With dead ends: 750 [2025-02-06 06:23:02,717 INFO L226 Difference]: Without dead ends: 747 [2025-02-06 06:23:02,718 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 [2025-02-06 06:23:02,718 INFO L435 NwaCegarLoop]: 529 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, 529 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 [2025-02-06 06:23:02,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 529 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:23:02,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-02-06 06:23:02,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2025-02-06 06:23:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 542 states have (on average 1.2878228782287824) internal successors, (698), 549 states have internal predecessors, (698), 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) [2025-02-06 06:23:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1020 transitions. [2025-02-06 06:23:02,769 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1020 transitions. Word has length 42 [2025-02-06 06:23:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:02,770 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1020 transitions. [2025-02-06 06:23:02,770 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) [2025-02-06 06:23:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1020 transitions. [2025-02-06 06:23:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 06:23:02,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:23:02,775 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] [2025-02-06 06:23:02,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:23:02,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:23:02,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:23:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1048251208, now seen corresponding path program 1 times [2025-02-06 06:23:02,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:23:02,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192886797] [2025-02-06 06:23:02,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:23:02,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:23:02,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 06:23:02,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 06:23:02,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:23:02,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:03,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:03,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192886797] [2025-02-06 06:23:03,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192886797] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:03,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:03,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:03,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941839580] [2025-02-06 06:23:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:03,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:03,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:03,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:03,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:03,112 INFO L87 Difference]: Start difference. First operand 747 states and 1020 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) [2025-02-06 06:23:03,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:03,187 INFO L93 Difference]: Finished difference Result 749 states and 1021 transitions. [2025-02-06 06:23:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:03,188 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 [2025-02-06 06:23:03,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:03,192 INFO L225 Difference]: With dead ends: 749 [2025-02-06 06:23:03,192 INFO L226 Difference]: Without dead ends: 746 [2025-02-06 06:23:03,193 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 [2025-02-06 06:23:03,193 INFO L435 NwaCegarLoop]: 527 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, 527 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 [2025-02-06 06:23:03,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 527 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:23:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-02-06 06:23:03,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2025-02-06 06:23:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 542 states have (on average 1.2859778597785978) internal successors, (697), 548 states have internal predecessors, (697), 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) [2025-02-06 06:23:03,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1018 transitions. [2025-02-06 06:23:03,272 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1018 transitions. Word has length 43 [2025-02-06 06:23:03,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:03,273 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1018 transitions. [2025-02-06 06:23:03,273 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) [2025-02-06 06:23:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1018 transitions. [2025-02-06 06:23:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 06:23:03,277 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:23:03,277 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] [2025-02-06 06:23:03,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:23:03,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:23:03,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:23:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1864448996, now seen corresponding path program 1 times [2025-02-06 06:23:03,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:23:03,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219285518] [2025-02-06 06:23:03,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:23:03,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:23:03,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 06:23:03,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 06:23:03,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:23:03,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:03,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:03,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219285518] [2025-02-06 06:23:03,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219285518] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:03,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:03,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:03,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070119759] [2025-02-06 06:23:03,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:03,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:03,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:03,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:03,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:03,437 INFO L87 Difference]: Start difference. First operand 746 states and 1018 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) [2025-02-06 06:23:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:03,491 INFO L93 Difference]: Finished difference Result 748 states and 1019 transitions. [2025-02-06 06:23:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:03,492 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 [2025-02-06 06:23:03,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:03,499 INFO L225 Difference]: With dead ends: 748 [2025-02-06 06:23:03,499 INFO L226 Difference]: Without dead ends: 745 [2025-02-06 06:23:03,500 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 [2025-02-06 06:23:03,500 INFO L435 NwaCegarLoop]: 525 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, 525 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 [2025-02-06 06:23:03,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 525 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:23:03,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2025-02-06 06:23:03,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2025-02-06 06:23:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 542 states have (on average 1.2841328413284132) internal successors, (696), 547 states have internal predecessors, (696), 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) [2025-02-06 06:23:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1016 transitions. [2025-02-06 06:23:03,558 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1016 transitions. Word has length 44 [2025-02-06 06:23:03,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:03,558 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1016 transitions. [2025-02-06 06:23:03,559 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) [2025-02-06 06:23:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1016 transitions. [2025-02-06 06:23:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 06:23:03,562 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:23:03,562 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] [2025-02-06 06:23:03,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:23:03,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:23:03,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:23:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1963843127, now seen corresponding path program 1 times [2025-02-06 06:23:03,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:23:03,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083073596] [2025-02-06 06:23:03,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:23:03,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:23:03,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 06:23:03,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 06:23:03,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:23:03,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083073596] [2025-02-06 06:23:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083073596] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:03,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:03,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:03,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751425124] [2025-02-06 06:23:03,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:03,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:03,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:03,703 INFO L87 Difference]: Start difference. First operand 745 states and 1016 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) [2025-02-06 06:23:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:03,759 INFO L93 Difference]: Finished difference Result 747 states and 1017 transitions. [2025-02-06 06:23:03,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:03,760 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 [2025-02-06 06:23:03,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:03,764 INFO L225 Difference]: With dead ends: 747 [2025-02-06 06:23:03,764 INFO L226 Difference]: Without dead ends: 744 [2025-02-06 06:23:03,765 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 [2025-02-06 06:23:03,767 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 510 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 523 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 [2025-02-06 06:23:03,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 523 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:23:03,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-02-06 06:23:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2025-02-06 06:23:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 542 states have (on average 1.2822878228782288) internal successors, (695), 546 states have internal predecessors, (695), 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) [2025-02-06 06:23:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1014 transitions. [2025-02-06 06:23:03,824 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1014 transitions. Word has length 45 [2025-02-06 06:23:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:03,825 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1014 transitions. [2025-02-06 06:23:03,825 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) [2025-02-06 06:23:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1014 transitions. [2025-02-06 06:23:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 06:23:03,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:23:03,826 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] [2025-02-06 06:23:03,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:23:03,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:23:03,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:23:03,827 INFO L85 PathProgramCache]: Analyzing trace with hash -750094915, now seen corresponding path program 1 times [2025-02-06 06:23:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:23:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255331893] [2025-02-06 06:23:03,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:23:03,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:23:03,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 06:23:03,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 06:23:03,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:23:03,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:23:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 06:23:03,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:23:03,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255331893] [2025-02-06 06:23:03,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255331893] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:23:03,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:23:03,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:23:03,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657112978] [2025-02-06 06:23:03,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:23:03,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:23:03,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:23:03,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:23:03,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:23:03,945 INFO L87 Difference]: Start difference. First operand 744 states and 1014 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) [2025-02-06 06:23:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:23:03,994 INFO L93 Difference]: Finished difference Result 744 states and 1014 transitions. [2025-02-06 06:23:03,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:23:03,995 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 [2025-02-06 06:23:03,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:23:03,996 INFO L225 Difference]: With dead ends: 744 [2025-02-06 06:23:03,996 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 06:23:03,998 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 [2025-02-06 06:23:04,000 INFO L435 NwaCegarLoop]: 521 mSDtfsCounter, 506 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 521 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 [2025-02-06 06:23:04,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 521 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:23:04,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 06:23:04,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 06:23:04,001 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) [2025-02-06 06:23:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 06:23:04,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-02-06 06:23:04,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:23:04,002 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 06:23:04,002 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) [2025-02-06 06:23:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 06:23:04,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 06:23:04,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 06:23:04,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 06:23:04,008 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-06 06:23:04,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 06:23:08,704 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 06:23:08,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 06:23:08 BoogieIcfgContainer [2025-02-06 06:23:08,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 06:23:08,713 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 06:23:08,713 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 06:23:08,713 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 06:23:08,714 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:22:59" (3/4) ... [2025-02-06 06:23:08,715 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-02-06 06:23:08,720 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spi_sync [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-02-06 06:23:08,721 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2025-02-06 06:23:08,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2025-02-06 06:23:08,736 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-02-06 06:23:08,737 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-06 06:23:08,738 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-06 06:23:08,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 06:23:08,741 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:23:08,876 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 06:23:08,880 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 06:23:08,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 06:23:08,881 INFO L158 Benchmark]: Toolchain (without parser) took 13217.34ms. Allocated memory was 167.8MB in the beginning and 453.0MB in the end (delta: 285.2MB). Free memory was 116.2MB in the beginning and 207.1MB in the end (delta: -90.9MB). Peak memory consumption was 192.0MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,881 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.95ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 70.4MB in the end (delta: 45.8MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.82ms. Allocated memory is still 167.8MB. Free memory was 70.4MB in the beginning and 62.9MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: Boogie Preprocessor took 221.71ms. Allocated memory is still 167.8MB. Free memory was 62.9MB in the beginning and 99.3MB in the end (delta: -36.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: IcfgBuilder took 2636.77ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 99.3MB in the beginning and 274.7MB in the end (delta: -175.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: TraceAbstraction took 9064.81ms. Allocated memory was 377.5MB in the beginning and 453.0MB in the end (delta: 75.5MB). Free memory was 273.9MB in the beginning and 227.9MB in the end (delta: 46.0MB). Peak memory consumption was 199.4MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,882 INFO L158 Benchmark]: Witness Printer took 167.42ms. Allocated memory is still 453.0MB. Free memory was 227.9MB in the beginning and 207.1MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 06:23:08,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.95ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 70.4MB in the end (delta: 45.8MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.82ms. Allocated memory is still 167.8MB. Free memory was 70.4MB in the beginning and 62.9MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 221.71ms. Allocated memory is still 167.8MB. Free memory was 62.9MB in the beginning and 99.3MB in the end (delta: -36.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * IcfgBuilder took 2636.77ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 99.3MB in the beginning and 274.7MB in the end (delta: -175.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9064.81ms. Allocated memory was 377.5MB in the beginning and 453.0MB in the end (delta: 75.5MB). Free memory was 273.9MB in the beginning and 227.9MB in the end (delta: 46.0MB). Peak memory consumption was 199.4MB. Max. memory is 16.1GB. * Witness Printer took 167.42ms. Allocated memory is still 453.0MB. Free memory was 227.9MB in the beginning and 207.1MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6418]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 428 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3050 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3050 mSDsluCounter, 3707 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 534 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3173 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=748occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s 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! [2025-02-06 06:23:08,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE