./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.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 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 06:19:55,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:19:55,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:19:55,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:19:55,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:19:55,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:19:55,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:19:55,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:19:55,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:19:55,586 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:19:55,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:19:55,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:19:55,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:19:55,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:19:55,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:19:55,588 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:19:55,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:19:55,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:19:55,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:19:55,589 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 -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2025-02-06 06:19:55,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:19:55,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:19:55,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:19:55,792 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:19:55,792 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:19:55,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-02-06 06:19:57,037 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42375d6fb/7fbb7b1175ff4bf7bfae34418c8a440f/FLAG5ce9f97bb [2025-02-06 06:19:57,601 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:19:57,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-02-06 06:19:57,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42375d6fb/7fbb7b1175ff4bf7bfae34418c8a440f/FLAG5ce9f97bb [2025-02-06 06:19:58,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42375d6fb/7fbb7b1175ff4bf7bfae34418c8a440f [2025-02-06 06:19:58,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:19:58,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:19:58,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:19:58,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:19:58,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:19:58,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:19:58" (1/1) ... [2025-02-06 06:19:58,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d01af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:58, skipping insertion in model container [2025-02-06 06:19:58,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:19:58" (1/1) ... [2025-02-06 06:19:58,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:19:59,056 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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-02-06 06:19:59,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:19:59,181 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:19:59,383 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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-02-06 06:19:59,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:19:59,476 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:19:59,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59 WrapperNode [2025-02-06 06:19:59,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:19:59,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:19:59,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:19:59,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:19:59,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,679 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2025-02-06 06:19:59,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:19:59,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:19:59,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:19:59,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:19:59,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,796 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 5, 5, 1025, 3, 4, 5, 46, 1020, 2, 15, 1, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 5, 5, 1020, 3, 4, 0, 0, 1020, 0, 0, 0, 0]. The 45 writes are split as follows [0, 0, 0, 2, 0, 0, 3, 8, 0, 1, 15, 1, 15]. [2025-02-06 06:19:59,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:19:59,918 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:19:59,918 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:19:59,918 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:19:59,919 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (1/1) ... [2025-02-06 06:19:59,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:19:59,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:19:59,984 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 06:19:59,990 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 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2025-02-06 06:20:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2025-02-06 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:20:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 06:20:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2025-02-06 06:20:00,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:20:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:20:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:20:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2025-02-06 06:20:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-02-06 06:20:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-02-06 06:20:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:20:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2025-02-06 06:20:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2025-02-06 06:20:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2025-02-06 06:20:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-02-06 06:20:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2025-02-06 06:20:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:20:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-02-06 06:20:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2025-02-06 06:20:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2025-02-06 06:20:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2025-02-06 06:20:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2025-02-06 06:20:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2025-02-06 06:20:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:20:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2025-02-06 06:20:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2025-02-06 06:20:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-02-06 06:20:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2025-02-06 06:20:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2025-02-06 06:20:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 06:20:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:20:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:20:00,424 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:20:00,427 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:20:00,561 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5341: call ULTIMATE.dealloc(~#low~0#1.base, ~#low~0#1.offset);havoc ~#low~0#1.base, ~#low~0#1.offset;call ULTIMATE.dealloc(~#high~0#1.base, ~#high~0#1.offset);havoc ~#high~0#1.base, ~#high~0#1.offset; [2025-02-06 06:20:00,800 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7526: havoc #t~nondet396; [2025-02-06 06:20:00,804 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7530: havoc #t~nondet397; [2025-02-06 06:20:00,949 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7538: havoc msecs_to_jiffies_#t~nondet399#1; [2025-02-06 06:20:00,949 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7534: havoc mod_timer_#t~nondet398#1; [2025-02-06 06:20:00,984 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5599: havoc #t~mem172.base, #t~mem172.offset;havoc #t~mem174.base, #t~mem174.offset;havoc #t~mem173;havoc #t~mem175; [2025-02-06 06:20:00,984 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5597: havoc #t~mem171; [2025-02-06 06:20:01,435 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5588: havoc #t~mem164;havoc #t~mem162.base, #t~mem162.offset;havoc #t~mem163;havoc #t~mem165.base, #t~mem165.offset;havoc #t~mem166;havoc #t~short167; [2025-02-06 06:20:01,554 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7507: havoc del_timer_#t~nondet395#1; [2025-02-06 06:20:04,700 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5104: call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset; [2025-02-06 06:20:04,700 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6636: call ULTIMATE.dealloc(mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset);havoc mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset;call ULTIMATE.dealloc(mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset);havoc mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset; [2025-02-06 06:20:04,827 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2025-02-06 06:20:04,827 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:20:04,855 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:20:04,855 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:20:04,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:20:04 BoogieIcfgContainer [2025-02-06 06:20:04,856 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:20:04,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:20:04,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:20:04,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:20:04,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:19:58" (1/3) ... [2025-02-06 06:20:04,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8e7ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:20:04, skipping insertion in model container [2025-02-06 06:20:04,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:19:59" (2/3) ... [2025-02-06 06:20:04,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8e7ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:20:04, skipping insertion in model container [2025-02-06 06:20:04,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:20:04" (3/3) ... [2025-02-06 06:20:04,862 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-02-06 06:20:04,871 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:20:04,872 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i that has 44 procedures, 671 locations, 1 initial locations, 26 loop locations, and 1 error locations. [2025-02-06 06:20:04,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:20:04,918 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;@32ca21cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:20:04,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:20:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2025-02-06 06:20:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 06:20:04,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:04,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:04,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:04,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:04,930 INFO L85 PathProgramCache]: Analyzing trace with hash -660261378, now seen corresponding path program 1 times [2025-02-06 06:20:04,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:04,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270184422] [2025-02-06 06:20:04,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:04,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:05,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 06:20:05,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 06:20:05,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:05,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:06,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:06,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270184422] [2025-02-06 06:20:06,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270184422] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:06,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:06,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:06,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997214580] [2025-02-06 06:20:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:06,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:06,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:06,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:06,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:06,181 INFO L87 Difference]: Start difference. First operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:06,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:06,660 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2025-02-06 06:20:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-02-06 06:20:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:06,673 INFO L225 Difference]: With dead ends: 1213 [2025-02-06 06:20:06,674 INFO L226 Difference]: Without dead ends: 602 [2025-02-06 06:20:06,684 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 06:20:06,690 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:06,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 844 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 06:20:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-02-06 06:20:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2025-02-06 06:20:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 442 states have (on average 1.4027149321266967) internal successors, (620), 455 states have internal predecessors, (620), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-02-06 06:20:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2025-02-06 06:20:06,769 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2025-02-06 06:20:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:06,769 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2025-02-06 06:20:06,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2025-02-06 06:20:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 06:20:06,770 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:06,770 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:06,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:20:06,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:06,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:06,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1006018243, now seen corresponding path program 1 times [2025-02-06 06:20:06,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:06,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677723170] [2025-02-06 06:20:06,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:06,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:07,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 06:20:07,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 06:20:07,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:07,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:07,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:07,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677723170] [2025-02-06 06:20:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677723170] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:07,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:07,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:07,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908535683] [2025-02-06 06:20:07,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:07,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:07,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:07,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:07,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:07,501 INFO L87 Difference]: Start difference. First operand 602 states and 869 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:08,072 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2025-02-06 06:20:08,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:08,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-02-06 06:20:08,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:08,076 INFO L225 Difference]: With dead ends: 604 [2025-02-06 06:20:08,076 INFO L226 Difference]: Without dead ends: 601 [2025-02-06 06:20:08,076 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 06:20:08,077 INFO L435 NwaCegarLoop]: 834 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:08,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 836 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 06:20:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-02-06 06:20:08,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2025-02-06 06:20:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 442 states have (on average 1.4004524886877827) internal successors, (619), 454 states have internal predecessors, (619), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-02-06 06:20:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2025-02-06 06:20:08,105 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2025-02-06 06:20:08,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:08,106 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2025-02-06 06:20:08,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2025-02-06 06:20:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 06:20:08,106 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:08,106 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:08,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:20:08,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:08,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1121077919, now seen corresponding path program 1 times [2025-02-06 06:20:08,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:08,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057559766] [2025-02-06 06:20:08,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:08,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 06:20:08,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 06:20:08,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:08,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:08,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057559766] [2025-02-06 06:20:08,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057559766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:08,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:08,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:08,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478425885] [2025-02-06 06:20:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:08,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:08,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:08,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:08,641 INFO L87 Difference]: Start difference. First operand 601 states and 867 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:09,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:09,207 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2025-02-06 06:20:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:09,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-02-06 06:20:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:09,216 INFO L225 Difference]: With dead ends: 1748 [2025-02-06 06:20:09,217 INFO L226 Difference]: Without dead ends: 1153 [2025-02-06 06:20:09,220 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 06:20:09,221 INFO L435 NwaCegarLoop]: 1247 mSDtfsCounter, 807 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:09,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2053 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 06:20:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2025-02-06 06:20:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2025-02-06 06:20:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 850 states have (on average 1.3988235294117648) internal successors, (1189), 864 states have internal predecessors, (1189), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2025-02-06 06:20:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2025-02-06 06:20:09,293 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2025-02-06 06:20:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:09,293 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2025-02-06 06:20:09,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2025-02-06 06:20:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 06:20:09,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:09,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:09,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:20:09,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:09,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:09,295 INFO L85 PathProgramCache]: Analyzing trace with hash 392959556, now seen corresponding path program 1 times [2025-02-06 06:20:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:09,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772975768] [2025-02-06 06:20:09,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:09,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:09,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 06:20:09,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 06:20:09,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:09,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:09,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:09,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772975768] [2025-02-06 06:20:09,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772975768] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:09,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:09,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:09,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228593084] [2025-02-06 06:20:09,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:09,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:09,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:09,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:09,906 INFO L87 Difference]: Start difference. First operand 1146 states and 1659 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:10,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:10,442 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2025-02-06 06:20:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:10,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-02-06 06:20:10,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:10,448 INFO L225 Difference]: With dead ends: 1238 [2025-02-06 06:20:10,448 INFO L226 Difference]: Without dead ends: 1234 [2025-02-06 06:20:10,448 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 06:20:10,449 INFO L435 NwaCegarLoop]: 839 mSDtfsCounter, 796 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:10,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 946 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 06:20:10,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-02-06 06:20:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2025-02-06 06:20:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 916 states have (on average 1.3951965065502183) internal successors, (1278), 928 states have internal predecessors, (1278), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2025-02-06 06:20:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2025-02-06 06:20:10,505 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2025-02-06 06:20:10,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:10,505 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2025-02-06 06:20:10,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2025-02-06 06:20:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 06:20:10,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:10,506 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:10,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:20:10,506 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:10,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash -703874240, now seen corresponding path program 1 times [2025-02-06 06:20:10,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:10,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620911557] [2025-02-06 06:20:10,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:10,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:10,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 06:20:10,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 06:20:10,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:10,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:11,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:11,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620911557] [2025-02-06 06:20:11,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620911557] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:11,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:11,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256029380] [2025-02-06 06:20:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:11,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:11,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:11,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:11,103 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:11,755 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2025-02-06 06:20:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:11,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-02-06 06:20:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:11,763 INFO L225 Difference]: With dead ends: 1438 [2025-02-06 06:20:11,763 INFO L226 Difference]: Without dead ends: 1428 [2025-02-06 06:20:11,764 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 06:20:11,766 INFO L435 NwaCegarLoop]: 895 mSDtfsCounter, 751 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:11,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1111 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 06:20:11,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-02-06 06:20:11,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2025-02-06 06:20:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1051 states have (on average 1.3815413891531874) internal successors, (1452), 1061 states have internal predecessors, (1452), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2025-02-06 06:20:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2025-02-06 06:20:11,827 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2025-02-06 06:20:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:11,828 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2025-02-06 06:20:11,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 06:20:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2025-02-06 06:20:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 06:20:11,833 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:11,833 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:11,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:20:11,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:11,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:11,834 INFO L85 PathProgramCache]: Analyzing trace with hash -447547072, now seen corresponding path program 1 times [2025-02-06 06:20:11,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:11,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750221622] [2025-02-06 06:20:11,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:12,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 06:20:12,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 06:20:12,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:12,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:12,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:12,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750221622] [2025-02-06 06:20:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750221622] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 06:20:12,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742844874] [2025-02-06 06:20:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:12,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 06:20:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:12,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 06:20:12,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 06:20:12,722 INFO L87 Difference]: Start difference. First operand 1425 states and 2021 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 06:20:13,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:13,003 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2025-02-06 06:20:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 06:20:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2025-02-06 06:20:13,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:13,010 INFO L225 Difference]: With dead ends: 2849 [2025-02-06 06:20:13,010 INFO L226 Difference]: Without dead ends: 1430 [2025-02-06 06:20:13,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 06:20:13,015 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:13,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:20:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-02-06 06:20:13,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-02-06 06:20:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1055 states have (on average 1.3800947867298579) internal successors, (1456), 1065 states have internal predecessors, (1456), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 279 states have call predecessors, (286), 278 states have call successors, (286) [2025-02-06 06:20:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2025-02-06 06:20:13,073 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 50 [2025-02-06 06:20:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:13,073 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2025-02-06 06:20:13,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 06:20:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2025-02-06 06:20:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 06:20:13,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:13,075 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:13,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 06:20:13,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1226343525, now seen corresponding path program 1 times [2025-02-06 06:20:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:13,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791561251] [2025-02-06 06:20:13,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:13,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 06:20:13,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 06:20:13,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:13,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:20:13,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:13,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791561251] [2025-02-06 06:20:13,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791561251] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:13,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:13,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 06:20:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643594347] [2025-02-06 06:20:13,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:13,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 06:20:13,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:13,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 06:20:13,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 06:20:13,804 INFO L87 Difference]: Start difference. First operand 1430 states and 2029 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 06:20:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:14,032 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2025-02-06 06:20:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 06:20:14,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2025-02-06 06:20:14,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:14,054 INFO L225 Difference]: With dead ends: 2856 [2025-02-06 06:20:14,054 INFO L226 Difference]: Without dead ends: 1432 [2025-02-06 06:20:14,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 06:20:14,068 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:14,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:20:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-02-06 06:20:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-02-06 06:20:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1057 states have (on average 1.3793755912961212) internal successors, (1458), 1066 states have internal predecessors, (1458), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-02-06 06:20:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2025-02-06 06:20:14,183 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 51 [2025-02-06 06:20:14,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:14,184 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2025-02-06 06:20:14,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 06:20:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2025-02-06 06:20:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 06:20:14,185 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:14,185 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:14,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 06:20:14,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:14,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash 207895425, now seen corresponding path program 1 times [2025-02-06 06:20:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:14,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328207950] [2025-02-06 06:20:14,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:14,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 06:20:14,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 06:20:14,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:14,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 06:20:14,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:14,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328207950] [2025-02-06 06:20:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328207950] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:14,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:14,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:14,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467193221] [2025-02-06 06:20:14,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:14,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:14,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:14,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:14,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:14,748 INFO L87 Difference]: Start difference. First operand 1432 states and 2031 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 06:20:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:15,182 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2025-02-06 06:20:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2025-02-06 06:20:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:15,190 INFO L225 Difference]: With dead ends: 1434 [2025-02-06 06:20:15,191 INFO L226 Difference]: Without dead ends: 1431 [2025-02-06 06:20:15,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:20:15,192 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 99 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:15,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1636 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 06:20:15,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2025-02-06 06:20:15,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2025-02-06 06:20:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1057 states have (on average 1.3755912961210974) internal successors, (1454), 1065 states have internal predecessors, (1454), 286 states have call successors, (286), 90 states have call predecessors, (286), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-02-06 06:20:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2025-02-06 06:20:15,239 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2025-02-06 06:20:15,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:15,240 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2025-02-06 06:20:15,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 06:20:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2025-02-06 06:20:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 06:20:15,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:15,243 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 06:20:15,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 06:20:15,243 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -11237816, now seen corresponding path program 1 times [2025-02-06 06:20:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:15,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278424261] [2025-02-06 06:20:15,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:15,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 06:20:15,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 06:20:15,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:15,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 06:20:16,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:16,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278424261] [2025-02-06 06:20:16,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278424261] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:16,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:16,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:16,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013340982] [2025-02-06 06:20:16,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:16,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:16,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:16,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:16,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:16,012 INFO L87 Difference]: Start difference. First operand 1431 states and 2026 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 06:20:16,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:16,902 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2025-02-06 06:20:16,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:16,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2025-02-06 06:20:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:16,911 INFO L225 Difference]: With dead ends: 1433 [2025-02-06 06:20:16,911 INFO L226 Difference]: Without dead ends: 1430 [2025-02-06 06:20:16,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:20:16,914 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 210 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:16,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1608 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 06:20:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-02-06 06:20:16,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-02-06 06:20:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3736991485335857) internal successors, (1452), 1064 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-02-06 06:20:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2025-02-06 06:20:16,966 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2025-02-06 06:20:16,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:16,967 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2025-02-06 06:20:16,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 06:20:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2025-02-06 06:20:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 06:20:16,972 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:16,972 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:16,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 06:20:16,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:16,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:16,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1200801889, now seen corresponding path program 1 times [2025-02-06 06:20:16,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:16,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697124633] [2025-02-06 06:20:16,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:16,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:17,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 06:20:17,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 06:20:17,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:17,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 06:20:17,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:17,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697124633] [2025-02-06 06:20:17,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697124633] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:17,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:17,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:20:17,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429748137] [2025-02-06 06:20:17,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:17,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:20:17,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:17,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:20:17,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:20:17,751 INFO L87 Difference]: Start difference. First operand 1430 states and 2023 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-06 06:20:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:18,466 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2025-02-06 06:20:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:20:18,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2025-02-06 06:20:18,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:18,473 INFO L225 Difference]: With dead ends: 2856 [2025-02-06 06:20:18,474 INFO L226 Difference]: Without dead ends: 1432 [2025-02-06 06:20:18,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 06:20:18,479 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 812 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:18,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 2292 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 06:20:18,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-02-06 06:20:18,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2025-02-06 06:20:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3718070009460739) internal successors, (1450), 1064 states have internal predecessors, (1450), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2025-02-06 06:20:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2025-02-06 06:20:18,553 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 86 [2025-02-06 06:20:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:18,553 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2025-02-06 06:20:18,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-06 06:20:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2025-02-06 06:20:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 06:20:18,555 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:18,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:18,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 06:20:18,556 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:18,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:18,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1315239285, now seen corresponding path program 1 times [2025-02-06 06:20:18,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:18,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049420931] [2025-02-06 06:20:18,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:18,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:18,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 06:20:18,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 06:20:18,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:18,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 06:20:19,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049420931] [2025-02-06 06:20:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049420931] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:19,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:19,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:20:19,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045725073] [2025-02-06 06:20:19,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:19,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:20:19,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:19,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:20:19,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:20:19,514 INFO L87 Difference]: Start difference. First operand 1430 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-06 06:20:19,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:19,635 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2025-02-06 06:20:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:20:19,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 90 [2025-02-06 06:20:19,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:19,645 INFO L225 Difference]: With dead ends: 2856 [2025-02-06 06:20:19,645 INFO L226 Difference]: Without dead ends: 1432 [2025-02-06 06:20:19,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:20:19,650 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 1 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:19,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2442 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:20:19,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-02-06 06:20:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-02-06 06:20:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1059 states have (on average 1.3711048158640227) internal successors, (1452), 1066 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2025-02-06 06:20:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2025-02-06 06:20:19,755 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 90 [2025-02-06 06:20:19,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:19,756 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2025-02-06 06:20:19,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-02-06 06:20:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2025-02-06 06:20:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 06:20:19,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:19,759 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:19,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 06:20:19,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:19,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1500057710, now seen corresponding path program 1 times [2025-02-06 06:20:19,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:19,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203761033] [2025-02-06 06:20:19,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:20,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-02-06 06:20:20,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 06:20:20,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:20,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 06:20:21,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:21,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203761033] [2025-02-06 06:20:21,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203761033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:21,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:21,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 06:20:21,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427234961] [2025-02-06 06:20:21,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:21,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:20:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:21,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:20:21,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:21,006 INFO L87 Difference]: Start difference. First operand 1432 states and 2017 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 06:20:21,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:21,217 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2025-02-06 06:20:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:20:21,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2025-02-06 06:20:21,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:21,225 INFO L225 Difference]: With dead ends: 1510 [2025-02-06 06:20:21,225 INFO L226 Difference]: Without dead ends: 1430 [2025-02-06 06:20:21,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:21,227 INFO L435 NwaCegarLoop]: 819 mSDtfsCounter, 1 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:21,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4891 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:20:21,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-02-06 06:20:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2025-02-06 06:20:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1058 states have (on average 1.3705103969754253) internal successors, (1450), 1064 states have internal predecessors, (1450), 283 states have call successors, (283), 90 states have call predecessors, (283), 87 states have return successors, (279), 279 states have call predecessors, (279), 275 states have call successors, (279) [2025-02-06 06:20:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2025-02-06 06:20:21,272 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2025-02-06 06:20:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:21,272 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2025-02-06 06:20:21,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 06:20:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2025-02-06 06:20:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 06:20:21,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:21,275 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:21,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 06:20:21,275 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:21,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1834446508, now seen corresponding path program 1 times [2025-02-06 06:20:21,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:21,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972001530] [2025-02-06 06:20:21,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:21,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 06:20:21,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 06:20:21,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:21,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 06:20:22,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:22,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972001530] [2025-02-06 06:20:22,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972001530] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:22,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:22,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 06:20:22,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090826044] [2025-02-06 06:20:22,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:22,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:20:22,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:22,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:20:22,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:22,368 INFO L87 Difference]: Start difference. First operand 1429 states and 2012 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 06:20:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:22,564 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2025-02-06 06:20:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:20:22,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 133 [2025-02-06 06:20:22,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:22,573 INFO L225 Difference]: With dead ends: 1496 [2025-02-06 06:20:22,573 INFO L226 Difference]: Without dead ends: 1420 [2025-02-06 06:20:22,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:22,574 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 1 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:22,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4879 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:20:22,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2025-02-06 06:20:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2025-02-06 06:20:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1052 states have (on average 1.3716730038022813) internal successors, (1443), 1057 states have internal predecessors, (1443), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 278 states have call predecessors, (278), 274 states have call successors, (278) [2025-02-06 06:20:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2025-02-06 06:20:22,621 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2025-02-06 06:20:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:22,621 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2025-02-06 06:20:22,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 06:20:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2025-02-06 06:20:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 06:20:22,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:22,627 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:22,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 06:20:22,627 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:22,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash -923122688, now seen corresponding path program 1 times [2025-02-06 06:20:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441251572] [2025-02-06 06:20:22,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:22,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 06:20:22,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 06:20:22,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:22,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-02-06 06:20:23,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441251572] [2025-02-06 06:20:23,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441251572] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:23,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:23,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 06:20:23,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519940787] [2025-02-06 06:20:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:23,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:20:23,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:23,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:20:23,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:23,422 INFO L87 Difference]: Start difference. First operand 1419 states and 2000 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 06:20:23,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:23,599 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2025-02-06 06:20:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:20:23,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 172 [2025-02-06 06:20:23,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:23,620 INFO L225 Difference]: With dead ends: 2829 [2025-02-06 06:20:23,621 INFO L226 Difference]: Without dead ends: 1416 [2025-02-06 06:20:23,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:23,629 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 0 mSDsluCounter, 4055 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:23,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4870 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:20:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2025-02-06 06:20:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2025-02-06 06:20:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1047 states have (on average 1.3715377268385864) internal successors, (1436), 1053 states have internal predecessors, (1436), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 277 states have call predecessors, (278), 274 states have call successors, (278) [2025-02-06 06:20:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2025-02-06 06:20:23,699 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 172 [2025-02-06 06:20:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:23,699 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2025-02-06 06:20:23,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 06:20:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2025-02-06 06:20:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-06 06:20:23,705 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:20:23,706 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:23,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 06:20:23,706 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:20:23,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:20:23,706 INFO L85 PathProgramCache]: Analyzing trace with hash 57289435, now seen corresponding path program 1 times [2025-02-06 06:20:23,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:20:23,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869635458] [2025-02-06 06:20:23,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:20:23,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:20:24,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-06 06:20:24,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-06 06:20:24,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:20:24,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:20:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-02-06 06:20:24,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:20:24,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869635458] [2025-02-06 06:20:24,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869635458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:20:24,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:20:24,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 06:20:24,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113477473] [2025-02-06 06:20:24,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:20:24,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:20:24,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:20:24,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:20:24,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:24,403 INFO L87 Difference]: Start difference. First operand 1414 states and 1993 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 06:20:24,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:20:24,570 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2025-02-06 06:20:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:20:24,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2025-02-06 06:20:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:20:24,572 INFO L225 Difference]: With dead ends: 1516 [2025-02-06 06:20:24,573 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 06:20:24,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:20:24,578 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 0 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:20:24,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4810 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:20:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 06:20:24,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 06:20:24,579 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 06:20:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 06:20:24,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-02-06 06:20:24,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:20:24,580 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 06:20:24,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-02-06 06:20:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 06:20:24,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 06:20:24,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 06:20:24,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 06:20:24,586 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:20:24,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 06:20:30,872 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 06:20:30,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 06:20:30 BoogieIcfgContainer [2025-02-06 06:20:30,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 06:20:30,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 06:20:30,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 06:20:30,884 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 06:20:30,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:20:04" (3/4) ... [2025-02-06 06:20:30,886 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 06:20:30,891 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2025-02-06 06:20:30,891 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2025-02-06 06:20:30,891 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2025-02-06 06:20:30,891 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2025-02-06 06:20:30,892 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2025-02-06 06:20:30,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2025-02-06 06:20:30,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2025-02-06 06:20:30,923 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-02-06 06:20:30,926 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-02-06 06:20:30,929 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 06:20:30,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 06:20:30,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:20:31,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 06:20:31,475 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 06:20:31,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 06:20:31,476 INFO L158 Benchmark]: Toolchain (without parser) took 33348.76ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 114.0MB in the beginning and 1.0GB in the end (delta: -887.2MB). Peak memory consumption was 831.4MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,476 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:20:31,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1349.30ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 48.5MB in the end (delta: 65.5MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.43ms. Allocated memory is still 167.8MB. Free memory was 48.5MB in the beginning and 80.9MB in the end (delta: -32.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,476 INFO L158 Benchmark]: Boogie Preprocessor took 237.17ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 46.8MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,477 INFO L158 Benchmark]: IcfgBuilder took 4937.89ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 46.8MB in the beginning and 131.5MB in the end (delta: -84.6MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,477 INFO L158 Benchmark]: TraceAbstraction took 26026.14ms. Allocated memory was 285.2MB in the beginning and 1.2GB in the end (delta: 956.3MB). Free memory was 131.5MB in the beginning and 618.4MB in the end (delta: -487.0MB). Peak memory consumption was 469.8MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,477 INFO L158 Benchmark]: Witness Printer took 591.01ms. Allocated memory is still 1.2GB. Free memory was 618.4MB in the beginning and 1.0GB in the end (delta: -382.8MB). Peak memory consumption was 263.5MB. Max. memory is 16.1GB. [2025-02-06 06:20:31,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1349.30ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 48.5MB in the end (delta: 65.5MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.43ms. Allocated memory is still 167.8MB. Free memory was 48.5MB in the beginning and 80.9MB in the end (delta: -32.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 237.17ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 46.8MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * IcfgBuilder took 4937.89ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 46.8MB in the beginning and 131.5MB in the end (delta: -84.6MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26026.14ms. Allocated memory was 285.2MB in the beginning and 1.2GB in the end (delta: 956.3MB). Free memory was 131.5MB in the beginning and 618.4MB in the end (delta: -487.0MB). Peak memory consumption was 469.8MB. Max. memory is 16.1GB. * Witness Printer took 591.01ms. Allocated memory is still 1.2GB. Free memory was 618.4MB in the beginning and 1.0GB in the end (delta: -382.8MB). Peak memory consumption was 263.5MB. 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: 6914]: 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 44 procedures, 671 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5203 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5201 mSDsluCounter, 41410 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27762 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1927 IncrementalHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 13648 mSDtfsCounter, 1927 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1432occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1088 NumberOfCodeBlocks, 1088 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 1365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 256/256 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 06:20:31,510 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