./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 551b0097 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-?-551b009-m [2025-01-09 18:25:28,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:25:29,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:25:29,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:25:29,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:25:29,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:25:29,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:25:29,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:25:29,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:25:29,036 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:25:29,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:25:29,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:25:29,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:25:29,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:25:29,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:25:29,038 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:25:29,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:25:29,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:25:29,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:25:29,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:25:29,039 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 [2025-01-09 18:25:29,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:25:29,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:25:29,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:25:29,218 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:25:29,218 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:25:29,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-01-09 18:25:30,364 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa54b91b0/f34e287cd42f4d5b8fc264dd79dd38b3/FLAG8afc2dedc [2025-01-09 18:25:30,853 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:25:30,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-01-09 18:25:30,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa54b91b0/f34e287cd42f4d5b8fc264dd79dd38b3/FLAG8afc2dedc [2025-01-09 18:25:30,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fa54b91b0/f34e287cd42f4d5b8fc264dd79dd38b3 [2025-01-09 18:25:30,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:25:30,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:25:30,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:25:30,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:25:30,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:25:30,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:25:30" (1/1) ... [2025-01-09 18:25:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218b0218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:30, skipping insertion in model container [2025-01-09 18:25:30,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:25:30" (1/1) ... [2025-01-09 18:25:31,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:25:31,747 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] [2025-01-09 18:25:31,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:25:31,976 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:25:32,206 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] [2025-01-09 18:25:32,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:25:32,294 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:25:32,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32 WrapperNode [2025-01-09 18:25:32,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:25:32,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:25:32,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:25:32,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:25:32,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,447 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2025-01-09 18:25:32,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:25:32,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:25:32,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:25:32,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:25:32,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,628 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 2, 5, 5, 3, 4, 46, 5, 1025, 1, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 5, 5, 3, 4, 0, 0, 1020, 0, 1020, 0, 0]. The 45 writes are split as follows [0, 1, 0, 0, 0, 0, 8, 3, 2, 1, 0, 15, 15]. [2025-01-09 18:25:32,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:25:32,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:25:32,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:25:32,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:25:32,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (1/1) ... [2025-01-09 18:25:32,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:25:32,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:25:32,806 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) [2025-01-09 18:25:32,809 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 [2025-01-09 18:25:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2025-01-09 18:25:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2025-01-09 18:25:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:25:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 18:25:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 18:25:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2025-01-09 18:25:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:25:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:25:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2025-01-09 18:25:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:25:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2025-01-09 18:25:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2025-01-09 18:25:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:25:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2025-01-09 18:25:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:25:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:25:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2025-01-09 18:25:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2025-01-09 18:25:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 18:25:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2025-01-09 18:25:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 18:25:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 18:25:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:25:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:25:33,167 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:25:33,168 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:25:36,093 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2025-01-09 18:25:36,093 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:25:36,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:25:36,120 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 18:25:36,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:25:36 BoogieIcfgContainer [2025-01-09 18:25:36,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:25:36,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:25:36,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:25:36,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:25:36,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:25:30" (1/3) ... [2025-01-09 18:25:36,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419c930e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:25:36, skipping insertion in model container [2025-01-09 18:25:36,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:25:32" (2/3) ... [2025-01-09 18:25:36,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419c930e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:25:36, skipping insertion in model container [2025-01-09 18:25:36,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:25:36" (3/3) ... [2025-01-09 18:25:36,141 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-01-09 18:25:36,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:25:36,163 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. [2025-01-09 18:25:36,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:25:36,287 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;@2e492542, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:25:36,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:25:36,292 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) [2025-01-09 18:25:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 18:25:36,297 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:36,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:36,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:36,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:36,302 INFO L85 PathProgramCache]: Analyzing trace with hash -114947798, now seen corresponding path program 1 times [2025-01-09 18:25:36,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:36,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133137701] [2025-01-09 18:25:36,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:36,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:36,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 18:25:36,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 18:25:36,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:36,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:37,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:37,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133137701] [2025-01-09 18:25:37,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133137701] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:37,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:37,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:37,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308820557] [2025-01-09 18:25:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:37,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:37,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:37,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:37,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:37,336 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) [2025-01-09 18:25:38,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:38,057 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2025-01-09 18:25:38,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:38,059 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 [2025-01-09 18:25:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:38,076 INFO L225 Difference]: With dead ends: 1213 [2025-01-09 18:25:38,077 INFO L226 Difference]: Without dead ends: 602 [2025-01-09 18:25:38,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:38,092 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:38,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 18:25:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-01-09 18:25:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2025-01-09 18:25:38,171 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) [2025-01-09 18:25:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2025-01-09 18:25:38,194 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2025-01-09 18:25:38,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:38,194 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2025-01-09 18:25:38,194 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) [2025-01-09 18:25:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2025-01-09 18:25:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-09 18:25:38,194 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:38,195 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:38,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:25:38,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:38,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:38,195 INFO L85 PathProgramCache]: Analyzing trace with hash 730592750, now seen corresponding path program 1 times [2025-01-09 18:25:38,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:38,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355568128] [2025-01-09 18:25:38,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:38,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:38,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-09 18:25:38,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-09 18:25:38,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:38,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:38,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:38,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355568128] [2025-01-09 18:25:38,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355568128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:38,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:38,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:38,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170595333] [2025-01-09 18:25:38,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:38,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:38,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:38,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:38,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:38,818 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) [2025-01-09 18:25:39,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:39,450 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2025-01-09 18:25:39,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:39,451 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 [2025-01-09 18:25:39,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:39,454 INFO L225 Difference]: With dead ends: 604 [2025-01-09 18:25:39,454 INFO L226 Difference]: Without dead ends: 601 [2025-01-09 18:25:39,455 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 [2025-01-09 18:25:39,455 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:39,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 868 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 18:25:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-01-09 18:25:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2025-01-09 18:25:39,485 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) [2025-01-09 18:25:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2025-01-09 18:25:39,494 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2025-01-09 18:25:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:39,494 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2025-01-09 18:25:39,494 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) [2025-01-09 18:25:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2025-01-09 18:25:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-09 18:25:39,495 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:39,495 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:39,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:25:39,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:39,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1172550829, now seen corresponding path program 1 times [2025-01-09 18:25:39,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:39,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951538160] [2025-01-09 18:25:39,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:39,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:39,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-09 18:25:39,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-09 18:25:39,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:39,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:40,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951538160] [2025-01-09 18:25:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951538160] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:40,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:40,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:40,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795741813] [2025-01-09 18:25:40,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:40,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:40,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:40,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:40,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:40,116 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) [2025-01-09 18:25:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:40,727 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2025-01-09 18:25:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:40,727 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 [2025-01-09 18:25:40,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:40,734 INFO L225 Difference]: With dead ends: 1748 [2025-01-09 18:25:40,734 INFO L226 Difference]: Without dead ends: 1153 [2025-01-09 18:25:40,737 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 [2025-01-09 18:25:40,738 INFO L435 NwaCegarLoop]: 1297 mSDtfsCounter, 808 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:40,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 2135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 18:25:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2025-01-09 18:25:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2025-01-09 18:25:40,776 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) [2025-01-09 18:25:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2025-01-09 18:25:40,784 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2025-01-09 18:25:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:40,785 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2025-01-09 18:25:40,785 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) [2025-01-09 18:25:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2025-01-09 18:25:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-09 18:25:40,785 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:40,785 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:40,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:25:40,786 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:40,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1988354257, now seen corresponding path program 1 times [2025-01-09 18:25:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434624423] [2025-01-09 18:25:40,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:41,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 18:25:41,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 18:25:41,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:41,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:41,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:41,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434624423] [2025-01-09 18:25:41,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434624423] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:41,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:41,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:41,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518468249] [2025-01-09 18:25:41,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:41,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:41,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:41,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:41,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:41,272 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) [2025-01-09 18:25:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:41,802 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2025-01-09 18:25:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:41,802 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 [2025-01-09 18:25:41,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:41,807 INFO L225 Difference]: With dead ends: 1238 [2025-01-09 18:25:41,807 INFO L226 Difference]: Without dead ends: 1234 [2025-01-09 18:25:41,808 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 [2025-01-09 18:25:41,809 INFO L435 NwaCegarLoop]: 872 mSDtfsCounter, 796 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:41,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 984 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 18:25:41,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-01-09 18:25:41,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2025-01-09 18:25:41,846 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) [2025-01-09 18:25:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2025-01-09 18:25:41,855 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2025-01-09 18:25:41,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:41,855 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2025-01-09 18:25:41,855 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) [2025-01-09 18:25:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2025-01-09 18:25:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 18:25:41,856 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:41,856 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:41,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:25:41,856 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:41,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1508461616, now seen corresponding path program 1 times [2025-01-09 18:25:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:41,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226436345] [2025-01-09 18:25:41,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:42,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 18:25:42,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 18:25:42,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:42,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:42,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226436345] [2025-01-09 18:25:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226436345] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:42,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:42,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:42,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203055641] [2025-01-09 18:25:42,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:42,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:42,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:42,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:42,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:42,317 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) [2025-01-09 18:25:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:43,110 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2025-01-09 18:25:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:43,111 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 [2025-01-09 18:25:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:43,119 INFO L225 Difference]: With dead ends: 1438 [2025-01-09 18:25:43,119 INFO L226 Difference]: Without dead ends: 1428 [2025-01-09 18:25:43,120 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 [2025-01-09 18:25:43,121 INFO L435 NwaCegarLoop]: 930 mSDtfsCounter, 751 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:43,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1156 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 18:25:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-01-09 18:25:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2025-01-09 18:25:43,200 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) [2025-01-09 18:25:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2025-01-09 18:25:43,211 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2025-01-09 18:25:43,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:43,211 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2025-01-09 18:25:43,211 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) [2025-01-09 18:25:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2025-01-09 18:25:43,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-09 18:25:43,217 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:43,217 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] [2025-01-09 18:25:43,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:25:43,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:43,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2143556034, now seen corresponding path program 1 times [2025-01-09 18:25:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:43,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352684620] [2025-01-09 18:25:43,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:43,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:25:43,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:25:43,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:43,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:44,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:44,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352684620] [2025-01-09 18:25:44,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352684620] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:44,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:44,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 18:25:44,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350996440] [2025-01-09 18:25:44,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 18:25:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:44,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 18:25:44,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 18:25:44,055 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) [2025-01-09 18:25:44,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:44,141 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2025-01-09 18:25:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:25:44,141 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 [2025-01-09 18:25:44,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:44,149 INFO L225 Difference]: With dead ends: 2849 [2025-01-09 18:25:44,149 INFO L226 Difference]: Without dead ends: 1430 [2025-01-09 18:25:44,153 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 [2025-01-09 18:25:44,155 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:44,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-01-09 18:25:44,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-01-09 18:25:44,203 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) [2025-01-09 18:25:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2025-01-09 18:25:44,213 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 50 [2025-01-09 18:25:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:44,213 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2025-01-09 18:25:44,213 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) [2025-01-09 18:25:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2025-01-09 18:25:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-09 18:25:44,215 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:44,216 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] [2025-01-09 18:25:44,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:25:44,216 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:44,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1853306503, now seen corresponding path program 1 times [2025-01-09 18:25:44,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:44,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124058689] [2025-01-09 18:25:44,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:44,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 18:25:44,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 18:25:44,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:44,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:25:44,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:44,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124058689] [2025-01-09 18:25:44,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124058689] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:44,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:44,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 18:25:44,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975348083] [2025-01-09 18:25:44,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:44,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 18:25:44,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:44,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 18:25:44,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 18:25:44,871 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) [2025-01-09 18:25:45,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:45,005 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2025-01-09 18:25:45,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:25:45,005 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 [2025-01-09 18:25:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:45,014 INFO L225 Difference]: With dead ends: 2856 [2025-01-09 18:25:45,014 INFO L226 Difference]: Without dead ends: 1432 [2025-01-09 18:25:45,018 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 [2025-01-09 18:25:45,019 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:45,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-01-09 18:25:45,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-01-09 18:25:45,060 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) [2025-01-09 18:25:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2025-01-09 18:25:45,067 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 51 [2025-01-09 18:25:45,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:45,067 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2025-01-09 18:25:45,068 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) [2025-01-09 18:25:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2025-01-09 18:25:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-09 18:25:45,070 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:45,070 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] [2025-01-09 18:25:45,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:25:45,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:45,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1839129382, now seen corresponding path program 1 times [2025-01-09 18:25:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997427751] [2025-01-09 18:25:45,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:45,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-09 18:25:45,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-09 18:25:45,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:45,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:25:45,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:45,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997427751] [2025-01-09 18:25:45,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997427751] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:45,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:45,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477251254] [2025-01-09 18:25:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:45,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:45,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:45,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:45,709 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) [2025-01-09 18:25:46,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:46,506 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2025-01-09 18:25:46,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:46,506 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 [2025-01-09 18:25:46,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:46,513 INFO L225 Difference]: With dead ends: 1434 [2025-01-09 18:25:46,513 INFO L226 Difference]: Without dead ends: 1431 [2025-01-09 18:25:46,514 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 [2025-01-09 18:25:46,515 INFO L435 NwaCegarLoop]: 901 mSDtfsCounter, 99 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:46,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 18:25:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2025-01-09 18:25:46,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2025-01-09 18:25:46,580 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) [2025-01-09 18:25:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2025-01-09 18:25:46,588 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2025-01-09 18:25:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:46,588 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2025-01-09 18:25:46,588 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) [2025-01-09 18:25:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2025-01-09 18:25:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 18:25:46,590 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:46,590 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] [2025-01-09 18:25:46,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:25:46,590 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:46,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 292708499, now seen corresponding path program 1 times [2025-01-09 18:25:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966900522] [2025-01-09 18:25:46,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:46,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:46,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 18:25:46,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 18:25:46,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:46,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:25:47,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966900522] [2025-01-09 18:25:47,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966900522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:47,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:47,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:47,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380641750] [2025-01-09 18:25:47,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:47,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:47,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:47,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:47,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:47,144 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) [2025-01-09 18:25:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:47,657 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2025-01-09 18:25:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:47,658 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 [2025-01-09 18:25:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:47,666 INFO L225 Difference]: With dead ends: 1433 [2025-01-09 18:25:47,666 INFO L226 Difference]: Without dead ends: 1430 [2025-01-09 18:25:47,666 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 [2025-01-09 18:25:47,668 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 210 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:47,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1669 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 18:25:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-01-09 18:25:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-01-09 18:25:47,713 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) [2025-01-09 18:25:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2025-01-09 18:25:47,719 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2025-01-09 18:25:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:47,719 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2025-01-09 18:25:47,719 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) [2025-01-09 18:25:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2025-01-09 18:25:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-09 18:25:47,721 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:47,722 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] [2025-01-09 18:25:47,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:25:47,722 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:47,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash 18136525, now seen corresponding path program 1 times [2025-01-09 18:25:47,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:47,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579455300] [2025-01-09 18:25:47,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:47,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:47,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-09 18:25:48,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-09 18:25:48,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:48,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:25:48,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:48,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579455300] [2025-01-09 18:25:48,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579455300] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:48,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:48,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:25:48,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144563177] [2025-01-09 18:25:48,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:48,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:25:48,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:48,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:25:48,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:25:48,206 INFO L87 Difference]: Start difference. First operand 1430 states and 2023 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 18:25:48,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:48,824 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2025-01-09 18:25:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:25:48,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2025-01-09 18:25:48,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:48,832 INFO L225 Difference]: With dead ends: 2856 [2025-01-09 18:25:48,832 INFO L226 Difference]: Without dead ends: 1432 [2025-01-09 18:25:48,837 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 [2025-01-09 18:25:48,837 INFO L435 NwaCegarLoop]: 1590 mSDtfsCounter, 819 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:48,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 2384 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 18:25:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-01-09 18:25:48,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2025-01-09 18:25:48,881 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) [2025-01-09 18:25:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2025-01-09 18:25:48,886 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 80 [2025-01-09 18:25:48,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:48,886 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2025-01-09 18:25:48,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 18:25:48,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2025-01-09 18:25:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-09 18:25:48,889 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:48,890 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, 1] [2025-01-09 18:25:48,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 18:25:48,890 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:48,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:48,890 INFO L85 PathProgramCache]: Analyzing trace with hash -219142900, now seen corresponding path program 1 times [2025-01-09 18:25:48,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:48,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458349982] [2025-01-09 18:25:48,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:48,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:49,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-09 18:25:49,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-09 18:25:49,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:49,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:25:49,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:49,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458349982] [2025-01-09 18:25:49,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458349982] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:49,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:49,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:25:49,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78352355] [2025-01-09 18:25:49,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:49,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:25:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:49,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:25:49,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:25:49,390 INFO L87 Difference]: Start difference. First operand 1430 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-01-09 18:25:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:49,443 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2025-01-09 18:25:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:25:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 91 [2025-01-09 18:25:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:49,450 INFO L225 Difference]: With dead ends: 2856 [2025-01-09 18:25:49,450 INFO L226 Difference]: Without dead ends: 1432 [2025-01-09 18:25:49,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:25:49,455 INFO L435 NwaCegarLoop]: 850 mSDtfsCounter, 1 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:49,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2538 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:49,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-01-09 18:25:49,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-01-09 18:25:49,490 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) [2025-01-09 18:25:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2025-01-09 18:25:49,495 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 91 [2025-01-09 18:25:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:49,495 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2025-01-09 18:25:49,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-01-09 18:25:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2025-01-09 18:25:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 18:25:49,497 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:49,498 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] [2025-01-09 18:25:49,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 18:25:49,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:49,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:49,498 INFO L85 PathProgramCache]: Analyzing trace with hash -458590211, now seen corresponding path program 1 times [2025-01-09 18:25:49,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:49,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252715433] [2025-01-09 18:25:49,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:49,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:49,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 18:25:49,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 18:25:49,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:49,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 18:25:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252715433] [2025-01-09 18:25:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252715433] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 18:25:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673547160] [2025-01-09 18:25:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:51,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:25:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:51,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:25:51,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:25:51,409 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) [2025-01-09 18:25:51,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:51,521 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2025-01-09 18:25:51,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:25:51,521 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 [2025-01-09 18:25:51,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:51,529 INFO L225 Difference]: With dead ends: 1510 [2025-01-09 18:25:51,529 INFO L226 Difference]: Without dead ends: 1430 [2025-01-09 18:25:51,529 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 [2025-01-09 18:25:51,530 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 1 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5083 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:51,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5083 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:51,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-01-09 18:25:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2025-01-09 18:25:51,597 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) [2025-01-09 18:25:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2025-01-09 18:25:51,604 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2025-01-09 18:25:51,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:51,605 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2025-01-09 18:25:51,605 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) [2025-01-09 18:25:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2025-01-09 18:25:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-09 18:25:51,609 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:51,609 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] [2025-01-09 18:25:51,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 18:25:51,610 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:51,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash 493599295, now seen corresponding path program 1 times [2025-01-09 18:25:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:51,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396564793] [2025-01-09 18:25:51,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:51,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-09 18:25:51,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-09 18:25:51,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:51,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 18:25:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396564793] [2025-01-09 18:25:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396564793] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:52,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 18:25:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210733881] [2025-01-09 18:25:52,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:52,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:25:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:52,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:25:52,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:25:52,740 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) [2025-01-09 18:25:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:52,818 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2025-01-09 18:25:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:25:52,819 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 [2025-01-09 18:25:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:52,826 INFO L225 Difference]: With dead ends: 1496 [2025-01-09 18:25:52,827 INFO L226 Difference]: Without dead ends: 1420 [2025-01-09 18:25:52,827 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 [2025-01-09 18:25:52,828 INFO L435 NwaCegarLoop]: 849 mSDtfsCounter, 1 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5071 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:52,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5071 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:52,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2025-01-09 18:25:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2025-01-09 18:25:52,871 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) [2025-01-09 18:25:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2025-01-09 18:25:52,877 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2025-01-09 18:25:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:52,877 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2025-01-09 18:25:52,877 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) [2025-01-09 18:25:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2025-01-09 18:25:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-01-09 18:25:52,882 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:52,882 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] [2025-01-09 18:25:52,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 18:25:52,882 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:52,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash -333333859, now seen corresponding path program 1 times [2025-01-09 18:25:52,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:52,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479302834] [2025-01-09 18:25:52,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:53,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-01-09 18:25:53,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-01-09 18:25:53,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:53,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-01-09 18:25:53,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:53,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479302834] [2025-01-09 18:25:53,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479302834] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:53,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:53,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 18:25:53,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783255349] [2025-01-09 18:25:53,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:53,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:25:53,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:53,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:25:53,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:25:53,641 INFO L87 Difference]: Start difference. First operand 1419 states and 2000 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) [2025-01-09 18:25:53,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:53,722 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2025-01-09 18:25:53,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:25:53,723 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 [2025-01-09 18:25:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:53,733 INFO L225 Difference]: With dead ends: 2829 [2025-01-09 18:25:53,733 INFO L226 Difference]: Without dead ends: 1416 [2025-01-09 18:25:53,738 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 [2025-01-09 18:25:53,738 INFO L435 NwaCegarLoop]: 847 mSDtfsCounter, 0 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:53,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5062 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2025-01-09 18:25:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2025-01-09 18:25:53,782 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) [2025-01-09 18:25:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2025-01-09 18:25:53,832 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 173 [2025-01-09 18:25:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:53,832 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2025-01-09 18:25:53,833 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) [2025-01-09 18:25:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2025-01-09 18:25:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-09 18:25:53,835 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:25:53,835 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] [2025-01-09 18:25:53,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 18:25:53,835 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:25:53,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:25:53,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213986, now seen corresponding path program 1 times [2025-01-09 18:25:53,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:25:53,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176449186] [2025-01-09 18:25:53,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:25:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:25:54,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-09 18:25:54,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-09 18:25:54,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:25:54,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:25:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-01-09 18:25:54,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:25:54,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176449186] [2025-01-09 18:25:54,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176449186] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:25:54,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:25:54,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 18:25:54,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507027111] [2025-01-09 18:25:54,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:25:54,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:25:54,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:25:54,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:25:54,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:25:54,865 INFO L87 Difference]: Start difference. First operand 1414 states and 1993 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) [2025-01-09 18:25:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:25:54,931 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2025-01-09 18:25:54,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:25:54,931 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 [2025-01-09 18:25:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:25:54,933 INFO L225 Difference]: With dead ends: 1516 [2025-01-09 18:25:54,933 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:25:54,937 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 [2025-01-09 18:25:54,937 INFO L435 NwaCegarLoop]: 837 mSDtfsCounter, 0 mSDsluCounter, 4165 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:25:54,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5002 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:25:54,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:25:54,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:25:54,938 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) [2025-01-09 18:25:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:25:54,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2025-01-09 18:25:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:25:54,939 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:25:54,941 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) [2025-01-09 18:25:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:25:54,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:25:54,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:25:54,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 18:25:54,949 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:25:54,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:26:01,132 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:26:01,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:26:01 BoogieIcfgContainer [2025-01-09 18:26:01,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:26:01,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:26:01,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:26:01,144 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:26:01,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:25:36" (3/4) ... [2025-01-09 18:26:01,146 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2025-01-09 18:26:01,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2025-01-09 18:26:01,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2025-01-09 18:26:01,153 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2025-01-09 18:26:01,184 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 170 nodes and edges [2025-01-09 18:26:01,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2025-01-09 18:26:01,193 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-01-09 18:26:01,196 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 18:26:01,202 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 18:26:01,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:26:01,248 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) [2025-01-09 18:26:01,249 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) [2025-01-09 18:26:01,738 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) [2025-01-09 18:26:01,739 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) [2025-01-09 18:26:01,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:26:01,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:26:01,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:26:01,800 INFO L158 Benchmark]: Toolchain (without parser) took 30861.38ms. Allocated memory was 201.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 150.1MB in the beginning and 448.0MB in the end (delta: -297.9MB). Peak memory consumption was 779.0MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,800 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 218.1MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:26:01,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1357.69ms. Allocated memory is still 201.3MB. Free memory was 149.8MB in the beginning and 97.7MB in the end (delta: 52.1MB). Peak memory consumption was 125.3MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.51ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 71.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,800 INFO L158 Benchmark]: Boogie Preprocessor took 328.78ms. Allocated memory is still 201.3MB. Free memory was 71.3MB in the beginning and 107.8MB in the end (delta: -36.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,801 INFO L158 Benchmark]: RCFGBuilder took 3342.50ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 107.8MB in the beginning and 109.0MB in the end (delta: -1.3MB). Peak memory consumption was 157.2MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,801 INFO L158 Benchmark]: TraceAbstraction took 25013.31ms. Allocated memory was 293.6MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 109.0MB in the beginning and 817.0MB in the end (delta: -708.0MB). Peak memory consumption was 658.4MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,801 INFO L158 Benchmark]: Witness Printer took 654.16ms. Allocated memory is still 1.3GB. Free memory was 817.0MB in the beginning and 448.0MB in the end (delta: 369.1MB). Peak memory consumption was 360.7MB. Max. memory is 16.1GB. [2025-01-09 18:26:01,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 218.1MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1357.69ms. Allocated memory is still 201.3MB. Free memory was 149.8MB in the beginning and 97.7MB in the end (delta: 52.1MB). Peak memory consumption was 125.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.51ms. Allocated memory is still 201.3MB. Free memory was 97.7MB in the beginning and 71.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 328.78ms. Allocated memory is still 201.3MB. Free memory was 71.3MB in the beginning and 107.8MB in the end (delta: -36.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3342.50ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 107.8MB in the beginning and 109.0MB in the end (delta: -1.3MB). Peak memory consumption was 157.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25013.31ms. Allocated memory was 293.6MB in the beginning and 1.3GB in the end (delta: 989.9MB). Free memory was 109.0MB in the beginning and 817.0MB in the end (delta: -708.0MB). Peak memory consumption was 658.4MB. Max. memory is 16.1GB. * Witness Printer took 654.16ms. Allocated memory is still 1.3GB. Free memory was 817.0MB in the beginning and 448.0MB in the end (delta: 369.1MB). Peak memory consumption was 360.7MB. 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: 18.7s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5211 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5209 mSDsluCounter, 43040 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28856 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 14184 mSDtfsCounter, 296 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 49 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: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1068 ConstructedInterpolants, 0 QuantifiedInterpolants, 1346 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 - InvariantResult [Line: 4682]: Location Invariant Derived location invariant: ((((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state))) - InvariantResult [Line: 4959]: Location Invariant Derived location invariant: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 5235]: Location Invariant Derived location invariant: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6384]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6859]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:26:01,830 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