./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:08:11,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:08:11,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:08:11,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:08:11,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:08:11,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:08:11,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:08:11,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:08:11,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:08:11,980 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:08:11,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:08:11,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:08:11,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:08:11,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:08:11,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:08:11,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:08:11,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:08:11,982 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2025-03-08 19:08:12,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:08:12,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:08:12,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:08:12,200 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:08:12,200 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:08:12,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-08 19:08:13,285 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3fde31d/17dda01ea7fa41a78d9f4762e3347e6d/FLAGdc064fc73 [2025-03-08 19:08:13,742 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:08:13,743 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-08 19:08:13,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3fde31d/17dda01ea7fa41a78d9f4762e3347e6d/FLAGdc064fc73 [2025-03-08 19:08:13,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3fde31d/17dda01ea7fa41a78d9f4762e3347e6d [2025-03-08 19:08:13,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:08:13,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:08:13,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:08:13,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:08:13,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:08:13,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:08:13" (1/1) ... [2025-03-08 19:08:13,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fd4485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:13, skipping insertion in model container [2025-03-08 19:08:13,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:08:13" (1/1) ... [2025-03-08 19:08:13,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:08:14,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-03-08 19:08:14,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:08:14,901 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:08:15,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-03-08 19:08:15,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:08:15,184 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:08:15,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15 WrapperNode [2025-03-08 19:08:15,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:08:15,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:08:15,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:08:15,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:08:15,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,316 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2025-03-08 19:08:15,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:08:15,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:08:15,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:08:15,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:08:15,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,465 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [1025, 2, 1, 2, 5, 5, 3, 4, 1020, 15, 15, 46, 5]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [1020, 2, 0, 0, 5, 5, 3, 4, 1020, 0, 0, 0, 0]. The 45 writes are split as follows [2, 0, 1, 1, 0, 0, 0, 0, 0, 15, 15, 8, 3]. [2025-03-08 19:08:15,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:08:15,599 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:08:15,599 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:08:15,599 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:08:15,600 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (1/1) ... [2025-03-08 19:08:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:08:15,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:08:15,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:08:15,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2025-03-08 19:08:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:08:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:08:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 19:08:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2025-03-08 19:08:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:08:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:08:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:08:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:08:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2025-03-08 19:08:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2025-03-08 19:08:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2025-03-08 19:08:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:08:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-03-08 19:08:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2025-03-08 19:08:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2025-03-08 19:08:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2025-03-08 19:08:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2025-03-08 19:08:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2025-03-08 19:08:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:08:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:08:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:08:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 19:08:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 19:08:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 19:08:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:08:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:08:16,054 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:08:16,056 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:08:16,180 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5341: call ULTIMATE.dealloc(~#low~0#1.base, ~#low~0#1.offset);havoc ~#low~0#1.base, ~#low~0#1.offset;call ULTIMATE.dealloc(~#high~0#1.base, ~#high~0#1.offset);havoc ~#high~0#1.base, ~#high~0#1.offset; [2025-03-08 19:08:16,359 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7526: havoc #t~nondet396; [2025-03-08 19:08:16,363 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7530: havoc #t~nondet397; [2025-03-08 19:08:16,481 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7538: havoc msecs_to_jiffies_#t~nondet399#1; [2025-03-08 19:08:16,481 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7534: havoc mod_timer_#t~nondet398#1; [2025-03-08 19:08:16,528 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5599: havoc #t~mem172.base, #t~mem172.offset;havoc #t~mem174.base, #t~mem174.offset;havoc #t~mem173;havoc #t~mem175; [2025-03-08 19:08:16,528 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5597: havoc #t~mem171; [2025-03-08 19:08:16,962 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5588: havoc #t~mem164;havoc #t~mem162.base, #t~mem162.offset;havoc #t~mem163;havoc #t~mem165.base, #t~mem165.offset;havoc #t~mem166;havoc #t~short167; [2025-03-08 19:08:17,069 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7507: havoc del_timer_#t~nondet395#1; [2025-03-08 19:08:18,915 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5104: call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset; [2025-03-08 19:08:18,916 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6636: call ULTIMATE.dealloc(mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset);havoc mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset;call ULTIMATE.dealloc(mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset);havoc mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset; [2025-03-08 19:08:19,081 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2025-03-08 19:08:19,081 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:08:19,119 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:08:19,119 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:08:19,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:08:19 BoogieIcfgContainer [2025-03-08 19:08:19,120 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:08:19,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:08:19,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:08:19,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:08:19,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:08:13" (1/3) ... [2025-03-08 19:08:19,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fa91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:08:19, skipping insertion in model container [2025-03-08 19:08:19,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:08:15" (2/3) ... [2025-03-08 19:08:19,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fa91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:08:19, skipping insertion in model container [2025-03-08 19:08:19,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:08:19" (3/3) ... [2025-03-08 19:08:19,129 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-08 19:08:19,139 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:08:19,140 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. [2025-03-08 19:08:19,195 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:08:19,204 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;@6fa4d0ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:08:19,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:08:19,211 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) [2025-03-08 19:08:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-08 19:08:19,217 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:19,217 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:19,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:19,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:19,222 INFO L85 PathProgramCache]: Analyzing trace with hash -660261378, now seen corresponding path program 1 times [2025-03-08 19:08:19,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:19,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302067848] [2025-03-08 19:08:19,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:19,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-08 19:08:19,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-08 19:08:19,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:19,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:20,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302067848] [2025-03-08 19:08:20,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302067848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:20,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:20,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:20,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294861998] [2025-03-08 19:08:20,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:20,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:20,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:20,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:20,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:20,198 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) [2025-03-08 19:08:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:20,804 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2025-03-08 19:08:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:20,808 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 [2025-03-08 19:08:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:20,818 INFO L225 Difference]: With dead ends: 1213 [2025-03-08 19:08:20,818 INFO L226 Difference]: Without dead ends: 602 [2025-03-08 19:08:20,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:20,833 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:20,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 844 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 19:08:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-03-08 19:08:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2025-03-08 19:08:20,911 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) [2025-03-08 19:08:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2025-03-08 19:08:20,922 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2025-03-08 19:08:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:20,924 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2025-03-08 19:08:20,924 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) [2025-03-08 19:08:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2025-03-08 19:08:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-08 19:08:20,927 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:20,927 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:20,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:08:20,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:20,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1006018243, now seen corresponding path program 1 times [2025-03-08 19:08:20,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:20,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753260410] [2025-03-08 19:08:20,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:21,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 19:08:21,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 19:08:21,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:21,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:21,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:21,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753260410] [2025-03-08 19:08:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753260410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:21,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:21,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:21,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547774991] [2025-03-08 19:08:21,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:21,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:21,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:21,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:21,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:21,436 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) [2025-03-08 19:08:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:22,470 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2025-03-08 19:08:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:22,471 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 [2025-03-08 19:08:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:22,475 INFO L225 Difference]: With dead ends: 604 [2025-03-08 19:08:22,478 INFO L226 Difference]: Without dead ends: 601 [2025-03-08 19:08:22,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:22,479 INFO L435 NwaCegarLoop]: 834 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:22,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 836 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 19:08:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-03-08 19:08:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2025-03-08 19:08:22,550 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) [2025-03-08 19:08:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2025-03-08 19:08:22,558 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2025-03-08 19:08:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:22,558 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2025-03-08 19:08:22,558 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) [2025-03-08 19:08:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2025-03-08 19:08:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-08 19:08:22,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:22,559 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:22,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:08:22,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:22,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:22,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1121077919, now seen corresponding path program 1 times [2025-03-08 19:08:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:22,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453540915] [2025-03-08 19:08:22,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:22,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:22,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 19:08:22,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 19:08:22,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:22,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:23,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:23,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453540915] [2025-03-08 19:08:23,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453540915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:23,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:23,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150712387] [2025-03-08 19:08:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:23,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:23,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:23,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:23,085 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) [2025-03-08 19:08:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:23,728 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2025-03-08 19:08:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:23,729 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 [2025-03-08 19:08:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:23,737 INFO L225 Difference]: With dead ends: 1748 [2025-03-08 19:08:23,737 INFO L226 Difference]: Without dead ends: 1153 [2025-03-08 19:08:23,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:23,747 INFO L435 NwaCegarLoop]: 1247 mSDtfsCounter, 807 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:23,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2053 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:08:23,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2025-03-08 19:08:23,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2025-03-08 19:08:23,814 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) [2025-03-08 19:08:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2025-03-08 19:08:23,823 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2025-03-08 19:08:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:23,823 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2025-03-08 19:08:23,824 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) [2025-03-08 19:08:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2025-03-08 19:08:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-08 19:08:23,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:23,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:23,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:08:23,824 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:23,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:23,824 INFO L85 PathProgramCache]: Analyzing trace with hash 392959556, now seen corresponding path program 1 times [2025-03-08 19:08:23,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:23,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394397703] [2025-03-08 19:08:23,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:23,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:24,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-08 19:08:24,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-08 19:08:24,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:24,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:24,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:24,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394397703] [2025-03-08 19:08:24,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394397703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:24,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:24,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:24,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416073181] [2025-03-08 19:08:24,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:24,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:24,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:24,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:24,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:24,309 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) [2025-03-08 19:08:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:24,938 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2025-03-08 19:08:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:24,939 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 [2025-03-08 19:08:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:24,945 INFO L225 Difference]: With dead ends: 1238 [2025-03-08 19:08:24,945 INFO L226 Difference]: Without dead ends: 1234 [2025-03-08 19:08:24,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:24,947 INFO L435 NwaCegarLoop]: 839 mSDtfsCounter, 796 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:24,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 946 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:08:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-03-08 19:08:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2025-03-08 19:08:25,021 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) [2025-03-08 19:08:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2025-03-08 19:08:25,031 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2025-03-08 19:08:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:25,031 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2025-03-08 19:08:25,031 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) [2025-03-08 19:08:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2025-03-08 19:08:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-08 19:08:25,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:25,032 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:25,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:08:25,032 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:25,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:25,033 INFO L85 PathProgramCache]: Analyzing trace with hash -703874240, now seen corresponding path program 1 times [2025-03-08 19:08:25,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:25,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927191868] [2025-03-08 19:08:25,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:25,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:25,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 19:08:25,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 19:08:25,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:25,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:25,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:25,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927191868] [2025-03-08 19:08:25,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927191868] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:25,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:25,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191405522] [2025-03-08 19:08:25,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:25,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:25,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:25,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:25,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:25,568 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) [2025-03-08 19:08:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:26,290 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2025-03-08 19:08:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:26,290 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 [2025-03-08 19:08:26,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:26,296 INFO L225 Difference]: With dead ends: 1438 [2025-03-08 19:08:26,297 INFO L226 Difference]: Without dead ends: 1428 [2025-03-08 19:08:26,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:26,298 INFO L435 NwaCegarLoop]: 895 mSDtfsCounter, 751 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:26,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1111 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 19:08:26,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-03-08 19:08:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2025-03-08 19:08:26,342 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) [2025-03-08 19:08:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2025-03-08 19:08:26,350 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2025-03-08 19:08:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:26,350 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2025-03-08 19:08:26,351 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) [2025-03-08 19:08:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2025-03-08 19:08:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-08 19:08:26,353 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:26,353 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] [2025-03-08 19:08:26,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:08:26,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:26,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:26,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1226343525, now seen corresponding path program 1 times [2025-03-08 19:08:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909076991] [2025-03-08 19:08:26,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:26,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 19:08:26,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 19:08:26,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:26,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:27,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:27,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909076991] [2025-03-08 19:08:27,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909076991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:27,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:27,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 19:08:27,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246684689] [2025-03-08 19:08:27,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:27,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 19:08:27,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:27,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 19:08:27,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 19:08:27,140 INFO L87 Difference]: Start difference. First operand 1425 states and 2021 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) [2025-03-08 19:08:27,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:27,372 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2025-03-08 19:08:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 19:08:27,376 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 [2025-03-08 19:08:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:27,388 INFO L225 Difference]: With dead ends: 2849 [2025-03-08 19:08:27,388 INFO L226 Difference]: Without dead ends: 1430 [2025-03-08 19:08:27,394 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 [2025-03-08 19:08:27,395 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:27,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:08:27,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-08 19:08:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-03-08 19:08:27,455 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) [2025-03-08 19:08:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2025-03-08 19:08:27,466 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 51 [2025-03-08 19:08:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:27,467 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2025-03-08 19:08:27,467 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) [2025-03-08 19:08:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2025-03-08 19:08:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-08 19:08:27,471 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:27,471 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] [2025-03-08 19:08:27,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:08:27,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:27,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash -447547072, now seen corresponding path program 1 times [2025-03-08 19:08:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876127801] [2025-03-08 19:08:27,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:27,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-08 19:08:27,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-08 19:08:27,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:27,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:08:28,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:28,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876127801] [2025-03-08 19:08:28,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876127801] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:28,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:28,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 19:08:28,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255330916] [2025-03-08 19:08:28,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:28,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 19:08:28,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:28,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 19:08:28,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 19:08:28,234 INFO L87 Difference]: Start difference. First operand 1430 states and 2029 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) [2025-03-08 19:08:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:28,453 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2025-03-08 19:08:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 19:08:28,453 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 [2025-03-08 19:08:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:28,462 INFO L225 Difference]: With dead ends: 2856 [2025-03-08 19:08:28,462 INFO L226 Difference]: Without dead ends: 1432 [2025-03-08 19:08:28,468 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 [2025-03-08 19:08:28,469 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:28,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:08:28,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-08 19:08:28,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-03-08 19:08:28,538 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) [2025-03-08 19:08:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2025-03-08 19:08:28,548 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 50 [2025-03-08 19:08:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:28,549 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2025-03-08 19:08:28,549 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) [2025-03-08 19:08:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2025-03-08 19:08:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-08 19:08:28,551 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:28,551 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] [2025-03-08 19:08:28,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 19:08:28,552 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:28,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash 207895425, now seen corresponding path program 1 times [2025-03-08 19:08:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:28,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131333479] [2025-03-08 19:08:28,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:28,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 19:08:28,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 19:08:28,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:28,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 19:08:29,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:29,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131333479] [2025-03-08 19:08:29,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131333479] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:29,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:29,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:29,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921608616] [2025-03-08 19:08:29,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:29,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:29,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:29,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:29,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:29,135 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) [2025-03-08 19:08:29,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:29,905 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2025-03-08 19:08:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:29,905 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 [2025-03-08 19:08:29,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:29,912 INFO L225 Difference]: With dead ends: 1434 [2025-03-08 19:08:29,912 INFO L226 Difference]: Without dead ends: 1431 [2025-03-08 19:08:29,913 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 [2025-03-08 19:08:29,913 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 99 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:29,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1636 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 19:08:29,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2025-03-08 19:08:29,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2025-03-08 19:08:29,954 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) [2025-03-08 19:08:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2025-03-08 19:08:29,960 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2025-03-08 19:08:29,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:29,961 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2025-03-08 19:08:29,961 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) [2025-03-08 19:08:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2025-03-08 19:08:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 19:08:29,963 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:29,963 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] [2025-03-08 19:08:29,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 19:08:29,963 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:29,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash -11237816, now seen corresponding path program 1 times [2025-03-08 19:08:29,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318964308] [2025-03-08 19:08:29,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:30,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 19:08:30,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 19:08:30,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:30,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 19:08:30,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:30,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318964308] [2025-03-08 19:08:30,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318964308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:30,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:30,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:30,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898128142] [2025-03-08 19:08:30,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:30,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:30,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:30,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:30,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:30,516 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) [2025-03-08 19:08:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:31,150 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2025-03-08 19:08:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:31,150 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 [2025-03-08 19:08:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:31,158 INFO L225 Difference]: With dead ends: 1433 [2025-03-08 19:08:31,158 INFO L226 Difference]: Without dead ends: 1430 [2025-03-08 19:08:31,159 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 [2025-03-08 19:08:31,160 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 210 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:31,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1608 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:08:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-08 19:08:31,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-03-08 19:08:31,202 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) [2025-03-08 19:08:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2025-03-08 19:08:31,207 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2025-03-08 19:08:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:31,207 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2025-03-08 19:08:31,207 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) [2025-03-08 19:08:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2025-03-08 19:08:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-08 19:08:31,212 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:31,212 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:31,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 19:08:31,213 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:31,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1200801889, now seen corresponding path program 1 times [2025-03-08 19:08:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760548629] [2025-03-08 19:08:31,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:31,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 19:08:31,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 19:08:31,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:31,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 19:08:31,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760548629] [2025-03-08 19:08:31,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760548629] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:31,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:31,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:08:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650492271] [2025-03-08 19:08:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:31,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:08:31,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:31,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:08:31,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:31,789 INFO L87 Difference]: Start difference. First operand 1430 states and 2023 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-08 19:08:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:32,291 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2025-03-08 19:08:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:08:32,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2025-03-08 19:08:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:32,299 INFO L225 Difference]: With dead ends: 2856 [2025-03-08 19:08:32,299 INFO L226 Difference]: Without dead ends: 1432 [2025-03-08 19:08:32,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:08:32,305 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 812 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:32,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 2292 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 19:08:32,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-08 19:08:32,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2025-03-08 19:08:32,352 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) [2025-03-08 19:08:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2025-03-08 19:08:32,359 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 86 [2025-03-08 19:08:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:32,359 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2025-03-08 19:08:32,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-08 19:08:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2025-03-08 19:08:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-08 19:08:32,363 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:32,363 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:32,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 19:08:32,363 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:32,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:32,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1315239285, now seen corresponding path program 1 times [2025-03-08 19:08:32,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:32,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119959711] [2025-03-08 19:08:32,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:32,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-08 19:08:32,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-08 19:08:32,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:32,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 19:08:33,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:33,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119959711] [2025-03-08 19:08:33,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119959711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:33,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:33,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:08:33,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282377029] [2025-03-08 19:08:33,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:33,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:08:33,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:33,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:08:33,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:08:33,391 INFO L87 Difference]: Start difference. First operand 1430 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 19:08:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:33,525 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2025-03-08 19:08:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:08:33,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 90 [2025-03-08 19:08:33,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:33,535 INFO L225 Difference]: With dead ends: 2856 [2025-03-08 19:08:33,536 INFO L226 Difference]: Without dead ends: 1432 [2025-03-08 19:08:33,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:08:33,542 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 1 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:33,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2442 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:08:33,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-08 19:08:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-03-08 19:08:33,590 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) [2025-03-08 19:08:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2025-03-08 19:08:33,599 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 90 [2025-03-08 19:08:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:33,600 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2025-03-08 19:08:33,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 19:08:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2025-03-08 19:08:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-08 19:08:33,604 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:33,605 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] [2025-03-08 19:08:33,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 19:08:33,605 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:33,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:33,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1500057710, now seen corresponding path program 1 times [2025-03-08 19:08:33,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:33,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061074337] [2025-03-08 19:08:33,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:33,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:33,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-08 19:08:33,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-08 19:08:33,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:33,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-08 19:08:34,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:34,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061074337] [2025-03-08 19:08:34,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061074337] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:34,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:34,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 19:08:34,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356670848] [2025-03-08 19:08:34,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:34,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 19:08:34,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:34,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 19:08:34,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:08:34,591 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) [2025-03-08 19:08:34,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:34,779 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2025-03-08 19:08:34,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:08:34,779 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 [2025-03-08 19:08:34,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:34,786 INFO L225 Difference]: With dead ends: 1510 [2025-03-08 19:08:34,786 INFO L226 Difference]: Without dead ends: 1430 [2025-03-08 19:08:34,787 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 [2025-03-08 19:08:34,787 INFO L435 NwaCegarLoop]: 819 mSDtfsCounter, 1 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:34,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4891 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:08:34,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-08 19:08:34,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2025-03-08 19:08:34,828 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) [2025-03-08 19:08:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2025-03-08 19:08:34,834 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2025-03-08 19:08:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:34,834 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2025-03-08 19:08:34,834 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) [2025-03-08 19:08:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2025-03-08 19:08:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-08 19:08:34,837 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:34,837 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] [2025-03-08 19:08:34,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 19:08:34,837 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:34,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1834446508, now seen corresponding path program 1 times [2025-03-08 19:08:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49309157] [2025-03-08 19:08:34,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:35,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 19:08:35,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 19:08:35,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:35,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 19:08:36,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:36,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49309157] [2025-03-08 19:08:36,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49309157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:36,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:36,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 19:08:36,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771000165] [2025-03-08 19:08:36,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:36,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 19:08:36,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:36,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 19:08:36,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:08:36,041 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) [2025-03-08 19:08:36,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:36,242 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2025-03-08 19:08:36,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:08:36,243 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 [2025-03-08 19:08:36,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:36,252 INFO L225 Difference]: With dead ends: 1496 [2025-03-08 19:08:36,252 INFO L226 Difference]: Without dead ends: 1420 [2025-03-08 19:08:36,253 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 [2025-03-08 19:08:36,254 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 1 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:36,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4879 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:08:36,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2025-03-08 19:08:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2025-03-08 19:08:36,310 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) [2025-03-08 19:08:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2025-03-08 19:08:36,316 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2025-03-08 19:08:36,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:36,316 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2025-03-08 19:08:36,317 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) [2025-03-08 19:08:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2025-03-08 19:08:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-08 19:08:36,321 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:36,322 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] [2025-03-08 19:08:36,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 19:08:36,322 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:36,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:36,323 INFO L85 PathProgramCache]: Analyzing trace with hash -923122688, now seen corresponding path program 1 times [2025-03-08 19:08:36,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:36,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492507858] [2025-03-08 19:08:36,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:36,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-08 19:08:36,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-08 19:08:36,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:36,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-03-08 19:08:37,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492507858] [2025-03-08 19:08:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492507858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:37,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:37,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 19:08:37,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829461259] [2025-03-08 19:08:37,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:37,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 19:08:37,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:37,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 19:08:37,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:08:37,221 INFO L87 Difference]: Start difference. First operand 1419 states and 2000 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-08 19:08:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:37,424 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2025-03-08 19:08:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:08:37,424 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 [2025-03-08 19:08:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:37,438 INFO L225 Difference]: With dead ends: 2829 [2025-03-08 19:08:37,439 INFO L226 Difference]: Without dead ends: 1416 [2025-03-08 19:08:37,444 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 [2025-03-08 19:08:37,444 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 0 mSDsluCounter, 4055 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:37,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4870 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:08:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2025-03-08 19:08:37,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2025-03-08 19:08:37,517 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) [2025-03-08 19:08:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2025-03-08 19:08:37,526 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 172 [2025-03-08 19:08:37,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:37,527 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2025-03-08 19:08:37,527 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) [2025-03-08 19:08:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2025-03-08 19:08:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-08 19:08:37,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:08:37,531 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] [2025-03-08 19:08:37,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 19:08:37,531 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:08:37,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:08:37,531 INFO L85 PathProgramCache]: Analyzing trace with hash 57289435, now seen corresponding path program 1 times [2025-03-08 19:08:37,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:08:37,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869253108] [2025-03-08 19:08:37,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:08:37,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:08:37,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 19:08:37,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 19:08:37,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:08:37,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:08:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-03-08 19:08:38,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:08:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869253108] [2025-03-08 19:08:38,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869253108] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:08:38,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:08:38,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 19:08:38,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165918767] [2025-03-08 19:08:38,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:08:38,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 19:08:38,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:08:38,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 19:08:38,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:08:38,247 INFO L87 Difference]: Start difference. First operand 1414 states and 1993 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-08 19:08:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:08:38,418 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2025-03-08 19:08:38,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:08:38,418 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 [2025-03-08 19:08:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:08:38,420 INFO L225 Difference]: With dead ends: 1516 [2025-03-08 19:08:38,420 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:08:38,424 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 [2025-03-08 19:08:38,425 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 0 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:08:38,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4810 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:08:38,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:08:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:08:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:08:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:08:38,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-03-08 19:08:38,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:08:38,427 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:08:38,430 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) [2025-03-08 19:08:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:08:38,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:08:38,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:08:38,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 19:08:38,437 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:08:38,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:08:43,937 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:08:43,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:08:43 BoogieIcfgContainer [2025-03-08 19:08:43,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:08:43,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:08:43,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:08:43,945 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:08:43,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:08:19" (3/4) ... [2025-03-08 19:08:43,946 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2025-03-08 19:08:43,951 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2025-03-08 19:08:43,952 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2025-03-08 19:08:43,983 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2025-03-08 19:08:43,987 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-03-08 19:08:43,990 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-03-08 19:08:43,993 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 19:08:43,996 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 19:08:43,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:08:44,541 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:08:44,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:08:44,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:08:44,542 INFO L158 Benchmark]: Toolchain (without parser) took 30685.42ms. Allocated memory was 142.6MB in the beginning and 880.8MB in the end (delta: 738.2MB). Free memory was 96.6MB in the beginning and 502.6MB in the end (delta: -406.0MB). Peak memory consumption was 647.3MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,542 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.30ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 96.6MB in the beginning and 74.2MB in the end (delta: 22.4MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.16ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 48.0MB in the end (delta: 26.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: Boogie Preprocessor took 280.81ms. Allocated memory is still 151.0MB. Free memory was 48.0MB in the beginning and 50.4MB in the end (delta: -2.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: IcfgBuilder took 3520.73ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 50.4MB in the beginning and 224.2MB in the end (delta: -173.8MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: TraceAbstraction took 24822.65ms. Allocated memory was 343.9MB in the beginning and 880.8MB in the end (delta: 536.9MB). Free memory was 224.2MB in the beginning and 354.1MB in the end (delta: -129.9MB). Peak memory consumption was 423.3MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,543 INFO L158 Benchmark]: Witness Printer took 597.24ms. Allocated memory is still 880.8MB. Free memory was 354.1MB in the beginning and 502.6MB in the end (delta: -148.6MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2025-03-08 19:08:44,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.30ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 96.6MB in the beginning and 74.2MB in the end (delta: 22.4MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.16ms. Allocated memory is still 151.0MB. Free memory was 74.2MB in the beginning and 48.0MB in the end (delta: 26.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 280.81ms. Allocated memory is still 151.0MB. Free memory was 48.0MB in the beginning and 50.4MB in the end (delta: -2.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * IcfgBuilder took 3520.73ms. Allocated memory was 151.0MB in the beginning and 343.9MB in the end (delta: 192.9MB). Free memory was 50.4MB in the beginning and 224.2MB in the end (delta: -173.8MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24822.65ms. Allocated memory was 343.9MB in the beginning and 880.8MB in the end (delta: 536.9MB). Free memory was 224.2MB in the beginning and 354.1MB in the end (delta: -129.9MB). Peak memory consumption was 423.3MB. Max. memory is 16.1GB. * Witness Printer took 597.24ms. Allocated memory is still 880.8MB. Free memory was 354.1MB in the beginning and 502.6MB in the end (delta: -148.6MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 1104 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5203 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5201 mSDsluCounter, 41410 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27762 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1927 IncrementalHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 13648 mSDtfsCounter, 1927 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1432occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1088 NumberOfCodeBlocks, 1088 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 1365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 256/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 19:08:44,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE