./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:04:13,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:04:13,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:04:13,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:04:13,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:04:13,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:04:13,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:04:13,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:04:13,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:04:13,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:04:13,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:04:13,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:04:13,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:04:13,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:04:13,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:04:13,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:04:13,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:04:13,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:04:13,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:04:13,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:04:13,998 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:04:14,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:04:14,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:04:14,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:04:14,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:04:14,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:04:14,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:04:14,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:04:14,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:04:14,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:04:14,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:04:14,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:04:14,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:04:14,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:04:14,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:04:14,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:04:14,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:04:14,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:04:14,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:04:14,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:04:14,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:04:14,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:04:14,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:04:14,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:04:14,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:04:14,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:04:14,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:04:14,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:04:14,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:04:14,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:04:14,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:04:14,066 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:04:14,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:04:14,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:04:14,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:04:14,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:04:14,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:04:14,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:04:14,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:04:14,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:04:14,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:04:14,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:04:14,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:04:14,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:04:14,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:04:14,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:04:14,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:04:14,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:04:14,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:04:14,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:04:14,080 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:04:14,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:04:14,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:04:14,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b [2022-07-21 11:04:14,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:04:14,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:04:14,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:04:14,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:04:14,448 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:04:14,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 11:04:14,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60964afa/457d52000bcb482fbee36e8b08660a35/FLAG57da30193 [2022-07-21 11:04:15,389 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:04:15,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 11:04:15,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60964afa/457d52000bcb482fbee36e8b08660a35/FLAG57da30193 [2022-07-21 11:04:15,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60964afa/457d52000bcb482fbee36e8b08660a35 [2022-07-21 11:04:15,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:04:15,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:04:15,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:04:15,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:04:15,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:04:15,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:04:15" (1/1) ... [2022-07-21 11:04:15,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe0925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:15, skipping insertion in model container [2022-07-21 11:04:15,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:04:15" (1/1) ... [2022-07-21 11:04:15,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:04:15,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:04:16,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[196184,196197] [2022-07-21 11:04:18,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:04:18,111 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:04:18,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[196184,196197] [2022-07-21 11:04:18,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:04:18,951 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:04:18,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18 WrapperNode [2022-07-21 11:04:18,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:04:18,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:04:18,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:04:18,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:04:18,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,240 INFO L137 Inliner]: procedures = 372, calls = 2044, calls flagged for inlining = 175, calls inlined = 127, statements flattened = 5007 [2022-07-21 11:04:19,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:04:19,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:04:19,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:04:19,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:04:19,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:04:19,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:04:19,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:04:19,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:04:19,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (1/1) ... [2022-07-21 11:04:19,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:04:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:04:19,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:04:19,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:04:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 11:04:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 11:04:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 11:04:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 11:04:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 11:04:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 11:04:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:04:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 11:04:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 11:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-21 11:04:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-21 11:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:04:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:04:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:04:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-21 11:04:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-21 11:04:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 11:04:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 11:04:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 11:04:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 11:04:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 11:04:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 11:04:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:04:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:04:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-21 11:04:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-21 11:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-21 11:04:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-21 11:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:04:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-21 11:04:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-21 11:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-21 11:04:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-21 11:04:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-21 11:04:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-21 11:04:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 11:04:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 11:04:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-21 11:04:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-21 11:04:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:04:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:04:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-21 11:04:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-21 11:04:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 11:04:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 11:04:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:04:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:04:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-21 11:04:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-21 11:04:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:04:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:04:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-21 11:04:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-21 11:04:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:04:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:04:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 11:04:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 11:04:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-21 11:04:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-21 11:04:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 11:04:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 11:04:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:04:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:04:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-21 11:04:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-21 11:04:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-21 11:04:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-21 11:04:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:04:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-21 11:04:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-21 11:04:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:04:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:04:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 11:04:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 11:04:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 11:04:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 11:04:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:04:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:04:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:04:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-21 11:04:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-21 11:04:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:04:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:04:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 11:04:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 11:04:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:04:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:04:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:04:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-21 11:04:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-21 11:04:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-21 11:04:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-21 11:04:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-21 11:04:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-21 11:04:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2022-07-21 11:04:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2022-07-21 11:04:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-21 11:04:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-21 11:04:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:04:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:04:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-21 11:04:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-21 11:04:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-21 11:04:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-21 11:04:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-21 11:04:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-21 11:04:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 11:04:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 11:04:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:04:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:04:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 11:04:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 11:04:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-21 11:04:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-21 11:04:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-21 11:04:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-21 11:04:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 11:04:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 11:04:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 11:04:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 11:04:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 11:04:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 11:04:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:04:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:04:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-21 11:04:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-21 11:04:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-21 11:04:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-21 11:04:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-21 11:04:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-21 11:04:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-21 11:04:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-21 11:04:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-21 11:04:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-21 11:04:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:04:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:04:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:04:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:04:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:04:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 11:04:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 11:04:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:04:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-21 11:04:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-21 11:04:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-21 11:04:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-21 11:04:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:04:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 11:04:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 11:04:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-21 11:04:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-21 11:04:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 11:04:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 11:04:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:04:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:04:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:04:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:04:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-21 11:04:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-21 11:04:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:04:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:04:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:04:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:04:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:04:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:04:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2022-07-21 11:04:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2022-07-21 11:04:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:04:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:04:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 11:04:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 11:04:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-21 11:04:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-21 11:04:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:04:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 11:04:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 11:04:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-21 11:04:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-21 11:04:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:04:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:04:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-21 11:04:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-21 11:04:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-21 11:04:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-21 11:04:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-21 11:04:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-21 11:04:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-21 11:04:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-21 11:04:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-21 11:04:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-21 11:04:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-21 11:04:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-21 11:04:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:04:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-21 11:04:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-21 11:04:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-21 11:04:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-21 11:04:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-21 11:04:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-21 11:04:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-21 11:04:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-21 11:04:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-21 11:04:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-21 11:04:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:04:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2022-07-21 11:04:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:04:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:04:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:04:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-21 11:04:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-21 11:04:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:04:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:04:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 11:04:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 11:04:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-21 11:04:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-21 11:04:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:04:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:04:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-21 11:04:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-21 11:04:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:04:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:04:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 11:04:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 11:04:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-21 11:04:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-21 11:04:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-21 11:04:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-21 11:04:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-21 11:04:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-21 11:04:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-21 11:04:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-21 11:04:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:04:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:04:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-21 11:04:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-21 11:04:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:04:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:04:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-21 11:04:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-21 11:04:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-21 11:04:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-21 11:04:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-21 11:04:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-21 11:04:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-21 11:04:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-21 11:04:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-21 11:04:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-21 11:04:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:04:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-21 11:04:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:04:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 11:04:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 11:04:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:04:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:04:20,500 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:04:20,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:04:20,770 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:04:55,120 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:04:55,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:04:55,149 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-07-21 11:04:55,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:04:55 BoogieIcfgContainer [2022-07-21 11:04:55,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:04:55,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:04:55,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:04:55,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:04:55,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:04:15" (1/3) ... [2022-07-21 11:04:55,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61144820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:04:55, skipping insertion in model container [2022-07-21 11:04:55,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:04:18" (2/3) ... [2022-07-21 11:04:55,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61144820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:04:55, skipping insertion in model container [2022-07-21 11:04:55,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:04:55" (3/3) ... [2022-07-21 11:04:55,166 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 11:04:55,179 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:04:55,179 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:04:55,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:04:55,291 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bff08b2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@98d4c99 [2022-07-21 11:04:55,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:04:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 2580 states, 1776 states have (on average 1.481981981981982) internal successors, (2632), 1840 states have internal predecessors, (2632), 689 states have call successors, (689), 125 states have call predecessors, (689), 124 states have return successors, (684), 669 states have call predecessors, (684), 684 states have call successors, (684) [2022-07-21 11:04:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-21 11:04:55,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:04:55,327 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:04:55,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:04:55,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:04:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1143181233, now seen corresponding path program 1 times [2022-07-21 11:04:55,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:04:55,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370856993] [2022-07-21 11:04:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:04:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:04:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:04:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:04:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:04:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:04:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:04:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:04:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:04:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:04:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:04:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:04:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-21 11:04:56,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:04:56,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370856993] [2022-07-21 11:04:56,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370856993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:04:56,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:04:56,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:04:56,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226369495] [2022-07-21 11:04:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:04:56,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:04:56,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:04:56,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:04:56,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:04:56,698 INFO L87 Difference]: Start difference. First operand has 2580 states, 1776 states have (on average 1.481981981981982) internal successors, (2632), 1840 states have internal predecessors, (2632), 689 states have call successors, (689), 125 states have call predecessors, (689), 124 states have return successors, (684), 669 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:04:58,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:01,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:03,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:09,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:34,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:05:34,008 INFO L93 Difference]: Finished difference Result 8698 states and 14826 transitions. [2022-07-21 11:05:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:05:34,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2022-07-21 11:05:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:05:34,105 INFO L225 Difference]: With dead ends: 8698 [2022-07-21 11:05:34,105 INFO L226 Difference]: Without dead ends: 6105 [2022-07-21 11:05:34,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:05:34,163 INFO L413 NwaCegarLoop]: 4201 mSDtfsCounter, 6929 mSDsluCounter, 7248 mSDsCounter, 0 mSdLazyCounter, 3729 mSolverCounterSat, 4036 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7235 SdHoareTripleChecker+Valid, 11449 SdHoareTripleChecker+Invalid, 7769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4036 IncrementalHoareTripleChecker+Valid, 3729 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:05:34,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7235 Valid, 11449 Invalid, 7769 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4036 Valid, 3729 Invalid, 4 Unknown, 0 Unchecked, 36.1s Time] [2022-07-21 11:05:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2022-07-21 11:05:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 5025. [2022-07-21 11:05:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5025 states, 3446 states have (on average 1.3076030179918747) internal successors, (4506), 3538 states have internal predecessors, (4506), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 246 states have return successors, (1331), 1301 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-07-21 11:05:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 7169 transitions. [2022-07-21 11:05:34,605 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 7169 transitions. Word has length 72 [2022-07-21 11:05:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:05:34,606 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 7169 transitions. [2022-07-21 11:05:34,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:05:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 7169 transitions. [2022-07-21 11:05:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-21 11:05:34,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:05:34,614 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:05:34,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:05:34,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:05:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:05:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2042730437, now seen corresponding path program 1 times [2022-07-21 11:05:34,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:05:34,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974231967] [2022-07-21 11:05:34,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:05:34,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:05:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:05:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:05:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:05:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:05:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:05:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:05:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:05:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:05:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:05:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:05:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:05:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 11:05:35,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:05:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974231967] [2022-07-21 11:05:35,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974231967] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:05:35,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:05:35,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:05:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054278944] [2022-07-21 11:05:35,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:05:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:05:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:05:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:05:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:05:35,500 INFO L87 Difference]: Start difference. First operand 5025 states and 7169 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-21 11:05:37,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:39,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:05:47,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:24,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:06:24,417 INFO L93 Difference]: Finished difference Result 17180 states and 25448 transitions. [2022-07-21 11:06:24,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:06:24,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2022-07-21 11:06:24,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:06:24,708 INFO L225 Difference]: With dead ends: 17180 [2022-07-21 11:06:24,709 INFO L226 Difference]: Without dead ends: 12171 [2022-07-21 11:06:24,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:06:24,765 INFO L413 NwaCegarLoop]: 4322 mSDtfsCounter, 6952 mSDsluCounter, 14742 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 3938 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7255 SdHoareTripleChecker+Valid, 19064 SdHoareTripleChecker+Invalid, 10302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3938 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:06:24,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 19064 Invalid, 10302 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3938 Valid, 6361 Invalid, 3 Unknown, 0 Unchecked, 47.5s Time] [2022-07-21 11:06:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12171 states. [2022-07-21 11:06:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12171 to 10219. [2022-07-21 11:06:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10219 states, 7016 states have (on average 1.3060148232611175) internal successors, (9163), 7198 states have internal predecessors, (9163), 2680 states have call successors, (2680), 493 states have call predecessors, (2680), 522 states have return successors, (2981), 2641 states have call predecessors, (2981), 2679 states have call successors, (2981) [2022-07-21 11:06:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 14824 transitions. [2022-07-21 11:06:25,355 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 14824 transitions. Word has length 82 [2022-07-21 11:06:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:06:25,358 INFO L495 AbstractCegarLoop]: Abstraction has 10219 states and 14824 transitions. [2022-07-21 11:06:25,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-21 11:06:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 14824 transitions. [2022-07-21 11:06:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-21 11:06:25,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:06:25,393 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:06:25,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:06:25,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:06:25,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:06:25,394 INFO L85 PathProgramCache]: Analyzing trace with hash 561715328, now seen corresponding path program 1 times [2022-07-21 11:06:25,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:06:25,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637383183] [2022-07-21 11:06:25,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:06:25,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:06:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:06:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:06:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:06:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:06:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:06:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:06:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:06:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:06:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:06:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:06:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:06:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:06:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:06:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:06:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 11:06:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 11:06:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:06:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:06:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:06:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 11:06:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 11:06:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:06:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:06:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:06:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:06:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:06:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:06:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:06:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:06:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:06:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 11:06:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-21 11:06:27,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:06:27,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637383183] [2022-07-21 11:06:27,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637383183] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:06:27,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:06:27,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:06:27,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21194572] [2022-07-21 11:06:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:06:27,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:06:27,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:06:27,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:06:27,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:06:27,796 INFO L87 Difference]: Start difference. First operand 10219 states and 14824 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 11:06:29,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:32,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:44,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:46,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:43,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:07:43,983 INFO L93 Difference]: Finished difference Result 34121 states and 50587 transitions. [2022-07-21 11:07:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:07:43,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 222 [2022-07-21 11:07:43,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:07:44,275 INFO L225 Difference]: With dead ends: 34121 [2022-07-21 11:07:44,275 INFO L226 Difference]: Without dead ends: 23924 [2022-07-21 11:07:44,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:07:44,353 INFO L413 NwaCegarLoop]: 5694 mSDtfsCounter, 5142 mSDsluCounter, 10554 mSDsCounter, 0 mSdLazyCounter, 6627 mSolverCounterSat, 1846 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5516 SdHoareTripleChecker+Valid, 16248 SdHoareTripleChecker+Invalid, 8476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 6627 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:07:44,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5516 Valid, 16248 Invalid, 8476 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1846 Valid, 6627 Invalid, 3 Unknown, 0 Unchecked, 72.2s Time] [2022-07-21 11:07:44,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23924 states. [2022-07-21 11:07:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23924 to 19769. [2022-07-21 11:07:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19769 states, 13522 states have (on average 1.3027658630380121) internal successors, (17616), 13870 states have internal predecessors, (17616), 5198 states have call successors, (5198), 981 states have call predecessors, (5198), 1048 states have return successors, (5775), 5129 states have call predecessors, (5775), 5197 states have call successors, (5775) [2022-07-21 11:07:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19769 states to 19769 states and 28589 transitions. [2022-07-21 11:07:46,496 INFO L78 Accepts]: Start accepts. Automaton has 19769 states and 28589 transitions. Word has length 222 [2022-07-21 11:07:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:07:46,497 INFO L495 AbstractCegarLoop]: Abstraction has 19769 states and 28589 transitions. [2022-07-21 11:07:46,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 11:07:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19769 states and 28589 transitions. [2022-07-21 11:07:46,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 11:07:46,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:07:46,549 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:07:46,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:07:46,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:07:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:07:46,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1486322225, now seen corresponding path program 1 times [2022-07-21 11:07:46,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:07:46,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473620930] [2022-07-21 11:07:46,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:07:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:07:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:07:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:07:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:07:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:07:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:07:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:07:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:07:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:07:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:07:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:07:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 11:07:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 11:07:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:07:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 11:07:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 11:07:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:07:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 11:07:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 11:07:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:07:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 11:07:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 11:07:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:07:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:07:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:07:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:07:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:07:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 11:07:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-21 11:07:48,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:07:48,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473620930] [2022-07-21 11:07:48,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473620930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:07:48,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:07:48,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:07:48,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073260311] [2022-07-21 11:07:48,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:07:48,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:07:48,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:07:48,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:07:48,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:07:48,939 INFO L87 Difference]: Start difference. First operand 19769 states and 28589 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 11:07:50,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:53,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:55,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:01,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []