./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 6c24879c 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-?-6c24879 [2022-07-12 12:30:46,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:30:46,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:30:46,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:30:46,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:30:46,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:30:46,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:30:46,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:30:46,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:30:46,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:30:46,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:30:46,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:30:46,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:30:46,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:30:46,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:30:46,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:30:46,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:30:46,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:30:46,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:30:46,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:30:46,991 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:30:46,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:30:46,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:30:46,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:30:46,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:30:46,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:30:46,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:30:46,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:30:46,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:30:46,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:30:46,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:30:47,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:30:47,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:30:47,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:30:47,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:30:47,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:30:47,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:30:47,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:30:47,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:30:47,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:30:47,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:30:47,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:30:47,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:30:47,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:30:47,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:30:47,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:30:47,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:30:47,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:30:47,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:30:47,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:30:47,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:30:47,031 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:30:47,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:30:47,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:30:47,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:30:47,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:30:47,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:30:47,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:30:47,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:30:47,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:30:47,034 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:30:47,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:30:47,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:30:47,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b [2022-07-12 12:30:47,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:30:47,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:30:47,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:30:47,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:30:47,256 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:30:47,257 INFO L432 ainManager$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 [2022-07-12 12:30:47,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661f1a50b/8ed10b5e0003440eb5dee0467ee7342c/FLAG9f0217d16 [2022-07-12 12:30:47,903 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:30:47,904 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 [2022-07-12 12:30:47,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661f1a50b/8ed10b5e0003440eb5dee0467ee7342c/FLAG9f0217d16 [2022-07-12 12:30:48,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661f1a50b/8ed10b5e0003440eb5dee0467ee7342c [2022-07-12 12:30:48,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:30:48,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:30:48,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:30:48,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:30:48,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:30:48,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:30:48" (1/1) ... [2022-07-12 12:30:48,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d19eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:48, skipping insertion in model container [2022-07-12 12:30:48,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:30:48" (1/1) ... [2022-07-12 12:30:48,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:30:48,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:30:49,210 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] [2022-07-12 12:30:49,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:30:50,035 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:30:50,143 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] [2022-07-12 12:30:50,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:30:50,474 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:30:50,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50 WrapperNode [2022-07-12 12:30:50,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:30:50,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:30:50,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:30:50,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:30:50,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,708 INFO L137 Inliner]: procedures = 372, calls = 2044, calls flagged for inlining = 175, calls inlined = 127, statements flattened = 5007 [2022-07-12 12:30:50,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:30:50,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:30:50,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:30:50,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:30:50,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:30:50,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:30:50,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:30:50,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:30:50,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (1/1) ... [2022-07-12 12:30:50,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:30:50,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:30:50,928 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) [2022-07-12 12:30:50,934 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 [2022-07-12 12:30:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 12:30:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 12:30:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 12:30:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 12:30:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:30:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:30:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 12:30:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 12:30:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-12 12:30:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:30:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:30:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-12 12:30:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-12 12:30:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 12:30:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 12:30:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 12:30:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 12:30:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 12:30:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 12:30:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:30:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:30:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-12 12:30:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-12 12:30:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-12 12:30:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-12 12:30:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:30:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:30:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-12 12:30:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-12 12:30:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-12 12:30:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-12 12:30:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-12 12:30:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-12 12:30:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-12 12:30:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-12 12:30:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 12:30:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 12:30:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:30:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:30:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-12 12:30:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-12 12:30:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 12:30:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 12:30:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:30:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:30:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-12 12:30:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-12 12:30:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:30:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:30:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-12 12:30:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-12 12:30:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:30:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:30:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 12:30:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 12:30:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-12 12:30:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-12 12:30:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-12 12:30:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-12 12:30:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:30:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:30:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-12 12:30:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-12 12:30:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-12 12:30:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-12 12:30:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:30:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-12 12:30:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-12 12:30:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 12:30:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 12:30:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 12:30:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 12:30:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 12:30:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:30:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-12 12:30:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 12:30:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 12:30:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 12:30:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:30:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 12:30:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 12:30:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-12 12:30:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-12 12:30:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-12 12:30:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-12 12:30:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-12 12:30:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-12 12:30:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2022-07-12 12:30:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2022-07-12 12:30:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-12 12:30:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-12 12:30:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:30:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:30:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-12 12:30:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-12 12:30:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-12 12:30:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-12 12:30:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-12 12:30:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-12 12:30:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 12:30:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 12:30:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:30:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:30:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 12:30:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 12:30:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-12 12:30:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-12 12:30:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-12 12:30:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-12 12:30:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 12:30:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 12:30:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 12:30:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 12:30:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 12:30:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 12:30:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:30:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:30:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-12 12:30:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-12 12:30:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-12 12:30:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-12 12:30:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-12 12:30:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-12 12:30:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 12:30:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 12:30:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-12 12:30:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:30:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:30:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:30:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-12 12:30:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-12 12:30:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 12:30:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 12:30:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:30:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 12:30:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 12:30:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-12 12:30:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-12 12:30:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 12:30:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 12:30:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:30:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:30:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:30:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:30:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-12 12:30:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-12 12:30:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 12:30:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 12:30:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:30:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:30:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 12:30:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 12:30:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2022-07-12 12:30:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2022-07-12 12:30:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:30:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:30:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 12:30:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 12:30:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-12 12:30:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-12 12:30:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:30:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 12:30:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 12:30:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-12 12:30:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-12 12:30:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:30:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:30:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-12 12:30:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-12 12:30:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-12 12:30:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-12 12:30:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-12 12:30:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-12 12:30:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-12 12:30:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-12 12:30:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-12 12:30:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-12 12:30:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-12 12:30:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-12 12:30:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:30:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-12 12:30:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-12 12:30:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-12 12:30:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-12 12:30:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-12 12:30:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-12 12:30:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-12 12:30:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-12 12:30:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:30:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:30:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2022-07-12 12:30:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2022-07-12 12:30:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:30:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:30:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:30:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-12 12:30:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-12 12:30:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 12:30:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 12:30:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:30:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:30:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-12 12:30:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-12 12:30:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 12:30:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 12:30:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-12 12:30:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-12 12:30:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 12:30:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 12:30:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 12:30:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 12:30:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-12 12:30:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-12 12:30:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-12 12:30:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-12 12:30:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-12 12:30:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-12 12:30:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-12 12:30:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-12 12:30:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:30:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:30:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-12 12:30:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-12 12:30:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:30:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:30:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-12 12:30:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-12 12:30:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-12 12:30:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-12 12:30:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 12:30:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 12:30:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-12 12:30:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-12 12:30:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-12 12:30:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:30:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-12 12:30:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:30:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:30:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 12:30:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 12:30:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:30:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:30:51,617 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:30:51,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:30:51,907 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:31:23,817 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:31:23,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:31:23,840 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-07-12 12:31:23,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:31:23 BoogieIcfgContainer [2022-07-12 12:31:23,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:31:23,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:31:23,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:31:23,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:31:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:30:48" (1/3) ... [2022-07-12 12:31:23,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df19fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:31:23, skipping insertion in model container [2022-07-12 12:31:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:30:50" (2/3) ... [2022-07-12 12:31:23,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df19fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:31:23, skipping insertion in model container [2022-07-12 12:31:23,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:31:23" (3/3) ... [2022-07-12 12:31:23,852 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 [2022-07-12 12:31:23,862 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:31:23,862 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:31:23,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:31:23,957 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@3fe0cada, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3049db96 [2022-07-12 12:31:23,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:31:23,969 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) [2022-07-12 12:31:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-12 12:31:23,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:31:23,988 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] [2022-07-12 12:31:23,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:31:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:31:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1143181233, now seen corresponding path program 1 times [2022-07-12 12:31:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:31:24,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783081524] [2022-07-12 12:31:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:31:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:31:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:31:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:31:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:31:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:31:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:31:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:31:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:31:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:31:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:31:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-12 12:31:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:31:24,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783081524] [2022-07-12 12:31:24,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783081524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:31:24,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:31:24,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:31:24,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42066024] [2022-07-12 12:31:24,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:31:24,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:31:24,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:31:24,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:31:24,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:31:24,969 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) [2022-07-12 12:31:27,030 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 [] [2022-07-12 12:31:29,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:31:31,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:31:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:31:56,343 INFO L93 Difference]: Finished difference Result 8698 states and 14826 transitions. [2022-07-12 12:31:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:31:56,356 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 [2022-07-12 12:31:56,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:31:56,442 INFO L225 Difference]: With dead ends: 8698 [2022-07-12 12:31:56,443 INFO L226 Difference]: Without dead ends: 6105 [2022-07-12 12:31:56,495 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 [2022-07-12 12:31:56,499 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 6937 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 3751 mSolverCounterSat, 4016 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7247 SdHoareTripleChecker+Valid, 11416 SdHoareTripleChecker+Invalid, 7770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4016 IncrementalHoareTripleChecker+Valid, 3751 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:31:56,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7247 Valid, 11416 Invalid, 7770 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4016 Valid, 3751 Invalid, 3 Unknown, 0 Unchecked, 30.3s Time] [2022-07-12 12:31:56,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2022-07-12 12:31:56,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 5025. [2022-07-12 12:31:56,790 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) [2022-07-12 12:31:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 7169 transitions. [2022-07-12 12:31:56,829 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 7169 transitions. Word has length 72 [2022-07-12 12:31:56,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:31:56,831 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 7169 transitions. [2022-07-12 12:31:56,831 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) [2022-07-12 12:31:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 7169 transitions. [2022-07-12 12:31:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-12 12:31:56,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:31:56,838 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] [2022-07-12 12:31:56,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:31:56,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:31:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:31:56,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2042730437, now seen corresponding path program 1 times [2022-07-12 12:31:56,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:31:56,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834959473] [2022-07-12 12:31:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:31:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:31:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:31:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:31:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:31:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:31:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:31:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:31:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:31:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:31:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:31:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 12:31:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:31:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-12 12:31:57,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:31:57,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834959473] [2022-07-12 12:31:57,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834959473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:31:57,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:31:57,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:31:57,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385748899] [2022-07-12 12:31:57,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:31:57,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:31:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:31:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:31:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:31:57,532 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) [2022-07-12 12:31:59,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:32:01,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:32:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:32:39,530 INFO L93 Difference]: Finished difference Result 17180 states and 25448 transitions. [2022-07-12 12:32:39,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:32:39,530 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 [2022-07-12 12:32:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:32:39,636 INFO L225 Difference]: With dead ends: 17180 [2022-07-12 12:32:39,637 INFO L226 Difference]: Without dead ends: 12171 [2022-07-12 12:32:39,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:32:39,682 INFO L413 NwaCegarLoop]: 4421 mSDtfsCounter, 6904 mSDsluCounter, 15041 mSDsCounter, 0 mSdLazyCounter, 6418 mSolverCounterSat, 3879 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7213 SdHoareTripleChecker+Valid, 19462 SdHoareTripleChecker+Invalid, 10299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 6418 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:32:39,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7213 Valid, 19462 Invalid, 10299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3879 Valid, 6418 Invalid, 2 Unknown, 0 Unchecked, 40.8s Time] [2022-07-12 12:32:39,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12171 states. [2022-07-12 12:32:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12171 to 10219. [2022-07-12 12:32:40,058 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) [2022-07-12 12:32:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 14824 transitions. [2022-07-12 12:32:40,109 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 14824 transitions. Word has length 82 [2022-07-12 12:32:40,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:32:40,109 INFO L495 AbstractCegarLoop]: Abstraction has 10219 states and 14824 transitions. [2022-07-12 12:32:40,110 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) [2022-07-12 12:32:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 14824 transitions. [2022-07-12 12:32:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-12 12:32:40,137 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:32:40,137 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] [2022-07-12 12:32:40,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:32:40,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:32:40,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:32:40,138 INFO L85 PathProgramCache]: Analyzing trace with hash 561715328, now seen corresponding path program 1 times [2022-07-12 12:32:40,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:32:40,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309622387] [2022-07-12 12:32:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:32:40,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:32:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:32:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:32:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:32:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:32:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:32:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:32:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:32:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:32:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:32:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:32:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 12:32:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:32:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:32:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 12:32:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:32:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 12:32:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 12:32:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:32:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:32:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:32:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 12:32:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:32:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:32:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:32:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:32:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:32:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:32:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:32:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:32:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 12:32:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 12:32:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:32:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-12 12:32:42,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:32:42,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309622387] [2022-07-12 12:32:42,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309622387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:32:42,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:32:42,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:32:42,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207781617] [2022-07-12 12:32:42,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:32:42,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:32:42,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:32:42,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:32:42,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:32:42,114 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) [2022-07-12 12:32:44,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:32:46,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:33:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:33:50,925 INFO L93 Difference]: Finished difference Result 34121 states and 50587 transitions. [2022-07-12 12:33:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:33:50,931 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 [2022-07-12 12:33:50,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:33:51,135 INFO L225 Difference]: With dead ends: 34121 [2022-07-12 12:33:51,136 INFO L226 Difference]: Without dead ends: 23924 [2022-07-12 12:33:51,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:33:51,200 INFO L413 NwaCegarLoop]: 5657 mSDtfsCounter, 5202 mSDsluCounter, 10523 mSDsCounter, 0 mSdLazyCounter, 6587 mSolverCounterSat, 1848 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5582 SdHoareTripleChecker+Valid, 16180 SdHoareTripleChecker+Invalid, 8437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1848 IncrementalHoareTripleChecker+Valid, 6587 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:33:51,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5582 Valid, 16180 Invalid, 8437 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1848 Valid, 6587 Invalid, 2 Unknown, 0 Unchecked, 64.9s Time] [2022-07-12 12:33:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23924 states. [2022-07-12 12:33:52,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23924 to 19769. [2022-07-12 12:33:52,846 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) [2022-07-12 12:33:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19769 states to 19769 states and 28589 transitions. [2022-07-12 12:33:53,060 INFO L78 Accepts]: Start accepts. Automaton has 19769 states and 28589 transitions. Word has length 222 [2022-07-12 12:33:53,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:33:53,061 INFO L495 AbstractCegarLoop]: Abstraction has 19769 states and 28589 transitions. [2022-07-12 12:33:53,061 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) [2022-07-12 12:33:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 19769 states and 28589 transitions. [2022-07-12 12:33:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-12 12:33:53,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:33:53,092 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, 1, 1, 1, 1] [2022-07-12 12:33:53,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:33:53,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:33:53,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:33:53,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1250551486, now seen corresponding path program 1 times [2022-07-12 12:33:53,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:33:53,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341229172] [2022-07-12 12:33:53,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:33:53,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:33:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:33:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:33:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:33:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:33:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:33:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:33:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:33:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:33:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:33:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 12:33:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 12:33:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:33:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:33:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:33:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 12:33:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 12:33:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:33:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 12:33:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 12:33:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:33:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 12:33:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:33:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:33:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:33:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:33:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:33:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:33:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:33:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:33:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:33:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 12:33:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 12:33:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:33:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-12 12:33:55,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:33:55,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341229172] [2022-07-12 12:33:55,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341229172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:33:55,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:33:55,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:33:55,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476310935] [2022-07-12 12:33:55,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:33:55,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:33:55,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:33:55,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:33:55,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:33:55,075 INFO L87 Difference]: Start difference. First operand 19769 states and 28589 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-07-12 12:33:57,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:33:59,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:34:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:34:31,727 INFO L93 Difference]: Finished difference Result 37590 states and 55205 transitions. [2022-07-12 12:34:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 12:34:31,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 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) Word has length 245 [2022-07-12 12:34:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:34:31,865 INFO L225 Difference]: With dead ends: 37590 [2022-07-12 12:34:31,866 INFO L226 Difference]: Without dead ends: 17842 [2022-07-12 12:34:31,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:34:31,969 INFO L413 NwaCegarLoop]: 3574 mSDtfsCounter, 1756 mSDsluCounter, 7799 mSDsCounter, 0 mSdLazyCounter, 4157 mSolverCounterSat, 1739 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 11373 SdHoareTripleChecker+Invalid, 5898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 4157 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:34:31,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 11373 Invalid, 5898 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1739 Valid, 4157 Invalid, 2 Unknown, 0 Unchecked, 33.2s Time] [2022-07-12 12:34:31,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17842 states. [2022-07-12 12:34:33,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17842 to 14730. [2022-07-12 12:34:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14730 states, 10061 states have (on average 1.3006659377795449) internal successors, (13086), 10317 states have internal predecessors, (13086), 3875 states have call successors, (3875), 743 states have call predecessors, (3875), 793 states have return successors, (4300), 3824 states have call predecessors, (4300), 3874 states have call successors, (4300) [2022-07-12 12:34:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14730 states to 14730 states and 21261 transitions. [2022-07-12 12:34:33,372 INFO L78 Accepts]: Start accepts. Automaton has 14730 states and 21261 transitions. Word has length 245 [2022-07-12 12:34:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:34:33,372 INFO L495 AbstractCegarLoop]: Abstraction has 14730 states and 21261 transitions. [2022-07-12 12:34:33,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-07-12 12:34:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14730 states and 21261 transitions. [2022-07-12 12:34:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-12 12:34:33,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:34:33,395 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:34:33,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:34:33,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:34:33,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:34:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2132493442, now seen corresponding path program 1 times [2022-07-12 12:34:33,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:34:33,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345464511] [2022-07-12 12:34:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:34:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:34:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:34:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:34:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:34:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:34:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:34:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:34:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:34:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:34:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:34:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 12:34:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:34:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 12:34:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:34:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 12:34:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 12:34:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 12:34:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:34:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 12:34:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 12:34:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 12:34:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 12:34:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 12:34:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:34:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:34:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 12:34:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:34:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:34:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:34:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:34:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:34:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 12:34:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:34:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:34:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 12:34:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:34:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-12 12:34:35,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:34:35,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345464511] [2022-07-12 12:34:35,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345464511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:34:35,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:34:35,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:34:35,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075520380] [2022-07-12 12:34:35,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:34:35,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:34:35,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:34:35,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:34:35,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:34:35,567 INFO L87 Difference]: Start difference. First operand 14730 states and 21261 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 12:34:37,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:34:39,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []