./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 eb692b52 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-?-eb692b5 [2022-07-19 23:32:48,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:32:48,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:32:48,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:32:48,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:32:48,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:32:48,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:32:48,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:32:48,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:32:48,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:32:48,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:32:48,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:32:48,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:32:48,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:32:48,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:32:48,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:32:48,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:32:48,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:32:48,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:32:48,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:32:48,788 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:32:48,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:32:48,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:32:48,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:32:48,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:32:48,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:32:48,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:32:48,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:32:48,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:32:48,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:32:48,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:32:48,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:32:48,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:32:48,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:32:48,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:32:48,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:32:48,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:32:48,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:32:48,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:32:48,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:32:48,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:32:48,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:32:48,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:32:48,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:32:48,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:32:48,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:32:48,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:32:48,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:32:48,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:32:48,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:32:48,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:32:48,824 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:32:48,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:32:48,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:32:48,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:32:48,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:32:48,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:32:48,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:32:48,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:32:48,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:32:48,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:32:48,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:32:48,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:32:48,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:32:48,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:32:48,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:32:48,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:32:48,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:32:48,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:32:48,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:32:48,828 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:32:48,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:32:48,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:32:48,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b [2022-07-19 23:32:49,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:32:49,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:32:49,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:32:49,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:32:49,086 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:32:49,088 INFO L432 ainManager$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 [2022-07-19 23:32:49,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274fd1668/9a0c778aeaf4436d95c12276cc32608b/FLAG75b8cc0fd [2022-07-19 23:32:49,895 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:32:49,896 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 [2022-07-19 23:32:49,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274fd1668/9a0c778aeaf4436d95c12276cc32608b/FLAG75b8cc0fd [2022-07-19 23:32:50,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274fd1668/9a0c778aeaf4436d95c12276cc32608b [2022-07-19 23:32:50,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:32:50,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:32:50,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:32:50,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:32:50,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:32:50,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:32:50" (1/1) ... [2022-07-19 23:32:50,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716568a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:50, skipping insertion in model container [2022-07-19 23:32:50,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:32:50" (1/1) ... [2022-07-19 23:32:50,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:32:50,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:32:51,638 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] [2022-07-19 23:32:52,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:32:53,024 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:32:53,167 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] [2022-07-19 23:32:53,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:32:53,654 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:32:53,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53 WrapperNode [2022-07-19 23:32:53,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:32:53,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:32:53,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:32:53,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:32:53,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:53,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:53,934 INFO L137 Inliner]: procedures = 372, calls = 2044, calls flagged for inlining = 175, calls inlined = 127, statements flattened = 5007 [2022-07-19 23:32:53,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:32:53,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:32:53,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:32:53,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:32:53,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:53,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:53,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:53,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:54,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:54,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:54,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:54,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:32:54,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:32:54,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:32:54,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:32:54,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (1/1) ... [2022-07-19 23:32:54,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:32:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:32:54,237 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) [2022-07-19 23:32:54,259 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 [2022-07-19 23:32:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-19 23:32:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-19 23:32:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-19 23:32:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-19 23:32:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:32:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:32:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-19 23:32:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-19 23:32:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-19 23:32:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-19 23:32:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-19 23:32:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-19 23:32:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:32:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:32:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:32:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:32:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-19 23:32:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-19 23:32:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-19 23:32:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-19 23:32:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 23:32:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 23:32:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:32:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:32:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:32:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:32:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-19 23:32:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-19 23:32:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-19 23:32:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-19 23:32:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-19 23:32:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-19 23:32:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-19 23:32:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-19 23:32:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-19 23:32:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-19 23:32:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-19 23:32:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-19 23:32:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-19 23:32:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-19 23:32:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-19 23:32:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-19 23:32:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:32:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:32:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-19 23:32:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-19 23:32:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-19 23:32:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-19 23:32:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:32:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:32:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-19 23:32:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-19 23:32:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:32:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:32:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-19 23:32:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-19 23:32:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:32:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:32:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-19 23:32:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-19 23:32:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-19 23:32:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-19 23:32:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-19 23:32:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-19 23:32:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:32:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:32:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-19 23:32:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-19 23:32:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-19 23:32:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-19 23:32:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:32:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-19 23:32:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-19 23:32:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:32:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:32:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-19 23:32:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-19 23:32:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:32:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:32:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:32:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:32:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:32:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-19 23:32:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-19 23:32:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 23:32:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 23:32:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-19 23:32:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-19 23:32:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:32:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-19 23:32:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-19 23:32:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-19 23:32:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-19 23:32:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-19 23:32:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-19 23:32:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-19 23:32:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-19 23:32:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2022-07-19 23:32:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2022-07-19 23:32:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-19 23:32:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-19 23:32:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:32:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:32:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-19 23:32:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-19 23:32:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-19 23:32:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-19 23:32:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-19 23:32:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-19 23:32:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-19 23:32:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-19 23:32:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:32:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:32:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-19 23:32:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-19 23:32:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-19 23:32:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-19 23:32:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-19 23:32:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-19 23:32:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:32:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:32:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-19 23:32:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-19 23:32:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:32:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:32:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:32:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:32:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-19 23:32:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-19 23:32:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-19 23:32:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-19 23:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-19 23:32:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-19 23:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-19 23:32:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-19 23:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-19 23:32:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-19 23:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:32:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:32:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:32:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-19 23:32:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-19 23:32:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-19 23:32:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-19 23:32:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:32:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:32:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:32:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-19 23:32:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-19 23:32:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-19 23:32:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-19 23:32:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:32:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:32:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:32:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-19 23:32:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-19 23:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-19 23:32:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-19 23:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:32:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-19 23:32:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-19 23:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2022-07-19 23:32:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2022-07-19 23:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:32:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-19 23:32:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-19 23:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-19 23:32:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-19 23:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-19 23:32:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-19 23:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-19 23:32:54,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-19 23:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:32:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-19 23:32:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-19 23:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-19 23:32:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-19 23:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-19 23:32:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-19 23:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-19 23:32:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-19 23:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-19 23:32:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-19 23:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-19 23:32:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-19 23:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-19 23:32:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-19 23:32:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-19 23:32:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-19 23:32:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-19 23:32:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-19 23:32:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-19 23:32:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-19 23:32:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-19 23:32:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-19 23:32:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:32:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-19 23:32:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-19 23:32:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:32:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:32:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2022-07-19 23:32:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2022-07-19 23:32:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:32:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:32:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:32:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-19 23:32:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-19 23:32:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:32:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:32:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 23:32:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 23:32:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-19 23:32:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-19 23:32:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-19 23:32:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-19 23:32:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-19 23:32:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-19 23:32:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-19 23:32:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-19 23:32:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-19 23:32:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-19 23:32:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-19 23:32:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-19 23:32:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-19 23:32:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-19 23:32:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-19 23:32:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-19 23:32:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-19 23:32:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-19 23:32:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:32:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:32:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-19 23:32:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-19 23:32:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:32:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:32:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-19 23:32:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-19 23:32:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-19 23:32:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-19 23:32:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-19 23:32:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-19 23:32:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-19 23:32:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-19 23:32:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-19 23:32:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-19 23:32:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:32:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:32:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:32:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-19 23:32:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-19 23:32:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-19 23:32:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:32:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:32:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-19 23:32:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-19 23:32:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 23:32:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 23:32:55,080 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:32:55,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:32:55,268 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:33:31,687 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:33:31,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:33:31,717 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-07-19 23:33:31,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:33:31 BoogieIcfgContainer [2022-07-19 23:33:31,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:33:31,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:33:31,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:33:31,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:33:31,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:32:50" (1/3) ... [2022-07-19 23:33:31,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d8294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:33:31, skipping insertion in model container [2022-07-19 23:33:31,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:32:53" (2/3) ... [2022-07-19 23:33:31,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d8294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:33:31, skipping insertion in model container [2022-07-19 23:33:31,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:33:31" (3/3) ... [2022-07-19 23:33:31,731 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 [2022-07-19 23:33:31,746 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:33:31,746 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:33:31,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:33:31,864 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@692bc23, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3faebe3d [2022-07-19 23:33:31,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:33:31,874 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) [2022-07-19 23:33:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-19 23:33:31,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:33:31,887 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] [2022-07-19 23:33:31,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:33:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:33:31,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1143181233, now seen corresponding path program 1 times [2022-07-19 23:33:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:33:31,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441118271] [2022-07-19 23:33:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:33:31,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:33:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:33:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:33:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:33:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:33:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:33:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:33:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:33:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:33:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:33:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:33:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-19 23:33:33,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:33:33,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441118271] [2022-07-19 23:33:33,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441118271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:33:33,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:33:33,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:33:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959776728] [2022-07-19 23:33:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:33:33,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:33:33,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:33:33,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:33:33,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:33:33,100 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) [2022-07-19 23:33:35,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:33:37,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:33:39,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:34:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:34:06,136 INFO L93 Difference]: Finished difference Result 8698 states and 14826 transitions. [2022-07-19 23:34:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:34:06,138 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 [2022-07-19 23:34:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:34:06,230 INFO L225 Difference]: With dead ends: 8698 [2022-07-19 23:34:06,230 INFO L226 Difference]: Without dead ends: 6105 [2022-07-19 23:34:06,287 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 [2022-07-19 23:34:06,289 INFO L413 NwaCegarLoop]: 4152 mSDtfsCounter, 6959 mSDsluCounter, 7214 mSDsCounter, 0 mSdLazyCounter, 3700 mSolverCounterSat, 4048 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7280 SdHoareTripleChecker+Valid, 11366 SdHoareTripleChecker+Invalid, 7751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4048 IncrementalHoareTripleChecker+Valid, 3700 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:34:06,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7280 Valid, 11366 Invalid, 7751 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4048 Valid, 3700 Invalid, 3 Unknown, 0 Unchecked, 31.9s Time] [2022-07-19 23:34:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2022-07-19 23:34:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 5025. [2022-07-19 23:34:06,662 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) [2022-07-19 23:34:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 7169 transitions. [2022-07-19 23:34:06,713 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 7169 transitions. Word has length 72 [2022-07-19 23:34:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:34:06,714 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 7169 transitions. [2022-07-19 23:34:06,714 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) [2022-07-19 23:34:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 7169 transitions. [2022-07-19 23:34:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-19 23:34:06,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:34:06,725 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] [2022-07-19 23:34:06,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:34:06,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:34:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:34:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2042730437, now seen corresponding path program 1 times [2022-07-19 23:34:06,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:34:06,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460372164] [2022-07-19 23:34:06,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:34:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:34:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:34:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:34:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:34:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:34:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:34:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:34:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:34:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:34:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:34:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 23:34:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-19 23:34:07,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:34:07,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460372164] [2022-07-19 23:34:07,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460372164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:34:07,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:34:07,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:34:07,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587404061] [2022-07-19 23:34:07,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:34:07,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:34:07,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:34:07,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:34:07,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:34:07,550 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) [2022-07-19 23:34:09,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:34:11,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:34:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:34:52,148 INFO L93 Difference]: Finished difference Result 17180 states and 25448 transitions. [2022-07-19 23:34:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:34:52,149 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 [2022-07-19 23:34:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:34:52,297 INFO L225 Difference]: With dead ends: 17180 [2022-07-19 23:34:52,298 INFO L226 Difference]: Without dead ends: 12171 [2022-07-19 23:34:52,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:34:52,347 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 6940 mSDsluCounter, 14923 mSDsCounter, 0 mSdLazyCounter, 6347 mSolverCounterSat, 3926 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7242 SdHoareTripleChecker+Valid, 19277 SdHoareTripleChecker+Invalid, 10275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 6347 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:34:52,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7242 Valid, 19277 Invalid, 10275 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3926 Valid, 6347 Invalid, 2 Unknown, 0 Unchecked, 43.3s Time] [2022-07-19 23:34:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12171 states. [2022-07-19 23:34:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12171 to 10219. [2022-07-19 23:34:52,858 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) [2022-07-19 23:34:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 14824 transitions. [2022-07-19 23:34:52,937 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 14824 transitions. Word has length 82 [2022-07-19 23:34:52,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:34:52,939 INFO L495 AbstractCegarLoop]: Abstraction has 10219 states and 14824 transitions. [2022-07-19 23:34:52,941 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) [2022-07-19 23:34:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 14824 transitions. [2022-07-19 23:34:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-19 23:34:52,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:34:52,976 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] [2022-07-19 23:34:52,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:34:52,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:34:52,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:34:52,978 INFO L85 PathProgramCache]: Analyzing trace with hash 561715328, now seen corresponding path program 1 times [2022-07-19 23:34:52,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:34:52,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42381907] [2022-07-19 23:34:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:34:52,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:34:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:34:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:34:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:34:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:34:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:34:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:34:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:34:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:34:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:34:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:34:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:34:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:34:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:34:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 23:34:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:34:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 23:34:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 23:34:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:34:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:34:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:34:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:34:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:34:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:34:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:34:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:34:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:34:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 23:34:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:34:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:34:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-19 23:34:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-19 23:34:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-19 23:34:55,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:34:55,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42381907] [2022-07-19 23:34:55,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42381907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:34:55,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:34:55,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:34:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406276204] [2022-07-19 23:34:55,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:34:55,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:34:55,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:34:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:34:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:34:55,549 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) [2022-07-19 23:34:57,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:34:59,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:11,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:36:07,586 INFO L93 Difference]: Finished difference Result 34121 states and 50587 transitions. [2022-07-19 23:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:36:07,588 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 [2022-07-19 23:36:07,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:36:07,852 INFO L225 Difference]: With dead ends: 34121 [2022-07-19 23:36:07,853 INFO L226 Difference]: Without dead ends: 23924 [2022-07-19 23:36:07,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:36:07,914 INFO L413 NwaCegarLoop]: 5634 mSDtfsCounter, 5176 mSDsluCounter, 10462 mSDsCounter, 0 mSdLazyCounter, 6584 mSolverCounterSat, 1853 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 16096 SdHoareTripleChecker+Invalid, 8439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 6584 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:36:07,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 16096 Invalid, 8439 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1853 Valid, 6584 Invalid, 2 Unknown, 0 Unchecked, 67.8s Time] [2022-07-19 23:36:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23924 states. [2022-07-19 23:36:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23924 to 19769. [2022-07-19 23:36:10,457 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) [2022-07-19 23:36:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19769 states to 19769 states and 28589 transitions. [2022-07-19 23:36:10,615 INFO L78 Accepts]: Start accepts. Automaton has 19769 states and 28589 transitions. Word has length 222 [2022-07-19 23:36:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:36:10,616 INFO L495 AbstractCegarLoop]: Abstraction has 19769 states and 28589 transitions. [2022-07-19 23:36:10,616 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) [2022-07-19 23:36:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 19769 states and 28589 transitions. [2022-07-19 23:36:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-19 23:36:10,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:36:10,666 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:36:10,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:36:10,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:36:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:36:10,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1486322225, now seen corresponding path program 1 times [2022-07-19 23:36:10,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:36:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630465557] [2022-07-19 23:36:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:36:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:36:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:36:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:36:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:36:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:36:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:36:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:36:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:36:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:36:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:36:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 23:36:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 23:36:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:36:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 23:36:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 23:36:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 23:36:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:36:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:36:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 23:36:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:36:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-19 23:36:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:36:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:36:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:36:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:36:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 23:36:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 23:36:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-19 23:36:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-19 23:36:13,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:36:13,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630465557] [2022-07-19 23:36:13,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630465557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:36:13,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:36:13,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:36:13,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303941916] [2022-07-19 23:36:13,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:36:13,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:36:13,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:36:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:36:13,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:36:13,422 INFO L87 Difference]: Start difference. First operand 19769 states and 28589 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-19 23:36:15,472 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 [] [2022-07-19 23:36:17,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:19,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:26,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []