./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:10:46,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:10:46,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:10:46,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:10:46,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:10:46,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:10:46,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:10:46,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:10:46,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:10:46,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:10:46,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:10:46,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:10:46,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:10:46,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:10:46,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:10:46,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:10:46,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:10:46,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:10:46,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:10:46,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:10:46,357 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:10:46,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:10:46,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:10:46,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:10:46,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:10:46,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:10:46,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:10:46,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:10:46,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:10:46,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:10:46,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:10:46,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:10:46,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:10:46,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:10:46,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:10:46,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:10:46,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:10:46,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:10:46,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:10:46,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:10:46,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:10:46,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:10:46,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:10:46,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:10:46,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:10:46,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:10:46,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:10:46,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:10:46,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:10:46,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:10:46,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:10:46,414 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:10:46,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:10:46,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:10:46,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:10:46,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:10:46,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:10:46,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:10:46,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:10:46,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:10:46,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:10:46,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:10:46,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:10:46,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:10:46,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:10:46,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:10:46,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:10:46,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:10:46,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:10:46,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:10:46,419 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:10:46,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:10:46,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:10:46,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b [2022-07-14 00:10:46,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:10:46,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:10:46,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:10:46,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:10:46,639 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:10:46,640 INFO L432 ainManager$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 [2022-07-14 00:10:46,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0befe6f/ad68d141afd34f1683dd1d242677dc8c/FLAG48d91ed2a [2022-07-14 00:10:47,294 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:10:47,295 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 [2022-07-14 00:10:47,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0befe6f/ad68d141afd34f1683dd1d242677dc8c/FLAG48d91ed2a [2022-07-14 00:10:47,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0befe6f/ad68d141afd34f1683dd1d242677dc8c [2022-07-14 00:10:47,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:10:47,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:10:47,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:10:47,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:10:47,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:10:47,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:10:47" (1/1) ... [2022-07-14 00:10:47,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7f9836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:47, skipping insertion in model container [2022-07-14 00:10:47,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:10:47" (1/1) ... [2022-07-14 00:10:47,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:10:47,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:10:48,666 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] [2022-07-14 00:10:49,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:10:49,741 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:10:49,848 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] [2022-07-14 00:10:50,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:10:50,248 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:10:50,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50 WrapperNode [2022-07-14 00:10:50,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:10:50,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:10:50,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:10:50,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:10:50,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,458 INFO L137 Inliner]: procedures = 372, calls = 2044, calls flagged for inlining = 175, calls inlined = 127, statements flattened = 5007 [2022-07-14 00:10:50,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:10:50,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:10:50,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:10:50,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:10:50,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:10:50,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:10:50,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:10:50,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:10:50,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (1/1) ... [2022-07-14 00:10:50,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:10:50,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:10:50,700 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) [2022-07-14 00:10:50,733 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 [2022-07-14 00:10:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 00:10:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 00:10:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 00:10:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 00:10:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:10:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:10:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 00:10:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 00:10:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-14 00:10:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-14 00:10:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-14 00:10:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-14 00:10:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:10:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:10:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:10:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:10:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-14 00:10:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-14 00:10:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 00:10:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 00:10:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 00:10:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 00:10:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 00:10:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 00:10:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:10:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:10:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-14 00:10:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-14 00:10:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-14 00:10:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-14 00:10:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:10:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:10:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-14 00:10:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-14 00:10:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-14 00:10:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-14 00:10:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-14 00:10:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-14 00:10:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-14 00:10:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-14 00:10:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 00:10:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 00:10:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:10:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:10:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-14 00:10:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-14 00:10:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 00:10:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 00:10:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:10:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:10:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-14 00:10:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-14 00:10:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:10:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:10:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-14 00:10:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-14 00:10:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:10:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:10:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 00:10:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 00:10:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-14 00:10:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-14 00:10:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 00:10:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 00:10:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:10:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:10:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-14 00:10:50,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-14 00:10:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-14 00:10:50,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-14 00:10:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:10:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-14 00:10:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-14 00:10:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:10:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:10:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 00:10:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 00:10:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 00:10:50,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 00:10:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:10:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:10:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:10:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-14 00:10:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-14 00:10:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 00:10:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 00:10:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 00:10:50,764 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 00:10:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:10:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:10:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:10:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-14 00:10:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-14 00:10:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-14 00:10:50,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-14 00:10:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-14 00:10:50,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-14 00:10:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2022-07-14 00:10:50,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2022-07-14 00:10:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-14 00:10:50,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-14 00:10:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:10:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:10:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-14 00:10:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-14 00:10:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-14 00:10:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-14 00:10:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-14 00:10:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-14 00:10:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 00:10:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 00:10:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:10:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:10:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 00:10:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 00:10:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-14 00:10:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-14 00:10:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-14 00:10:50,770 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-14 00:10:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 00:10:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 00:10:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 00:10:50,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 00:10:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 00:10:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 00:10:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:10:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:10:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-14 00:10:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-14 00:10:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-14 00:10:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 00:10:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-14 00:10:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:10:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:10:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-14 00:10:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:10:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:10:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-14 00:10:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 00:10:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-14 00:10:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:10:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:10:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-14 00:10:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-14 00:10:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-14 00:10:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-14 00:10:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-14 00:10:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-14 00:10:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-14 00:10:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-14 00:10:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-14 00:10:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-14 00:10:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-14 00:10:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-14 00:10:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-14 00:10:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-14 00:10:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-14 00:10:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-14 00:10:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-14 00:10:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-14 00:10:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:10:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-14 00:10:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-14 00:10:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:10:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:10:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2022-07-14 00:10:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2022-07-14 00:10:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:10:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:10:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:10:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-14 00:10:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-14 00:10:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:10:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:10:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 00:10:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 00:10:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-14 00:10:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-14 00:10:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 00:10:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 00:10:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-14 00:10:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-14 00:10:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 00:10:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 00:10:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 00:10:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 00:10:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-14 00:10:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-14 00:10:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-14 00:10:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-14 00:10:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-14 00:10:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-14 00:10:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-14 00:10:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-14 00:10:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:10:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:10:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-14 00:10:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-14 00:10:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:10:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:10:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-14 00:10:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-14 00:10:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-14 00:10:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-14 00:10:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 00:10:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 00:10:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-14 00:10:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-14 00:10:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-14 00:10:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-14 00:10:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:10:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:10:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:10:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-14 00:10:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-14 00:10:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:10:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:10:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:10:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-14 00:10:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-14 00:10:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:10:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:10:51,447 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:10:51,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:10:51,626 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:11:24,875 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:11:24,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:11:24,897 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-07-14 00:11:24,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:11:24 BoogieIcfgContainer [2022-07-14 00:11:24,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:11:24,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:11:24,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:11:24,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:11:24,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:10:47" (1/3) ... [2022-07-14 00:11:24,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b8c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:11:24, skipping insertion in model container [2022-07-14 00:11:24,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:10:50" (2/3) ... [2022-07-14 00:11:24,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b8c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:11:24, skipping insertion in model container [2022-07-14 00:11:24,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:11:24" (3/3) ... [2022-07-14 00:11:24,910 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 [2022-07-14 00:11:24,922 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:11:24,922 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:11:25,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:11:25,021 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@228c204e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4ce1c215 [2022-07-14 00:11:25,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:11:25,033 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) [2022-07-14 00:11:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 00:11:25,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:11:25,053 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] [2022-07-14 00:11:25,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:11:25,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:11:25,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1143181233, now seen corresponding path program 1 times [2022-07-14 00:11:25,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:11:25,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372651041] [2022-07-14 00:11:25,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:11:25,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:11:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:11:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:11:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:11:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:11:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:11:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:11:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:11:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:11:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:11:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:11:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-14 00:11:25,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:11:25,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372651041] [2022-07-14 00:11:25,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372651041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:11:25,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:11:25,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:11:25,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055865864] [2022-07-14 00:11:25,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:11:25,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:11:25,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:11:26,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:11:26,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:11:26,016 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) [2022-07-14 00:11:28,074 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 [] [2022-07-14 00:11:30,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:11:32,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:11:37,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:12:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:12:00,739 INFO L93 Difference]: Finished difference Result 8698 states and 14826 transitions. [2022-07-14 00:12:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:12:00,741 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 [2022-07-14 00:12:00,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:12:00,846 INFO L225 Difference]: With dead ends: 8698 [2022-07-14 00:12:00,847 INFO L226 Difference]: Without dead ends: 6105 [2022-07-14 00:12:00,909 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 [2022-07-14 00:12:00,913 INFO L413 NwaCegarLoop]: 4170 mSDtfsCounter, 6943 mSDsluCounter, 7191 mSDsCounter, 0 mSdLazyCounter, 3725 mSolverCounterSat, 4054 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7262 SdHoareTripleChecker+Valid, 11361 SdHoareTripleChecker+Invalid, 7782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4054 IncrementalHoareTripleChecker+Valid, 3725 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:12:00,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7262 Valid, 11361 Invalid, 7782 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4054 Valid, 3725 Invalid, 3 Unknown, 0 Unchecked, 33.5s Time] [2022-07-14 00:12:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2022-07-14 00:12:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 5025. [2022-07-14 00:12:01,309 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) [2022-07-14 00:12:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 7169 transitions. [2022-07-14 00:12:01,372 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 7169 transitions. Word has length 72 [2022-07-14 00:12:01,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:12:01,373 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 7169 transitions. [2022-07-14 00:12:01,373 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) [2022-07-14 00:12:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 7169 transitions. [2022-07-14 00:12:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-14 00:12:01,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:12:01,383 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] [2022-07-14 00:12:01,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:12:01,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:12:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:12:01,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2042730437, now seen corresponding path program 1 times [2022-07-14 00:12:01,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:12:01,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116935545] [2022-07-14 00:12:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:12:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:12:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:12:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:12:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:12:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:12:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:12:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:12:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:12:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:12:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:12:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:12:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-14 00:12:02,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:12:02,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116935545] [2022-07-14 00:12:02,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116935545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:12:02,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:12:02,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:12:02,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587862069] [2022-07-14 00:12:02,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:12:02,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:12:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:12:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:12:02,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:12:02,510 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) [2022-07-14 00:12:04,568 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 [] [2022-07-14 00:12:06,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:12:14,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:12:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:12:50,643 INFO L93 Difference]: Finished difference Result 17180 states and 25448 transitions. [2022-07-14 00:12:50,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:12:50,644 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 [2022-07-14 00:12:50,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:12:50,817 INFO L225 Difference]: With dead ends: 17180 [2022-07-14 00:12:50,817 INFO L226 Difference]: Without dead ends: 12171 [2022-07-14 00:12:50,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:12:50,874 INFO L413 NwaCegarLoop]: 4338 mSDtfsCounter, 6940 mSDsluCounter, 14805 mSDsCounter, 0 mSdLazyCounter, 6358 mSolverCounterSat, 3923 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7255 SdHoareTripleChecker+Valid, 19143 SdHoareTripleChecker+Invalid, 10283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3923 IncrementalHoareTripleChecker+Valid, 6358 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:12:50,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 19143 Invalid, 10283 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3923 Valid, 6358 Invalid, 2 Unknown, 0 Unchecked, 46.7s Time] [2022-07-14 00:12:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12171 states. [2022-07-14 00:12:51,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12171 to 10219. [2022-07-14 00:12:51,337 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) [2022-07-14 00:12:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 14824 transitions. [2022-07-14 00:12:51,403 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 14824 transitions. Word has length 82 [2022-07-14 00:12:51,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:12:51,405 INFO L495 AbstractCegarLoop]: Abstraction has 10219 states and 14824 transitions. [2022-07-14 00:12:51,406 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) [2022-07-14 00:12:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 14824 transitions. [2022-07-14 00:12:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-14 00:12:51,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:12:51,437 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] [2022-07-14 00:12:51,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:12:51,437 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:12:51,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:12:51,438 INFO L85 PathProgramCache]: Analyzing trace with hash 561715328, now seen corresponding path program 1 times [2022-07-14 00:12:51,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:12:51,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654139610] [2022-07-14 00:12:51,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:12:51,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:12:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:12:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:12:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:12:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:12:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:12:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:12:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:12:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:12:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:12:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 00:12:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 00:12:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-14 00:12:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:12:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 00:12:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:12:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 00:12:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:12:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:12:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:12:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:12:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:12:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 00:12:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:12:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:12:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:12:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:12:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 00:12:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:12:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:12:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 00:12:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:12:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:12:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-14 00:12:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:12:53,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654139610] [2022-07-14 00:12:53,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654139610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:12:53,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:12:53,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:12:53,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228291366] [2022-07-14 00:12:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:12:53,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:12:53,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:12:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:12:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:12:53,888 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) [2022-07-14 00:12:55,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:12:58,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:13:12,883 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 [] [2022-07-14 00:14:10,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:14:10,899 INFO L93 Difference]: Finished difference Result 34121 states and 50587 transitions. [2022-07-14 00:14:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:14:10,900 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 [2022-07-14 00:14:10,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:14:11,290 INFO L225 Difference]: With dead ends: 34121 [2022-07-14 00:14:11,290 INFO L226 Difference]: Without dead ends: 23924 [2022-07-14 00:14:11,354 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 [2022-07-14 00:14:11,359 INFO L413 NwaCegarLoop]: 5668 mSDtfsCounter, 5172 mSDsluCounter, 10518 mSDsCounter, 0 mSdLazyCounter, 6616 mSolverCounterSat, 1846 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5549 SdHoareTripleChecker+Valid, 16186 SdHoareTripleChecker+Invalid, 8465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 6616 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:14:11,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5549 Valid, 16186 Invalid, 8465 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1846 Valid, 6616 Invalid, 3 Unknown, 0 Unchecked, 72.5s Time] [2022-07-14 00:14:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23924 states. [2022-07-14 00:14:13,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23924 to 19769. [2022-07-14 00:14:13,624 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) [2022-07-14 00:14:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19769 states to 19769 states and 28589 transitions. [2022-07-14 00:14:13,786 INFO L78 Accepts]: Start accepts. Automaton has 19769 states and 28589 transitions. Word has length 222 [2022-07-14 00:14:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:14:13,787 INFO L495 AbstractCegarLoop]: Abstraction has 19769 states and 28589 transitions. [2022-07-14 00:14:13,787 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) [2022-07-14 00:14:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19769 states and 28589 transitions. [2022-07-14 00:14:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-14 00:14:13,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:14:13,842 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:14:13,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:14:13,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:14:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:14:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1250551486, now seen corresponding path program 1 times [2022-07-14 00:14:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:14:13,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059722046] [2022-07-14 00:14:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:14:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:14:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:14:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:14:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:14:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:14:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:14:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:14:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:14:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:14:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:14:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:14:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 00:14:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 00:14:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 00:14:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:14:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-14 00:14:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-14 00:14:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:14:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 00:14:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 00:14:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:14:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 00:14:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 00:14:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:14:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:14:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:14:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:14:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:14:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 00:14:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:14:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:14:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:14:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 00:14:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:14:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 00:14:16,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:14:16,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059722046] [2022-07-14 00:14:16,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059722046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:14:16,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:14:16,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:14:16,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997519034] [2022-07-14 00:14:16,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:14:16,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:14:16,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:14:16,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:14:16,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:14:16,366 INFO L87 Difference]: Start difference. First operand 19769 states and 28589 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 00:14:18,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:14:20,652 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 [] [2022-07-14 00:14:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:14:58,450 INFO L93 Difference]: Finished difference Result 37590 states and 55205 transitions. [2022-07-14 00:14:58,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 00:14:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 245 [2022-07-14 00:14:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:14:58,654 INFO L225 Difference]: With dead ends: 37590 [2022-07-14 00:14:58,655 INFO L226 Difference]: Without dead ends: 17842 [2022-07-14 00:14:58,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:14:58,789 INFO L413 NwaCegarLoop]: 3548 mSDtfsCounter, 1756 mSDsluCounter, 7747 mSDsCounter, 0 mSdLazyCounter, 4132 mSolverCounterSat, 1740 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 11295 SdHoareTripleChecker+Invalid, 5874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1740 IncrementalHoareTripleChecker+Valid, 4132 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:14:58,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 11295 Invalid, 5874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1740 Valid, 4132 Invalid, 2 Unknown, 0 Unchecked, 38.1s Time] [2022-07-14 00:14:58,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17842 states.