./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.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 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:54:04,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:54:04,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:54:04,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:54:04,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:54:04,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:54:04,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:54:04,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:54:04,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:54:04,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:54:04,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:54:04,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:54:04,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:54:04,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:54:04,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:54:04,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:54:04,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:54:04,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:54:04,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:54:04,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:54:04,295 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:54:04,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:54:04,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:54:04,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:54:04,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:54:04,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:54:04,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:54:04,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:54:04,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:54:04,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:54:04,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:54:04,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:54:04,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:54:04,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:54:04,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:54:04,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:54:04,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:54:04,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:54:04,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:54:04,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:54:04,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:54:04,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:54:04,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:54:04,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:54:04,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:54:04,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:54:04,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:54:04,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:54:04,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:54:04,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:54:04,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:54:04,351 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:54:04,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:54:04,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:54:04,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:54:04,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:54:04,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:54:04,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:54:04,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:54:04,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:54:04,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:54:04,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:54:04,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:54:04,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:54:04,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:54:04,356 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:54:04,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:54:04,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:54:04,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-07-23 01:54:04,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:54:04,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:54:04,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:54:04,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:54:04,653 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:54:04,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-23 01:54:04,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3fb9d1/1a5cbf9503064222a4091d1d42d142fc/FLAG81a8c17c9 [2022-07-23 01:54:05,597 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:54:05,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-23 01:54:05,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3fb9d1/1a5cbf9503064222a4091d1d42d142fc/FLAG81a8c17c9 [2022-07-23 01:54:06,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff3fb9d1/1a5cbf9503064222a4091d1d42d142fc [2022-07-23 01:54:06,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:54:06,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:54:06,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:54:06,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:54:06,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:54:06,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:54:06" (1/1) ... [2022-07-23 01:54:06,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cb7100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:06, skipping insertion in model container [2022-07-23 01:54:06,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:54:06" (1/1) ... [2022-07-23 01:54:06,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:54:06,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:54:08,570 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-07-23 01:54:08,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:54:08,678 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:54:09,104 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-07-23 01:54:09,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:54:09,210 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:54:09,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09 WrapperNode [2022-07-23 01:54:09,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:54:09,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:54:09,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:54:09,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:54:09,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,581 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7633 [2022-07-23 01:54:09,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:54:09,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:54:09,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:54:09,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:54:09,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:54:09,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:54:09,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:54:09,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:54:09,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (1/1) ... [2022-07-23 01:54:09,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:54:09,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:54:10,013 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) [2022-07-23 01:54:10,035 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 [2022-07-23 01:54:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-23 01:54:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-23 01:54:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-07-23 01:54:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-07-23 01:54:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-07-23 01:54:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-07-23 01:54:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-07-23 01:54:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-07-23 01:54:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:54:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:54:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:54:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-23 01:54:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-23 01:54:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:54:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:54:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-07-23 01:54:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-07-23 01:54:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-07-23 01:54:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-07-23 01:54:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-07-23 01:54:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-07-23 01:54:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:54:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:54:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-07-23 01:54:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-07-23 01:54:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:54:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:54:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-23 01:54:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-23 01:54:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-07-23 01:54:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-07-23 01:54:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-23 01:54:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-23 01:54:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-07-23 01:54:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-07-23 01:54:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-23 01:54:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-23 01:54:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 01:54:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 01:54:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-23 01:54:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-23 01:54:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:54:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:54:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-07-23 01:54:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-07-23 01:54:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-07-23 01:54:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-07-23 01:54:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-07-23 01:54:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-07-23 01:54:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:54:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:54:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:54:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:54:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-23 01:54:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-23 01:54:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-23 01:54:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-23 01:54:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-07-23 01:54:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-07-23 01:54:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-07-23 01:54:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-07-23 01:54:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-07-23 01:54:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-07-23 01:54:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:54:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:54:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-07-23 01:54:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-07-23 01:54:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-07-23 01:54:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-07-23 01:54:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-07-23 01:54:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-07-23 01:54:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-07-23 01:54:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-07-23 01:54:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:54:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-23 01:54:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-23 01:54:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:54:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:54:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-07-23 01:54:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-07-23 01:54:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-07-23 01:54:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-07-23 01:54:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-23 01:54:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-23 01:54:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:54:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 01:54:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 01:54:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-07-23 01:54:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-07-23 01:54:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-07-23 01:54:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-07-23 01:54:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-23 01:54:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-23 01:54:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-07-23 01:54:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-07-23 01:54:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:54:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:54:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:54:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:54:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:54:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:54:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-07-23 01:54:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-07-23 01:54:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-07-23 01:54:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-07-23 01:54:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-07-23 01:54:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-07-23 01:54:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-23 01:54:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-23 01:54:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:54:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 01:54:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 01:54:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:54:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-07-23 01:54:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-07-23 01:54:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-07-23 01:54:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-07-23 01:54:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:54:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:54:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:54:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:54:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-07-23 01:54:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-07-23 01:54:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:54:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-07-23 01:54:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-23 01:54:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-07-23 01:54:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-07-23 01:54:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-23 01:54:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-23 01:54:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-07-23 01:54:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 01:54:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-23 01:54:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:54:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-07-23 01:54:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-07-23 01:54:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-07-23 01:54:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-07-23 01:54:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 01:54:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-07-23 01:54:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-07-23 01:54:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-07-23 01:54:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:54:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-07-23 01:54:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-23 01:54:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-23 01:54:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-07-23 01:54:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-07-23 01:54:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:54:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:54:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-07-23 01:54:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-07-23 01:54:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:54:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:54:11,008 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:54:11,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:54:11,468 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:56:04,657 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:56:04,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:56:04,676 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:56:04,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:56:04 BoogieIcfgContainer [2022-07-23 01:56:04,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:56:04,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:56:04,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:56:04,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:56:04,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:54:06" (1/3) ... [2022-07-23 01:56:04,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0afb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:56:04, skipping insertion in model container [2022-07-23 01:56:04,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:54:09" (2/3) ... [2022-07-23 01:56:04,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0afb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:56:04, skipping insertion in model container [2022-07-23 01:56:04,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:56:04" (3/3) ... [2022-07-23 01:56:04,689 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-23 01:56:04,703 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:56:04,703 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:56:04,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:56:04,814 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@6701a6b5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22fa0d85 [2022-07-23 01:56:04,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:56:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 2747 states, 1964 states have (on average 1.435336048879837) internal successors, (2819), 2035 states have internal predecessors, (2819), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2022-07-23 01:56:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-23 01:56:04,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:56:04,860 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:56:04,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:56:04,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:56:04,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1194533548, now seen corresponding path program 1 times [2022-07-23 01:56:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:56:04,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353746118] [2022-07-23 01:56:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:56:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:56:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:56:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:56:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 01:56:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:56:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 01:56:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-23 01:56:06,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:56:06,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353746118] [2022-07-23 01:56:06,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353746118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:56:06,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:56:06,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:56:06,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022990641] [2022-07-23 01:56:06,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:56:06,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:56:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:56:06,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:56:06,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:56:06,304 INFO L87 Difference]: Start difference. First operand has 2747 states, 1964 states have (on average 1.435336048879837) internal successors, (2819), 2035 states have internal predecessors, (2819), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:56:08,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:56:19,404 INFO L93 Difference]: Finished difference Result 5719 states and 8712 transitions. [2022-07-23 01:56:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:56:19,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2022-07-23 01:56:19,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:56:19,462 INFO L225 Difference]: With dead ends: 5719 [2022-07-23 01:56:19,462 INFO L226 Difference]: Without dead ends: 2956 [2022-07-23 01:56:19,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:56:19,492 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 2741 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 2655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 3969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2655 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:56:19,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 5296 Invalid, 3969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2655 Valid, 1313 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-07-23 01:56:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2022-07-23 01:56:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2726. [2022-07-23 01:56:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 1953 states have (on average 1.3543266769073221) internal successors, (2645), 2015 states have internal predecessors, (2645), 638 states have call successors, (638), 135 states have call predecessors, (638), 134 states have return successors, (637), 626 states have call predecessors, (637), 637 states have call successors, (637) [2022-07-23 01:56:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3920 transitions. [2022-07-23 01:56:19,761 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3920 transitions. Word has length 92 [2022-07-23 01:56:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:56:19,763 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3920 transitions. [2022-07-23 01:56:19,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:56:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3920 transitions. [2022-07-23 01:56:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-23 01:56:19,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:56:19,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 01:56:19,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:56:19,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:56:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:56:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1891890640, now seen corresponding path program 1 times [2022-07-23 01:56:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:56:19,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447408121] [2022-07-23 01:56:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:56:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:56:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:56:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:56:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 01:56:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:56:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 01:56:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-23 01:56:20,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:56:20,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447408121] [2022-07-23 01:56:20,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447408121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:56:20,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:56:20,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:56:20,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784694475] [2022-07-23 01:56:20,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:56:20,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:56:20,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:56:20,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:56:20,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:56:20,741 INFO L87 Difference]: Start difference. First operand 2726 states and 3920 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:56:22,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:25,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:57:00,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:57:00,148 INFO L93 Difference]: Finished difference Result 8192 states and 11829 transitions. [2022-07-23 01:57:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:57:00,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2022-07-23 01:57:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:57:00,192 INFO L225 Difference]: With dead ends: 8192 [2022-07-23 01:57:00,192 INFO L226 Difference]: Without dead ends: 5473 [2022-07-23 01:57:00,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:57:00,209 INFO L413 NwaCegarLoop]: 3867 mSDtfsCounter, 6271 mSDsluCounter, 6970 mSDsCounter, 0 mSdLazyCounter, 5957 mSolverCounterSat, 3659 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6626 SdHoareTripleChecker+Valid, 10837 SdHoareTripleChecker+Invalid, 9618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3659 IncrementalHoareTripleChecker+Valid, 5957 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:57:00,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6626 Valid, 10837 Invalid, 9618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3659 Valid, 5957 Invalid, 2 Unknown, 0 Unchecked, 38.4s Time] [2022-07-23 01:57:00,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-07-23 01:57:00,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5012. [2022-07-23 01:57:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 3613 states have (on average 1.3528923332410738) internal successors, (4888), 3723 states have internal predecessors, (4888), 1147 states have call successors, (1147), 252 states have call predecessors, (1147), 251 states have return successors, (1146), 1129 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 01:57:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7181 transitions. [2022-07-23 01:57:00,479 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7181 transitions. Word has length 92 [2022-07-23 01:57:00,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:57:00,480 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7181 transitions. [2022-07-23 01:57:00,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:57:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7181 transitions. [2022-07-23 01:57:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 01:57:00,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:57:00,488 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:57:00,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:57:00,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:57:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:57:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1226914291, now seen corresponding path program 1 times [2022-07-23 01:57:00,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:57:00,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147416048] [2022-07-23 01:57:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:57:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:57:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:57:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:57:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:57:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:57:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 01:57:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:57:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 01:57:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 01:57:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 01:57:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 01:57:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 01:57:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 01:57:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 01:57:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-23 01:57:01,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:57:01,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147416048] [2022-07-23 01:57:01,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147416048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:57:01,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:57:01,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:57:01,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118471169] [2022-07-23 01:57:01,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:57:01,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:57:01,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:57:01,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:57:01,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:57:01,425 INFO L87 Difference]: Start difference. First operand 5012 states and 7181 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 01:57:03,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:57:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:57:36,753 INFO L93 Difference]: Finished difference Result 13173 states and 18819 transitions. [2022-07-23 01:57:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:57:36,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 161 [2022-07-23 01:57:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:57:36,799 INFO L225 Difference]: With dead ends: 13173 [2022-07-23 01:57:36,800 INFO L226 Difference]: Without dead ends: 8168 [2022-07-23 01:57:36,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:57:36,825 INFO L413 NwaCegarLoop]: 4675 mSDtfsCounter, 4671 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 5024 mSolverCounterSat, 2883 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4955 SdHoareTripleChecker+Valid, 10888 SdHoareTripleChecker+Invalid, 7908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 5024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:57:36,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4955 Valid, 10888 Invalid, 7908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2883 Valid, 5024 Invalid, 1 Unknown, 0 Unchecked, 34.4s Time] [2022-07-23 01:57:36,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2022-07-23 01:57:37,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7557. [2022-07-23 01:57:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7557 states, 5437 states have (on average 1.3435718226963398) internal successors, (7305), 5594 states have internal predecessors, (7305), 1691 states have call successors, (1691), 429 states have call predecessors, (1691), 428 states have return successors, (1690), 1666 states have call predecessors, (1690), 1690 states have call successors, (1690) [2022-07-23 01:57:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10686 transitions. [2022-07-23 01:57:37,151 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10686 transitions. Word has length 161 [2022-07-23 01:57:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:57:37,153 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10686 transitions. [2022-07-23 01:57:37,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 01:57:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10686 transitions. [2022-07-23 01:57:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-23 01:57:37,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:57:37,167 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:57:37,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:57:37,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:57:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:57:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash -580407024, now seen corresponding path program 1 times [2022-07-23 01:57:37,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:57:37,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285297925] [2022-07-23 01:57:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:57:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:57:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:57:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:57:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 01:57:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 01:57:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 01:57:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 01:57:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 01:57:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:57:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-23 01:57:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:57:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 01:57:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 01:57:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:57:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 01:57:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:57:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 01:57:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 01:57:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 01:57:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 01:57:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 01:57:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:57:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 01:57:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:57:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 01:57:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:57:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-23 01:57:38,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:57:38,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285297925] [2022-07-23 01:57:38,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285297925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:57:38,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:57:38,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:57:38,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613691477] [2022-07-23 01:57:38,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:57:38,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:57:38,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:57:38,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:57:38,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:57:38,325 INFO L87 Difference]: Start difference. First operand 7557 states and 10686 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 01:57:40,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:57:42,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:57:44,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []