./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-f4b24e3 [2022-07-14 02:18:06,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:18:06,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:18:06,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:18:06,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:18:06,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:18:06,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:18:06,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:18:06,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:18:06,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:18:06,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:18:06,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:18:06,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:18:06,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:18:06,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:18:06,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:18:06,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:18:06,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:18:06,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:18:06,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:18:06,932 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:18:06,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:18:06,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:18:06,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:18:06,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:18:06,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:18:06,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:18:06,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:18:06,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:18:06,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:18:06,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:18:06,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:18:06,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:18:06,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:18:06,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:18:06,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:18:06,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:18:06,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:18:06,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:18:06,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:18:06,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:18:06,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:18:06,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:18:06,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:18:06,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:18:06,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:18:06,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:18:06,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:18:06,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:18:06,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:18:06,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:18:06,982 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:18:06,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:18:06,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:18:06,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:18:06,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:18:06,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:18:06,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:18:06,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:18:06,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:18:06,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:18:06,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:18:06,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:18:06,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-07-14 02:18:07,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:18:07,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:18:07,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:18:07,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:18:07,177 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:18:07,178 INFO L432 ainManager$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 [2022-07-14 02:18:07,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07935c45/994af7f21afb4c0191ac389c314c6887/FLAG7cbc865ab [2022-07-14 02:18:07,926 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:18:07,927 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 [2022-07-14 02:18:07,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07935c45/994af7f21afb4c0191ac389c314c6887/FLAG7cbc865ab [2022-07-14 02:18:08,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07935c45/994af7f21afb4c0191ac389c314c6887 [2022-07-14 02:18:08,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:18:08,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:18:08,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:18:08,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:18:08,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:18:08,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:18:08" (1/1) ... [2022-07-14 02:18:08,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa835b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:08, skipping insertion in model container [2022-07-14 02:18:08,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:18:08" (1/1) ... [2022-07-14 02:18:08,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:18:08,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:18:10,083 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] [2022-07-14 02:18:10,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:18:10,157 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:18:10,557 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] [2022-07-14 02:18:10,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:18:10,631 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:18:10,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10 WrapperNode [2022-07-14 02:18:10,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:18:10,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:18:10,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:18:10,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:18:10,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:10,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:10,903 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7633 [2022-07-14 02:18:10,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:18:10,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:18:10,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:18:10,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:18:10,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:10,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:10,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:10,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:11,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:11,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:11,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:11,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:18:11,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:18:11,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:18:11,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:18:11,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (1/1) ... [2022-07-14 02:18:11,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:18:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:18:11,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:18:11,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:18:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-14 02:18:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-14 02:18:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-07-14 02:18:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-07-14 02:18:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-07-14 02:18:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-07-14 02:18:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-07-14 02:18:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-07-14 02:18:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:18:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:18:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:18:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-14 02:18:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-14 02:18:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:18:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:18:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-07-14 02:18:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-07-14 02:18:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-07-14 02:18:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-07-14 02:18:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-07-14 02:18:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-07-14 02:18:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:18:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:18:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-07-14 02:18:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-07-14 02:18:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:18:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:18:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-14 02:18:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-14 02:18:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-07-14 02:18:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-07-14 02:18:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-14 02:18:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-14 02:18:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-07-14 02:18:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-07-14 02:18:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-14 02:18:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-14 02:18:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 02:18:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 02:18:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 02:18:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 02:18:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:18:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:18:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-07-14 02:18:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-07-14 02:18:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-07-14 02:18:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-07-14 02:18:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-07-14 02:18:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-07-14 02:18:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:18:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:18:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:18:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:18:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-14 02:18:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-14 02:18:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-14 02:18:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-14 02:18:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-07-14 02:18:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-07-14 02:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-07-14 02:18:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-07-14 02:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-07-14 02:18:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-07-14 02:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:18:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-07-14 02:18:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-07-14 02:18:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-07-14 02:18:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-14 02:18:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-14 02:18:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:18:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-07-14 02:18:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 02:18:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 02:18:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-07-14 02:18:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-07-14 02:18:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-07-14 02:18:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-07-14 02:18:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-07-14 02:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-07-14 02:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 02:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 02:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-07-14 02:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-07-14 02:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:18:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:18:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-14 02:18:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-14 02:18:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:18:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-07-14 02:18:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-07-14 02:18:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-07-14 02:18:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-07-14 02:18:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:18:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:18:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 02:18:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 02:18:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-07-14 02:18:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-07-14 02:18:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 02:18:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 02:18:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:18:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-07-14 02:18:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-07-14 02:18:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-07-14 02:18:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-07-14 02:18:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:18:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:18:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-07-14 02:18:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-07-14 02:18:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:18:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-07-14 02:18:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-07-14 02:18:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-07-14 02:18:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-07-14 02:18:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 02:18:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 02:18:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-07-14 02:18:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-07-14 02:18:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-07-14 02:18:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-07-14 02:18:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-07-14 02:18:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-07-14 02:18:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-07-14 02:18:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-07-14 02:18:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-07-14 02:18:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-07-14 02:18:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-07-14 02:18:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-07-14 02:18:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-14 02:18:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-14 02:18:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-07-14 02:18:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-07-14 02:18:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-07-14 02:18:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-07-14 02:18:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 02:18:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 02:18:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 02:18:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 02:18:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-07-14 02:18:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-07-14 02:18:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-07-14 02:18:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-07-14 02:18:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-07-14 02:18:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-07-14 02:18:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-14 02:18:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-14 02:18:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-07-14 02:18:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-07-14 02:18:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-07-14 02:18:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-07-14 02:18:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-14 02:18:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-14 02:18:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-07-14 02:18:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-07-14 02:18:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-07-14 02:18:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-07-14 02:18:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-07-14 02:18:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-07-14 02:18:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-14 02:18:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-14 02:18:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:18:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:18:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 02:18:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 02:18:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-14 02:18:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-14 02:18:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-07-14 02:18:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-07-14 02:18:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 02:18:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 02:18:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-07-14 02:18:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-07-14 02:18:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-07-14 02:18:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-07-14 02:18:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 02:18:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 02:18:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:18:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:18:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:18:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:18:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:18:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 02:18:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 02:18:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 02:18:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 02:18:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-07-14 02:18:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-07-14 02:18:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:18:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:18:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-07-14 02:18:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-07-14 02:18:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 02:18:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 02:18:12,319 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:18:12,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:18:12,752 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:20:03,874 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:20:03,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:20:03,897 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 02:20:03,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:20:03 BoogieIcfgContainer [2022-07-14 02:20:03,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:20:03,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:20:03,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:20:03,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:20:03,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:18:08" (1/3) ... [2022-07-14 02:20:03,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79956604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:20:03, skipping insertion in model container [2022-07-14 02:20:03,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:18:10" (2/3) ... [2022-07-14 02:20:03,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79956604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:20:03, skipping insertion in model container [2022-07-14 02:20:03,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:20:03" (3/3) ... [2022-07-14 02:20:03,910 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-14 02:20:03,920 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:20:03,920 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:20:04,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:20:04,018 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@239a26f0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3d61744b [2022-07-14 02:20:04,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:20:04,029 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) [2022-07-14 02:20:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-14 02:20:04,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:20:04,054 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] [2022-07-14 02:20:04,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:20:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:20:04,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1194533548, now seen corresponding path program 1 times [2022-07-14 02:20:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:20:04,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490586276] [2022-07-14 02:20:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:20:04,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:20:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:20:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:20:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 02:20:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:20:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 02:20:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:20:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-14 02:20:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-14 02:20:05,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:20:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490586276] [2022-07-14 02:20:05,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490586276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:20:05,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:20:05,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:20:05,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270320883] [2022-07-14 02:20:05,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:20:05,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:20:05,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:20:05,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:20:05,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:20:05,129 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) [2022-07-14 02:20:07,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:20:16,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:20:16,607 INFO L93 Difference]: Finished difference Result 5719 states and 8712 transitions. [2022-07-14 02:20:16,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 02:20:16,619 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 [2022-07-14 02:20:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:20:16,656 INFO L225 Difference]: With dead ends: 5719 [2022-07-14 02:20:16,656 INFO L226 Difference]: Without dead ends: 2956 [2022-07-14 02:20:16,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:20:16,677 INFO L413 NwaCegarLoop]: 3560 mSDtfsCounter, 2741 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 2656 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 5298 SdHoareTripleChecker+Invalid, 3968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2656 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:20:16,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 5298 Invalid, 3968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2656 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-07-14 02:20:16,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2022-07-14 02:20:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2726. [2022-07-14 02:20:16,838 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) [2022-07-14 02:20:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3920 transitions. [2022-07-14 02:20:16,858 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3920 transitions. Word has length 92 [2022-07-14 02:20:16,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:20:16,862 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3920 transitions. [2022-07-14 02:20:16,862 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) [2022-07-14 02:20:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3920 transitions. [2022-07-14 02:20:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-14 02:20:16,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:20:16,869 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] [2022-07-14 02:20:16,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:20:16,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:20:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:20:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1891890640, now seen corresponding path program 1 times [2022-07-14 02:20:16,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:20:16,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431013209] [2022-07-14 02:20:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:20:16,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:20:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:20:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:20:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 02:20:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:20:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 02:20:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 02:20:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-14 02:20:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:20:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:20:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-14 02:20:17,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:20:17,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431013209] [2022-07-14 02:20:17,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431013209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:20:17,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:20:17,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:20:17,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542669403] [2022-07-14 02:20:17,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:20:17,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:20:17,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:20:17,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:20:17,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:20:17,583 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) [2022-07-14 02:20:19,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:20:22,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:21:00,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:21:00,300 INFO L93 Difference]: Finished difference Result 8192 states and 11829 transitions. [2022-07-14 02:21:00,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:21:00,301 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 [2022-07-14 02:21:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:21:00,334 INFO L225 Difference]: With dead ends: 8192 [2022-07-14 02:21:00,334 INFO L226 Difference]: Without dead ends: 5473 [2022-07-14 02:21:00,349 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 [2022-07-14 02:21:00,350 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 6271 mSDsluCounter, 6970 mSDsCounter, 0 mSdLazyCounter, 5965 mSolverCounterSat, 3659 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6626 SdHoareTripleChecker+Valid, 10838 SdHoareTripleChecker+Invalid, 9626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3659 IncrementalHoareTripleChecker+Valid, 5965 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:21:00,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6626 Valid, 10838 Invalid, 9626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3659 Valid, 5965 Invalid, 2 Unknown, 0 Unchecked, 41.6s Time] [2022-07-14 02:21:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-07-14 02:21:00,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5012. [2022-07-14 02:21:00,507 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) [2022-07-14 02:21:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7181 transitions. [2022-07-14 02:21:00,527 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7181 transitions. Word has length 92 [2022-07-14 02:21:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:21:00,528 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7181 transitions. [2022-07-14 02:21:00,528 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) [2022-07-14 02:21:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7181 transitions. [2022-07-14 02:21:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-14 02:21:00,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:21:00,540 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] [2022-07-14 02:21:00,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:21:00,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:21:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:21:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1226914291, now seen corresponding path program 1 times [2022-07-14 02:21:00,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:21:00,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890178666] [2022-07-14 02:21:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:21:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:21:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:21:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:21:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-14 02:21:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:21:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 02:21:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:21:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 02:21:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:21:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:21:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 02:21:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 02:21:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-14 02:21:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:21:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-14 02:21:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:21:01,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890178666] [2022-07-14 02:21:01,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890178666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:21:01,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:21:01,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:21:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391513516] [2022-07-14 02:21:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:21:01,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:21:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:21:01,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:21:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:21:01,369 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) [2022-07-14 02:21:03,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:21:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:21:34,673 INFO L93 Difference]: Finished difference Result 13173 states and 18819 transitions. [2022-07-14 02:21:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:21:34,674 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 [2022-07-14 02:21:34,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:21:34,715 INFO L225 Difference]: With dead ends: 13173 [2022-07-14 02:21:34,716 INFO L226 Difference]: Without dead ends: 8168 [2022-07-14 02:21:34,735 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 [2022-07-14 02:21:34,736 INFO L413 NwaCegarLoop]: 4679 mSDtfsCounter, 4671 mSDsluCounter, 6223 mSDsCounter, 0 mSdLazyCounter, 5027 mSolverCounterSat, 2882 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4952 SdHoareTripleChecker+Valid, 10902 SdHoareTripleChecker+Invalid, 7910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2882 IncrementalHoareTripleChecker+Valid, 5027 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:21:34,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4952 Valid, 10902 Invalid, 7910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2882 Valid, 5027 Invalid, 1 Unknown, 0 Unchecked, 32.4s Time] [2022-07-14 02:21:34,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2022-07-14 02:21:35,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7557. [2022-07-14 02:21:35,049 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) [2022-07-14 02:21:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10686 transitions. [2022-07-14 02:21:35,078 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10686 transitions. Word has length 161 [2022-07-14 02:21:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:21:35,080 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10686 transitions. [2022-07-14 02:21:35,081 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) [2022-07-14 02:21:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10686 transitions. [2022-07-14 02:21:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 02:21:35,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:21:35,088 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] [2022-07-14 02:21:35,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:21:35,089 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:21:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:21:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash -580407024, now seen corresponding path program 1 times [2022-07-14 02:21:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:21:35,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530079818] [2022-07-14 02:21:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:21:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:21:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:21:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:21:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 02:21:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 02:21:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 02:21:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-14 02:21:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 02:21:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:21:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-14 02:21:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:21:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 02:21:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 02:21:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:21:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-14 02:21:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:21:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 02:21:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 02:21:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 02:21:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 02:21:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:21:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:21:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 02:21:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:21:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 02:21:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:21:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-14 02:21:36,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:21:36,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530079818] [2022-07-14 02:21:36,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530079818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:21:36,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:21:36,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:21:36,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788839218] [2022-07-14 02:21:36,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:21:36,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:21:36,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:21:36,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:21:36,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:21:36,075 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) [2022-07-14 02:21:38,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:21:40,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:21:42,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []