./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 35987657 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-?-3598765 [2022-07-21 13:10:39,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:10:39,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:10:39,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:10:39,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:10:39,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:10:39,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:10:39,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:10:39,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:10:39,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:10:39,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:10:39,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:10:39,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:10:39,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:10:39,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:10:39,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:10:39,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:10:39,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:10:39,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:10:39,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:10:39,796 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:10:39,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:10:39,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:10:39,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:10:39,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:10:39,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:10:39,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:10:39,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:10:39,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:10:39,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:10:39,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:10:39,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:10:39,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:10:39,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:10:39,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:10:39,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:10:39,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:10:39,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:10:39,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:10:39,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:10:39,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:10:39,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:10:39,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:10:39,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:10:39,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:10:39,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:10:39,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:10:39,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:10:39,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:10:39,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:10:39,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:10:39,862 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:10:39,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:10:39,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:10:39,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:10:39,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:10:39,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:10:39,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:10:39,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:10:39,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:10:39,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:10:39,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:10:39,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:10:39,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:10:39,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:10:39,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:10:39,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:10:39,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:10:39,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:10:39,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:10:39,866 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:10:39,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:10:39,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:10:39,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-07-21 13:10:40,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:10:40,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:10:40,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:10:40,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:10:40,127 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:10:40,128 INFO L432 ainManager$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 [2022-07-21 13:10:40,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc1a1e68/e6a38ac528a243bcbb4c97c7b000fe5b/FLAGc32437308 [2022-07-21 13:10:40,829 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:10:40,830 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 [2022-07-21 13:10:40,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc1a1e68/e6a38ac528a243bcbb4c97c7b000fe5b/FLAGc32437308 [2022-07-21 13:10:40,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc1a1e68/e6a38ac528a243bcbb4c97c7b000fe5b [2022-07-21 13:10:40,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:10:40,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:10:40,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:10:40,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:10:40,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:10:40,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:10:40" (1/1) ... [2022-07-21 13:10:40,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136e178b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:40, skipping insertion in model container [2022-07-21 13:10:40,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:10:40" (1/1) ... [2022-07-21 13:10:40,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:10:41,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:10:42,707 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] [2022-07-21 13:10:42,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:10:42,798 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:10:43,179 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] [2022-07-21 13:10:43,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:10:43,269 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:10:43,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43 WrapperNode [2022-07-21 13:10:43,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:10:43,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:10:43,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:10:43,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:10:43,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,586 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7633 [2022-07-21 13:10:43,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:10:43,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:10:43,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:10:43,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:10:43,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:10:43,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:10:43,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:10:43,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:10:43,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (1/1) ... [2022-07-21 13:10:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:10:43,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:10:43,961 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) [2022-07-21 13:10:43,995 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 [2022-07-21 13:10:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-21 13:10:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-21 13:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-07-21 13:10:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-07-21 13:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-07-21 13:10:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-07-21 13:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-07-21 13:10:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-07-21 13:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:10:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:10:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:10:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-21 13:10:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-21 13:10:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:10:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:10:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-07-21 13:10:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-07-21 13:10:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-07-21 13:10:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-07-21 13:10:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-07-21 13:10:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-07-21 13:10:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 13:10:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 13:10:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-07-21 13:10:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-07-21 13:10:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:10:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:10:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-21 13:10:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-21 13:10:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-07-21 13:10:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-07-21 13:10:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-21 13:10:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-21 13:10:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-07-21 13:10:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-07-21 13:10:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-21 13:10:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-21 13:10:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 13:10:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 13:10:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 13:10:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 13:10:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 13:10:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 13:10:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-07-21 13:10:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-07-21 13:10:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-07-21 13:10:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-07-21 13:10:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-07-21 13:10:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-07-21 13:10:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:10:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:10:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 13:10:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 13:10:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-21 13:10:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-21 13:10:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-21 13:10:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-21 13:10:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-07-21 13:10:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-07-21 13:10:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-07-21 13:10:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-07-21 13:10:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 13:10:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 13:10:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:10:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:10:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-07-21 13:10:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-07-21 13:10:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-07-21 13:10:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-21 13:10:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:10:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:10:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-07-21 13:10:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 13:10:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 13:10:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-07-21 13:10:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-07-21 13:10:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-21 13:10:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-21 13:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-07-21 13:10:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-07-21 13:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-07-21 13:10:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-07-21 13:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:10:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-07-21 13:10:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-07-21 13:10:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 13:10:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 13:10:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 13:10:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-21 13:10:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-21 13:10:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:10:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:10:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:10:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-07-21 13:10:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-07-21 13:10:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-07-21 13:10:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-07-21 13:10:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-07-21 13:10:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-07-21 13:10:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-21 13:10:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-21 13:10:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:10:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:10:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 13:10:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 13:10:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:10:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:10:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-07-21 13:10:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-07-21 13:10:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 13:10:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 13:10:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:10:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:10:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:10:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-07-21 13:10:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-07-21 13:10:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-21 13:10:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-21 13:10:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-07-21 13:10:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-07-21 13:10:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:10:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:10:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 13:10:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 13:10:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-21 13:10:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-21 13:10:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:10:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-07-21 13:10:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-07-21 13:10:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-07-21 13:10:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-07-21 13:10:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 13:10:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 13:10:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-21 13:10:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-21 13:10:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-07-21 13:10:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-07-21 13:10:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 13:10:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 13:10:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:10:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-07-21 13:10:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-07-21 13:10:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-07-21 13:10:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-07-21 13:10:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:10:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:10:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-07-21 13:10:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-07-21 13:10:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:10:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-07-21 13:10:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-07-21 13:10:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-07-21 13:10:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-07-21 13:10:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-21 13:10:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-21 13:10:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-07-21 13:10:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-07-21 13:10:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-07-21 13:10:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-07-21 13:10:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-07-21 13:10:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-07-21 13:10:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-07-21 13:10:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-07-21 13:10:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-07-21 13:10:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-07-21 13:10:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-07-21 13:10:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-07-21 13:10:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 13:10:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 13:10:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-07-21 13:10:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-07-21 13:10:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-07-21 13:10:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-07-21 13:10:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 13:10:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 13:10:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 13:10:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 13:10:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-07-21 13:10:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-07-21 13:10:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-07-21 13:10:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-07-21 13:10:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-07-21 13:10:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-07-21 13:10:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-21 13:10:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-21 13:10:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-07-21 13:10:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-07-21 13:10:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-07-21 13:10:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-07-21 13:10:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-21 13:10:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-21 13:10:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-07-21 13:10:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-07-21 13:10:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-07-21 13:10:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-07-21 13:10:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-07-21 13:10:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-07-21 13:10:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-21 13:10:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-21 13:10:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:10:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:10:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:10:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:10:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-21 13:10:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-21 13:10:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-07-21 13:10:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-07-21 13:10:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 13:10:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 13:10:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-07-21 13:10:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-07-21 13:10:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-07-21 13:10:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-07-21 13:10:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 13:10:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 13:10:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:10:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:10:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:10:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:10:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:10:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 13:10:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 13:10:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 13:10:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 13:10:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-07-21 13:10:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-07-21 13:10:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:10:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:10:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-07-21 13:10:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-07-21 13:10:44,074 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 13:10:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 13:10:44,878 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:10:44,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:10:45,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:12:33,469 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:12:33,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:12:33,492 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:12:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:12:33 BoogieIcfgContainer [2022-07-21 13:12:33,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:12:33,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:12:33,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:12:33,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:12:33,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:10:40" (1/3) ... [2022-07-21 13:12:33,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c236a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:12:33, skipping insertion in model container [2022-07-21 13:12:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:10:43" (2/3) ... [2022-07-21 13:12:33,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c236a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:12:33, skipping insertion in model container [2022-07-21 13:12:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:12:33" (3/3) ... [2022-07-21 13:12:33,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-21 13:12:33,518 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:12:33,519 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:12:33,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:12:33,623 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@3581c540, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a6e5e7b [2022-07-21 13:12:33,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:12:33,635 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) [2022-07-21 13:12:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-21 13:12:33,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:12:33,661 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] [2022-07-21 13:12:33,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:12:33,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:12:33,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1194533548, now seen corresponding path program 1 times [2022-07-21 13:12:33,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:12:33,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75592953] [2022-07-21 13:12:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:12:33,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:12:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:12:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 13:12:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 13:12:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 13:12:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 13:12:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-21 13:12:34,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:12:34,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75592953] [2022-07-21 13:12:34,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75592953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:12:34,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:12:34,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:12:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451052159] [2022-07-21 13:12:34,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:12:34,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:12:34,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:12:34,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:12:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:12:34,699 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) [2022-07-21 13:12:36,771 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 [] [2022-07-21 13:12:45,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:12:45,647 INFO L93 Difference]: Finished difference Result 5719 states and 8712 transitions. [2022-07-21 13:12:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 13:12:45,649 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 [2022-07-21 13:12:45,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:12:45,696 INFO L225 Difference]: With dead ends: 5719 [2022-07-21 13:12:45,696 INFO L226 Difference]: Without dead ends: 2956 [2022-07-21 13:12:45,724 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 [2022-07-21 13:12:45,726 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 2741 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 2655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 3970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2655 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:12:45,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 5299 Invalid, 3970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2655 Valid, 1314 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-07-21 13:12:45,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2022-07-21 13:12:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2726. [2022-07-21 13:12:45,896 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) [2022-07-21 13:12:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3920 transitions. [2022-07-21 13:12:45,921 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3920 transitions. Word has length 92 [2022-07-21 13:12:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:12:45,922 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3920 transitions. [2022-07-21 13:12:45,935 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) [2022-07-21 13:12:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3920 transitions. [2022-07-21 13:12:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-21 13:12:45,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:12:45,940 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] [2022-07-21 13:12:45,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:12:45,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:12:45,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:12:45,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1891890640, now seen corresponding path program 1 times [2022-07-21 13:12:45,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:12:45,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099009288] [2022-07-21 13:12:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:12:45,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:12:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:12:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 13:12:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 13:12:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 13:12:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 13:12:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-21 13:12:46,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:12:46,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099009288] [2022-07-21 13:12:46,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099009288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:12:46,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:12:46,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:12:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227001992] [2022-07-21 13:12:46,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:12:46,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:12:46,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:12:46,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:12:46,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:12:46,592 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) [2022-07-21 13:12:48,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:50,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:13:29,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:13:29,029 INFO L93 Difference]: Finished difference Result 8192 states and 11829 transitions. [2022-07-21 13:13:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:13:29,031 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 [2022-07-21 13:13:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:13:29,063 INFO L225 Difference]: With dead ends: 8192 [2022-07-21 13:13:29,063 INFO L226 Difference]: Without dead ends: 5473 [2022-07-21 13:13:29,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:13:29,079 INFO L413 NwaCegarLoop]: 3864 mSDtfsCounter, 6271 mSDsluCounter, 6963 mSDsCounter, 0 mSdLazyCounter, 5959 mSolverCounterSat, 3661 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6627 SdHoareTripleChecker+Valid, 10827 SdHoareTripleChecker+Invalid, 9622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3661 IncrementalHoareTripleChecker+Valid, 5959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:13:29,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6627 Valid, 10827 Invalid, 9622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3661 Valid, 5959 Invalid, 2 Unknown, 0 Unchecked, 41.4s Time] [2022-07-21 13:13:29,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-07-21 13:13:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5012. [2022-07-21 13:13:29,324 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) [2022-07-21 13:13:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7181 transitions. [2022-07-21 13:13:29,343 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7181 transitions. Word has length 92 [2022-07-21 13:13:29,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:13:29,343 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7181 transitions. [2022-07-21 13:13:29,344 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) [2022-07-21 13:13:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7181 transitions. [2022-07-21 13:13:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-21 13:13:29,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:13:29,356 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] [2022-07-21 13:13:29,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:13:29,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:13:29,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:13:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1226914291, now seen corresponding path program 1 times [2022-07-21 13:13:29,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:13:29,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663346785] [2022-07-21 13:13:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:13:29,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:13:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:13:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 13:13:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 13:13:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:13:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 13:13:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 13:13:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 13:13:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 13:13:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 13:13:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 13:13:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:13:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:13:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:13:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-21 13:13:30,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:13:30,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663346785] [2022-07-21 13:13:30,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663346785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:13:30,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:13:30,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:13:30,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789740056] [2022-07-21 13:13:30,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:13:30,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:13:30,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:13:30,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:13:30,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:13:30,101 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) [2022-07-21 13:13:32,153 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 [] [2022-07-21 13:14:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:14:02,509 INFO L93 Difference]: Finished difference Result 13173 states and 18819 transitions. [2022-07-21 13:14:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:14:02,510 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 [2022-07-21 13:14:02,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:14:02,555 INFO L225 Difference]: With dead ends: 13173 [2022-07-21 13:14:02,555 INFO L226 Difference]: Without dead ends: 8168 [2022-07-21 13:14:02,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:14:02,578 INFO L413 NwaCegarLoop]: 4670 mSDtfsCounter, 4671 mSDsluCounter, 6204 mSDsCounter, 0 mSdLazyCounter, 5015 mSolverCounterSat, 2884 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 10874 SdHoareTripleChecker+Invalid, 7900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2884 IncrementalHoareTripleChecker+Valid, 5015 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:14:02,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4956 Valid, 10874 Invalid, 7900 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2884 Valid, 5015 Invalid, 1 Unknown, 0 Unchecked, 31.5s Time] [2022-07-21 13:14:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2022-07-21 13:14:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7557. [2022-07-21 13:14:02,802 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) [2022-07-21 13:14:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10686 transitions. [2022-07-21 13:14:02,829 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10686 transitions. Word has length 161 [2022-07-21 13:14:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:14:02,830 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10686 transitions. [2022-07-21 13:14:02,839 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) [2022-07-21 13:14:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10686 transitions. [2022-07-21 13:14:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-21 13:14:02,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:14:02,851 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] [2022-07-21 13:14:02,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:14:02,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:14:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:14:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash -580407024, now seen corresponding path program 1 times [2022-07-21 13:14:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:14:02,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712300434] [2022-07-21 13:14:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:14:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:14:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:14:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:14:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 13:14:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 13:14:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 13:14:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 13:14:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 13:14:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:14:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 13:14:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:14:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 13:14:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 13:14:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 13:14:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:14:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 13:14:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 13:14:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 13:14:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 13:14:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:14:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:14:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 13:14:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 13:14:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:14:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:14:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:14:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-21 13:14:03,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:14:03,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712300434] [2022-07-21 13:14:03,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712300434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:14:03,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:14:03,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:14:03,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209524344] [2022-07-21 13:14:03,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:14:03,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:14:03,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:14:03,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:14:03,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:14:03,779 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) [2022-07-21 13:14:05,833 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 [] [2022-07-21 13:14:08,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:14:10,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []