./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 6c24879c 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-?-6c24879 [2022-07-12 14:37:27,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:37:27,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:37:27,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:37:27,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:37:27,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:37:27,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:37:27,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:37:27,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:37:27,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:37:27,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:37:27,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:37:27,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:37:27,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:37:27,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:37:27,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:37:27,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:37:27,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:37:27,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:37:27,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:37:27,813 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:37:27,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:37:27,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:37:27,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:37:27,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:37:27,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:37:27,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:37:27,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:37:27,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:37:27,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:37:27,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:37:27,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:37:27,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:37:27,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:37:27,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:37:27,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:37:27,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:37:27,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:37:27,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:37:27,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:37:27,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:37:27,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:37:27,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:37:27,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:37:27,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:37:27,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:37:27,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:37:27,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:37:27,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:37:27,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:37:27,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:37:27,853 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:37:27,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:37:27,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:37:27,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:37:27,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:37:27,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:37:27,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:37:27,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:37:27,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:37:27,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:37:27,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:37:27,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:37:27,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:37:27,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:37:27,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:37:27,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:37:27,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:37:27,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:37:27,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:37:27,857 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:37:27,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:37:27,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:37:27,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-07-12 14:37:28,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:37:28,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:37:28,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:37:28,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:37:28,080 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:37:28,081 INFO L432 ainManager$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 [2022-07-12 14:37:28,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33f695ef/b5974d95f85a4e56accab6d678068688/FLAGa012241b6 [2022-07-12 14:37:28,736 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:37:28,737 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 [2022-07-12 14:37:28,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33f695ef/b5974d95f85a4e56accab6d678068688/FLAGa012241b6 [2022-07-12 14:37:28,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33f695ef/b5974d95f85a4e56accab6d678068688 [2022-07-12 14:37:28,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:37:28,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:37:28,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:37:28,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:37:28,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:37:28,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:37:28" (1/1) ... [2022-07-12 14:37:28,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf650bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:28, skipping insertion in model container [2022-07-12 14:37:28,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:37:28" (1/1) ... [2022-07-12 14:37:28,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:37:28,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:37:30,383 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] [2022-07-12 14:37:30,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:37:30,450 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:37:30,751 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] [2022-07-12 14:37:30,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:37:30,826 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:37:30,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30 WrapperNode [2022-07-12 14:37:30,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:37:30,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:37:30,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:37:30,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:37:30,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:30,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,105 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7633 [2022-07-12 14:37:31,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:37:31,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:37:31,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:37:31,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:37:31,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:37:31,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:37:31,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:37:31,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:37:31,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (1/1) ... [2022-07-12 14:37:31,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:37:31,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:37:31,323 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) [2022-07-12 14:37:31,391 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 [2022-07-12 14:37:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-12 14:37:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-12 14:37:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-07-12 14:37:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-07-12 14:37:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-07-12 14:37:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-07-12 14:37:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-07-12 14:37:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-07-12 14:37:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:37:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:37:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:37:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-12 14:37:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-12 14:37:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:37:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:37:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-07-12 14:37:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-07-12 14:37:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-07-12 14:37:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-07-12 14:37:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-07-12 14:37:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-07-12 14:37:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:37:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:37:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-07-12 14:37:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-07-12 14:37:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:37:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:37:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-12 14:37:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-12 14:37:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-07-12 14:37:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-07-12 14:37:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-12 14:37:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-12 14:37:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-07-12 14:37:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-07-12 14:37:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-12 14:37:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-12 14:37:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 14:37:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 14:37:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-12 14:37:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-12 14:37:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:37:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:37:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-07-12 14:37:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-07-12 14:37:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-07-12 14:37:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-07-12 14:37:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-07-12 14:37:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-07-12 14:37:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:37:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:37:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:37:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:37:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-12 14:37:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-12 14:37:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-12 14:37:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-12 14:37:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-07-12 14:37:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-07-12 14:37:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-07-12 14:37:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-07-12 14:37:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-07-12 14:37:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-07-12 14:37:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:37:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:37:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-07-12 14:37:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-07-12 14:37:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-07-12 14:37:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-07-12 14:37:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-07-12 14:37:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-07-12 14:37:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-07-12 14:37:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-07-12 14:37:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:37:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-12 14:37:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-12 14:37:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:37:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:37:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-07-12 14:37:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-07-12 14:37:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-07-12 14:37:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-07-12 14:37:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-12 14:37:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-12 14:37:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:37:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:37:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:37:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-07-12 14:37:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-07-12 14:37:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-07-12 14:37:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-07-12 14:37:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-12 14:37:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-12 14:37:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-07-12 14:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-07-12 14:37:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:37:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:37:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:37:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:37:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-07-12 14:37:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-07-12 14:37:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-07-12 14:37:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-07-12 14:37:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-07-12 14:37:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-07-12 14:37:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-12 14:37:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-12 14:37:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:37:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 14:37:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 14:37:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:37:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-07-12 14:37:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-07-12 14:37:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-07-12 14:37:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-07-12 14:37:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 14:37:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 14:37:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:37:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:37:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-07-12 14:37:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-07-12 14:37:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-12 14:37:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-07-12 14:37:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-07-12 14:37:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:37:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:37:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-07-12 14:37:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-07-12 14:37:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-12 14:37:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-12 14:37:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-07-12 14:37:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-07-12 14:37:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:37:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-07-12 14:37:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 14:37:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:37:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-12 14:37:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-12 14:37:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-12 14:37:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-12 14:37:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:37:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-07-12 14:37:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-07-12 14:37:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-07-12 14:37:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-07-12 14:37:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-07-12 14:37:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-07-12 14:37:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-12 14:37:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-12 14:37:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:37:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:37:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 14:37:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 14:37:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:37:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-07-12 14:37:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 14:37:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:37:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-07-12 14:37:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-07-12 14:37:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 14:37:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 14:37:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-07-12 14:37:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-07-12 14:37:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:37:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:37:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:37:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:37:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-12 14:37:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-12 14:37:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:37:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-07-12 14:37:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-07-12 14:37:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-07-12 14:37:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-07-12 14:37:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:37:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:37:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 14:37:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 14:37:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-07-12 14:37:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-07-12 14:37:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 14:37:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 14:37:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:37:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-07-12 14:37:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-07-12 14:37:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-07-12 14:37:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-07-12 14:37:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:37:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:37:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-07-12 14:37:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-07-12 14:37:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-07-12 14:37:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 14:37:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-07-12 14:37:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-07-12 14:37:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-07-12 14:37:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-07-12 14:37:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-07-12 14:37:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-07-12 14:37:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-07-12 14:37:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-12 14:37:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-12 14:37:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-07-12 14:37:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-07-12 14:37:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-07-12 14:37:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-07-12 14:37:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 14:37:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 14:37:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 14:37:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 14:37:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-07-12 14:37:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-07-12 14:37:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-07-12 14:37:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-07-12 14:37:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-07-12 14:37:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-07-12 14:37:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-12 14:37:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-12 14:37:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-07-12 14:37:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-07-12 14:37:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-07-12 14:37:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-07-12 14:37:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-12 14:37:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-12 14:37:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-07-12 14:37:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-07-12 14:37:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-07-12 14:37:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-07-12 14:37:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-07-12 14:37:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-07-12 14:37:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-12 14:37:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-12 14:37:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:37:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:37:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 14:37:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 14:37:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-12 14:37:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-12 14:37:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-07-12 14:37:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:37:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-07-12 14:37:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-07-12 14:37:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 14:37:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:37:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:37:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:37:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 14:37:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 14:37:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-07-12 14:37:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:37:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:37:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-07-12 14:37:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-07-12 14:37:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:37:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:37:32,181 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:37:32,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:37:32,538 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:39:17,160 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:39:17,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:39:17,199 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:39:17,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:39:17 BoogieIcfgContainer [2022-07-12 14:39:17,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:39:17,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:39:17,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:39:17,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:39:17,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:37:28" (1/3) ... [2022-07-12 14:39:17,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a69e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:39:17, skipping insertion in model container [2022-07-12 14:39:17,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:37:30" (2/3) ... [2022-07-12 14:39:17,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a69e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:39:17, skipping insertion in model container [2022-07-12 14:39:17,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:39:17" (3/3) ... [2022-07-12 14:39:17,210 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-12 14:39:17,221 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:39:17,221 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:39:17,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:39:17,314 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@20942b63, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2bda0523 [2022-07-12 14:39:17,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:39:17,323 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) [2022-07-12 14:39:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-12 14:39:17,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:39:17,338 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] [2022-07-12 14:39:17,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:39:17,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:39:17,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1194533548, now seen corresponding path program 1 times [2022-07-12 14:39:17,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:39:17,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854492531] [2022-07-12 14:39:17,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:39:17,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:39:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:39:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:39:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 14:39:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:39:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 14:39:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-12 14:39:18,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:39:18,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854492531] [2022-07-12 14:39:18,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854492531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:39:18,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:39:18,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:39:18,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4996069] [2022-07-12 14:39:18,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:39:18,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:39:18,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:39:18,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:39:18,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:39:18,332 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) [2022-07-12 14:39:20,414 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 [] [2022-07-12 14:39:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:39:28,633 INFO L93 Difference]: Finished difference Result 5719 states and 8712 transitions. [2022-07-12 14:39:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:39:28,636 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 [2022-07-12 14:39:28,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:39:28,702 INFO L225 Difference]: With dead ends: 5719 [2022-07-12 14:39:28,715 INFO L226 Difference]: Without dead ends: 2956 [2022-07-12 14:39:28,735 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 [2022-07-12 14:39:28,738 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 2741 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 2655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 3969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2655 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:39:28,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 5296 Invalid, 3969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2655 Valid, 1313 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-07-12 14:39:28,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2022-07-12 14:39:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2726. [2022-07-12 14:39:28,953 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) [2022-07-12 14:39:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3920 transitions. [2022-07-12 14:39:28,973 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3920 transitions. Word has length 92 [2022-07-12 14:39:28,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:39:28,973 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3920 transitions. [2022-07-12 14:39:28,974 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) [2022-07-12 14:39:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3920 transitions. [2022-07-12 14:39:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-12 14:39:28,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:39:28,983 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] [2022-07-12 14:39:28,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:39:28,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:39:28,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:39:28,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1891890640, now seen corresponding path program 1 times [2022-07-12 14:39:28,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:39:28,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121709197] [2022-07-12 14:39:28,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:39:28,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:39:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:39:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:39:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 14:39:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:39:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 14:39:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-12 14:39:29,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:39:29,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121709197] [2022-07-12 14:39:29,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121709197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:39:29,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:39:29,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:39:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448634805] [2022-07-12 14:39:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:39:29,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:39:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:39:29,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:39:29,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:39:29,588 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) [2022-07-12 14:39:31,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:33,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:40:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:40:07,220 INFO L93 Difference]: Finished difference Result 8192 states and 11829 transitions. [2022-07-12 14:40:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:40:07,220 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 [2022-07-12 14:40:07,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:40:07,301 INFO L225 Difference]: With dead ends: 8192 [2022-07-12 14:40:07,301 INFO L226 Difference]: Without dead ends: 5473 [2022-07-12 14:40:07,333 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 [2022-07-12 14:40:07,334 INFO L413 NwaCegarLoop]: 3870 mSDtfsCounter, 6271 mSDsluCounter, 6976 mSDsCounter, 0 mSdLazyCounter, 5970 mSolverCounterSat, 3657 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6627 SdHoareTripleChecker+Valid, 10846 SdHoareTripleChecker+Invalid, 9629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3657 IncrementalHoareTripleChecker+Valid, 5970 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:40:07,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6627 Valid, 10846 Invalid, 9629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3657 Valid, 5970 Invalid, 2 Unknown, 0 Unchecked, 36.8s Time] [2022-07-12 14:40:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-07-12 14:40:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5012. [2022-07-12 14:40:07,574 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) [2022-07-12 14:40:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7181 transitions. [2022-07-12 14:40:07,594 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7181 transitions. Word has length 92 [2022-07-12 14:40:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:40:07,595 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7181 transitions. [2022-07-12 14:40:07,595 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) [2022-07-12 14:40:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7181 transitions. [2022-07-12 14:40:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 14:40:07,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:40:07,608 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] [2022-07-12 14:40:07,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:40:07,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:40:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:40:07,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1226914291, now seen corresponding path program 1 times [2022-07-12 14:40:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:40:07,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369198328] [2022-07-12 14:40:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:40:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:40:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:40:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:40:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:40:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:40:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 14:40:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:40:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 14:40:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:40:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:40:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 14:40:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 14:40:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 14:40:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:40:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-12 14:40:08,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:40:08,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369198328] [2022-07-12 14:40:08,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369198328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:40:08,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:40:08,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:40:08,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637986147] [2022-07-12 14:40:08,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:40:08,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:40:08,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:40:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:40:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:40:08,349 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) [2022-07-12 14:40:10,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:40:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:40:39,490 INFO L93 Difference]: Finished difference Result 13173 states and 18819 transitions. [2022-07-12 14:40:39,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:40:39,490 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 [2022-07-12 14:40:39,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:40:39,536 INFO L225 Difference]: With dead ends: 13173 [2022-07-12 14:40:39,536 INFO L226 Difference]: Without dead ends: 8168 [2022-07-12 14:40:39,556 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 [2022-07-12 14:40:39,559 INFO L413 NwaCegarLoop]: 4674 mSDtfsCounter, 4671 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 5024 mSolverCounterSat, 2880 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 10887 SdHoareTripleChecker+Invalid, 7905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2880 IncrementalHoareTripleChecker+Valid, 5024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:40:39,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4956 Valid, 10887 Invalid, 7905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2880 Valid, 5024 Invalid, 1 Unknown, 0 Unchecked, 30.4s Time] [2022-07-12 14:40:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2022-07-12 14:40:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7557. [2022-07-12 14:40:39,789 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) [2022-07-12 14:40:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10686 transitions. [2022-07-12 14:40:39,814 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10686 transitions. Word has length 161 [2022-07-12 14:40:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:40:39,815 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10686 transitions. [2022-07-12 14:40:39,816 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) [2022-07-12 14:40:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10686 transitions. [2022-07-12 14:40:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-12 14:40:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:40:39,822 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] [2022-07-12 14:40:39,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:40:39,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:40:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:40:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash -580407024, now seen corresponding path program 1 times [2022-07-12 14:40:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:40:39,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837232835] [2022-07-12 14:40:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:40:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:40:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:40:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:40:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 14:40:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 14:40:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 14:40:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 14:40:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 14:40:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:40:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 14:40:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:40:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:40:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:40:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 14:40:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:40:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:40:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:40:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 14:40:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 14:40:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 14:40:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 14:40:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:40:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:40:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:40:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 14:40:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:40:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-12 14:40:40,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:40:40,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837232835] [2022-07-12 14:40:40,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837232835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:40:40,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:40:40,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:40:40,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262901237] [2022-07-12 14:40:40,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:40:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:40:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:40:40,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:40:40,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:40:40,805 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) [2022-07-12 14:40:42,864 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 [] [2022-07-12 14:40:45,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:40:47,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:41:48,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:41:48,952 INFO L93 Difference]: Finished difference Result 24240 states and 34536 transitions. [2022-07-12 14:41:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:41:48,953 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 259 [2022-07-12 14:41:48,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:41:49,031 INFO L225 Difference]: With dead ends: 24240 [2022-07-12 14:41:49,036 INFO L226 Difference]: Without dead ends: 16690 [2022-07-12 14:41:49,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:41:49,069 INFO L413 NwaCegarLoop]: 4634 mSDtfsCounter, 8649 mSDsluCounter, 6341 mSDsCounter, 0 mSdLazyCounter, 9217 mSolverCounterSat, 5490 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9140 SdHoareTripleChecker+Valid, 10975 SdHoareTripleChecker+Invalid, 14710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5490 IncrementalHoareTripleChecker+Valid, 9217 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:41:49,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9140 Valid, 10975 Invalid, 14710 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5490 Valid, 9217 Invalid, 3 Unknown, 0 Unchecked, 66.3s Time] [2022-07-12 14:41:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16690 states. [2022-07-12 14:41:49,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16690 to 14439. [2022-07-12 14:41:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14439 states, 10319 states have (on average 1.345382304486869) internal successors, (13883), 10632 states have internal predecessors, (13883), 3287 states have call successors, (3287), 833 states have call predecessors, (3287), 832 states have return successors, (3286), 3235 states have call predecessors, (3286), 3286 states have call successors, (3286) [2022-07-12 14:41:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 20456 transitions. [2022-07-12 14:41:49,655 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 20456 transitions. Word has length 259 [2022-07-12 14:41:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:41:49,656 INFO L495 AbstractCegarLoop]: Abstraction has 14439 states and 20456 transitions. [2022-07-12 14:41:49,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 14:41:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 20456 transitions. [2022-07-12 14:41:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 14:41:49,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:41:49,665 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 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] [2022-07-12 14:41:49,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:41:49,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:41:49,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:41:49,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1422166010, now seen corresponding path program 1 times [2022-07-12 14:41:49,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:41:49,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055629059] [2022-07-12 14:41:49,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:41:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:41:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:41:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:41:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 14:41:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:41:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:41:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:41:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 14:41:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 14:41:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 14:41:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:41:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:41:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 14:41:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 14:41:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:41:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:41:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:41:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:41:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 14:41:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:41:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:41:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 14:41:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:41:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-12 14:41:50,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:41:50,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055629059] [2022-07-12 14:41:50,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055629059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:41:50,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:41:50,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:41:50,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278773445] [2022-07-12 14:41:50,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:41:50,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:41:50,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:41:50,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:41:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:41:50,492 INFO L87 Difference]: Start difference. First operand 14439 states and 20456 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-12 14:41:52,541 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 []