./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 eb692b52 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-?-eb692b5 [2022-07-20 01:40:03,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:40:03,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:40:03,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:40:03,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:40:03,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:40:03,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:40:03,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:40:03,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:40:03,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:40:03,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:40:03,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:40:03,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:40:03,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:40:03,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:40:03,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:40:03,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:40:03,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:40:03,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:40:03,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:40:03,495 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:40:03,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:40:03,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:40:03,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:40:03,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:40:03,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:40:03,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:40:03,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:40:03,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:40:03,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:40:03,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:40:03,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:40:03,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:40:03,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:40:03,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:40:03,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:40:03,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:40:03,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:40:03,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:40:03,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:40:03,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:40:03,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:40:03,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:40:03,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:40:03,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:40:03,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:40:03,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:40:03,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:40:03,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:40:03,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:40:03,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:40:03,536 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:40:03,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:40:03,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:40:03,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:40:03,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:40:03,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:40:03,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:40:03,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:40:03,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:40:03,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:40:03,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:40:03,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:40:03,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:40:03,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:40:03,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:40:03,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:40:03,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:40:03,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:40:03,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:40:03,539 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:40:03,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:40:03,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:40:03,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-07-20 01:40:03,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:40:03,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:40:03,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:40:03,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:40:03,708 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:40:03,709 INFO L432 ainManager$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 [2022-07-20 01:40:03,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d05f6c5/89352870426b40ce975075152c1a8a19/FLAGc1408ec37 [2022-07-20 01:40:04,440 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:40:04,441 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 [2022-07-20 01:40:04,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d05f6c5/89352870426b40ce975075152c1a8a19/FLAGc1408ec37 [2022-07-20 01:40:04,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d05f6c5/89352870426b40ce975075152c1a8a19 [2022-07-20 01:40:04,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:40:04,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:40:04,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:40:04,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:40:04,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:40:04,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:40:04" (1/1) ... [2022-07-20 01:40:04,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47acd1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:04, skipping insertion in model container [2022-07-20 01:40:04,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:40:04" (1/1) ... [2022-07-20 01:40:04,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:40:04,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:40:06,764 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] [2022-07-20 01:40:06,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:40:06,849 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:40:07,220 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] [2022-07-20 01:40:07,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:40:07,295 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:40:07,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07 WrapperNode [2022-07-20 01:40:07,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:40:07,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:40:07,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:40:07,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:40:07,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,579 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7633 [2022-07-20 01:40:07,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:40:07,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:40:07,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:40:07,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:40:07,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:40:07,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:40:07,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:40:07,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:40:07,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (1/1) ... [2022-07-20 01:40:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:40:07,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:40:07,911 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) [2022-07-20 01:40:07,992 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 [2022-07-20 01:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-20 01:40:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-20 01:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-07-20 01:40:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-07-20 01:40:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-07-20 01:40:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-07-20 01:40:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-07-20 01:40:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-07-20 01:40:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:40:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:40:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:40:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-20 01:40:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-20 01:40:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:40:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:40:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-07-20 01:40:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-07-20 01:40:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-07-20 01:40:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-07-20 01:40:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-07-20 01:40:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-07-20 01:40:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:40:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:40:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-07-20 01:40:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-07-20 01:40:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:40:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:40:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 01:40:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-07-20 01:40:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-07-20 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-20 01:40:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-20 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-07-20 01:40:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-07-20 01:40:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-20 01:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-20 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 01:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 01:40:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 01:40:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:40:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:40:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-07-20 01:40:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-07-20 01:40:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-07-20 01:40:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-07-20 01:40:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-07-20 01:40:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-07-20 01:40:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:40:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:40:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:40:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:40:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-20 01:40:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-20 01:40:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-20 01:40:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-20 01:40:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-07-20 01:40:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-07-20 01:40:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-07-20 01:40:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-07-20 01:40:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-07-20 01:40:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-07-20 01:40:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:40:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:40:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-07-20 01:40:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-07-20 01:40:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-07-20 01:40:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-07-20 01:40:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-07-20 01:40:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-07-20 01:40:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-07-20 01:40:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-07-20 01:40:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:40:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-20 01:40:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:40:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-07-20 01:40:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-07-20 01:40:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-20 01:40:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:40:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:40:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:40:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-07-20 01:40:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-07-20 01:40:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-07-20 01:40:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-07-20 01:40:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-20 01:40:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-20 01:40:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-07-20 01:40:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-07-20 01:40:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:40:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:40:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:40:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:40:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:40:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:40:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-07-20 01:40:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-07-20 01:40:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-07-20 01:40:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-07-20 01:40:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-07-20 01:40:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-07-20 01:40:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 01:40:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 01:40:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:40:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 01:40:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 01:40:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:40:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-07-20 01:40:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-07-20 01:40:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-07-20 01:40:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-07-20 01:40:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 01:40:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 01:40:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:40:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:40:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-07-20 01:40:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-07-20 01:40:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-20 01:40:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-07-20 01:40:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-07-20 01:40:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:40:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:40:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-07-20 01:40:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-07-20 01:40:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-20 01:40:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-20 01:40:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-07-20 01:40:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-07-20 01:40:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-07-20 01:40:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-07-20 01:40:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:40:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:40:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-07-20 01:40:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:40:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-20 01:40:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:40:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:40:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-07-20 01:40:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-07-20 01:40:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-07-20 01:40:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-20 01:40:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:40:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 01:40:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:40:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-07-20 01:40:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:40:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:40:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:40:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-07-20 01:40:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-07-20 01:40:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-20 01:40:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-20 01:40:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-07-20 01:40:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-07-20 01:40:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:40:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:40:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:40:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:40:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-20 01:40:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-20 01:40:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:40:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-07-20 01:40:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-07-20 01:40:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-07-20 01:40:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-07-20 01:40:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:40:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:40:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 01:40:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-07-20 01:40:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 01:40:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-07-20 01:40:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-07-20 01:40:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-07-20 01:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:40:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-07-20 01:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-07-20 01:40:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:40:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-07-20 01:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-07-20 01:40:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-07-20 01:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-07-20 01:40:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-20 01:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-07-20 01:40:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-07-20 01:40:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-07-20 01:40:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-07-20 01:40:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-07-20 01:40:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-07-20 01:40:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-07-20 01:40:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-07-20 01:40:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 01:40:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 01:40:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-07-20 01:40:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-07-20 01:40:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-07-20 01:40:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-07-20 01:40:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 01:40:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 01:40:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 01:40:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 01:40:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-07-20 01:40:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-07-20 01:40:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-07-20 01:40:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-07-20 01:40:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-07-20 01:40:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-07-20 01:40:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-20 01:40:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-20 01:40:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-07-20 01:40:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-07-20 01:40:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-07-20 01:40:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-07-20 01:40:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-20 01:40:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-20 01:40:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-07-20 01:40:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-07-20 01:40:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-07-20 01:40:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-07-20 01:40:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-07-20 01:40:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-07-20 01:40:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-20 01:40:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-20 01:40:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:40:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:40:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:40:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:40:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-20 01:40:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-07-20 01:40:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:40:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-07-20 01:40:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-07-20 01:40:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 01:40:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 01:40:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:40:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:40:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 01:40:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 01:40:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-07-20 01:40:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-07-20 01:40:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:40:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:40:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-07-20 01:40:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-07-20 01:40:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:40:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:40:08,856 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:40:08,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:40:09,154 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:41:57,221 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:41:57,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:41:57,242 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:41:57,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:41:57 BoogieIcfgContainer [2022-07-20 01:41:57,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:41:57,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:41:57,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:41:57,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:41:57,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:40:04" (1/3) ... [2022-07-20 01:41:57,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d99cd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:41:57, skipping insertion in model container [2022-07-20 01:41:57,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:40:07" (2/3) ... [2022-07-20 01:41:57,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d99cd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:41:57, skipping insertion in model container [2022-07-20 01:41:57,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:41:57" (3/3) ... [2022-07-20 01:41:57,254 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-07-20 01:41:57,265 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:41:57,266 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:41:57,355 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:41:57,360 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@6aef95c3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@b3aa4fd [2022-07-20 01:41:57,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:41:57,371 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) [2022-07-20 01:41:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-20 01:41:57,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:41:57,396 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] [2022-07-20 01:41:57,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:41:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:41:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1194533548, now seen corresponding path program 1 times [2022-07-20 01:41:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:41:57,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180334378] [2022-07-20 01:41:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:41:57,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:41:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:41:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 01:41:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 01:41:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 01:41:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 01:41:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-20 01:41:58,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:41:58,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180334378] [2022-07-20 01:41:58,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180334378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:41:58,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:41:58,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:41:58,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809597306] [2022-07-20 01:41:58,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:41:58,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:41:58,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:41:58,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:41:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:41:58,325 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) [2022-07-20 01:42:00,407 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 [] [2022-07-20 01:42:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:42:08,736 INFO L93 Difference]: Finished difference Result 5719 states and 8712 transitions. [2022-07-20 01:42:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:42:08,738 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 [2022-07-20 01:42:08,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:42:08,760 INFO L225 Difference]: With dead ends: 5719 [2022-07-20 01:42:08,761 INFO L226 Difference]: Without dead ends: 2956 [2022-07-20 01:42:08,779 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 [2022-07-20 01:42:08,781 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 2741 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 2654 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 5297 SdHoareTripleChecker+Invalid, 3969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2654 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:42:08,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 5297 Invalid, 3969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2654 Valid, 1314 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-07-20 01:42:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2022-07-20 01:42:08,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2726. [2022-07-20 01:42:08,927 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) [2022-07-20 01:42:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3920 transitions. [2022-07-20 01:42:08,946 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3920 transitions. Word has length 92 [2022-07-20 01:42:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:42:08,947 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3920 transitions. [2022-07-20 01:42:08,947 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) [2022-07-20 01:42:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3920 transitions. [2022-07-20 01:42:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-20 01:42:08,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:42:08,953 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] [2022-07-20 01:42:08,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:42:08,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:42:08,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:42:08,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1891890640, now seen corresponding path program 1 times [2022-07-20 01:42:08,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:42:08,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038692535] [2022-07-20 01:42:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:42:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:42:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:42:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:42:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 01:42:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:42:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 01:42:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 01:42:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 01:42:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-20 01:42:09,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:42:09,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038692535] [2022-07-20 01:42:09,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038692535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:42:09,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:42:09,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:42:09,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155404081] [2022-07-20 01:42:09,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:42:09,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:42:09,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:42:09,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:42:09,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:42:09,597 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) [2022-07-20 01:42:11,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:13,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:45,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:42:45,883 INFO L93 Difference]: Finished difference Result 8192 states and 11829 transitions. [2022-07-20 01:42:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:42:45,883 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 [2022-07-20 01:42:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:42:45,921 INFO L225 Difference]: With dead ends: 8192 [2022-07-20 01:42:45,921 INFO L226 Difference]: Without dead ends: 5473 [2022-07-20 01:42:45,934 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 [2022-07-20 01:42:45,935 INFO L413 NwaCegarLoop]: 3867 mSDtfsCounter, 6271 mSDsluCounter, 6970 mSDsCounter, 0 mSdLazyCounter, 5957 mSolverCounterSat, 3661 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6628 SdHoareTripleChecker+Valid, 10837 SdHoareTripleChecker+Invalid, 9620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3661 IncrementalHoareTripleChecker+Valid, 5957 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:42:45,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6628 Valid, 10837 Invalid, 9620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3661 Valid, 5957 Invalid, 2 Unknown, 0 Unchecked, 35.4s Time] [2022-07-20 01:42:45,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-07-20 01:42:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5012. [2022-07-20 01:42:46,097 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) [2022-07-20 01:42:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 7181 transitions. [2022-07-20 01:42:46,119 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 7181 transitions. Word has length 92 [2022-07-20 01:42:46,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:42:46,120 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 7181 transitions. [2022-07-20 01:42:46,120 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) [2022-07-20 01:42:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 7181 transitions. [2022-07-20 01:42:46,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-20 01:42:46,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:42:46,134 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] [2022-07-20 01:42:46,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:42:46,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:42:46,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:42:46,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1226914291, now seen corresponding path program 1 times [2022-07-20 01:42:46,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:42:46,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749276297] [2022-07-20 01:42:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:42:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:42:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:42:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:42:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 01:42:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:42:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 01:42:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:42:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 01:42:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:42:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:42:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-20 01:42:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-20 01:42:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 01:42:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:42:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 01:42:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:42:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-20 01:42:46,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:42:46,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749276297] [2022-07-20 01:42:46,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749276297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:42:46,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:42:46,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:42:46,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258153407] [2022-07-20 01:42:46,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:42:46,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:42:46,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:42:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:42:46,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:42:46,973 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) [2022-07-20 01:42:49,024 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 [] [2022-07-20 01:43:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:43:16,302 INFO L93 Difference]: Finished difference Result 13173 states and 18819 transitions. [2022-07-20 01:43:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:43:16,303 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 [2022-07-20 01:43:16,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:43:16,350 INFO L225 Difference]: With dead ends: 13173 [2022-07-20 01:43:16,350 INFO L226 Difference]: Without dead ends: 8168 [2022-07-20 01:43:16,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:43:16,369 INFO L413 NwaCegarLoop]: 4677 mSDtfsCounter, 4671 mSDsluCounter, 6215 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 2881 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 10892 SdHoareTripleChecker+Invalid, 7907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2881 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:43:16,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4954 Valid, 10892 Invalid, 7907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2881 Valid, 5025 Invalid, 1 Unknown, 0 Unchecked, 28.6s Time] [2022-07-20 01:43:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2022-07-20 01:43:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 7557. [2022-07-20 01:43:16,561 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) [2022-07-20 01:43:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10686 transitions. [2022-07-20 01:43:16,584 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10686 transitions. Word has length 161 [2022-07-20 01:43:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:43:16,585 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10686 transitions. [2022-07-20 01:43:16,586 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) [2022-07-20 01:43:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10686 transitions. [2022-07-20 01:43:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 01:43:16,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:43:16,592 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] [2022-07-20 01:43:16,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:43:16,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:43:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:43:16,592 INFO L85 PathProgramCache]: Analyzing trace with hash -580407024, now seen corresponding path program 1 times [2022-07-20 01:43:16,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:43:16,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302959720] [2022-07-20 01:43:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:43:16,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:43:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:43:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:43:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 01:43:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 01:43:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 01:43:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 01:43:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 01:43:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:43:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-20 01:43:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:43:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 01:43:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:43:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 01:43:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 01:43:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:43:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:43:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 01:43:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 01:43:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 01:43:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 01:43:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:43:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:43:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:43:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 01:43:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:43:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-20 01:43:17,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:43:17,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302959720] [2022-07-20 01:43:17,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302959720] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:43:17,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:43:17,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:43:17,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140276723] [2022-07-20 01:43:17,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:43:17,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:43:17,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:43:17,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:43:17,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:43:17,371 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) [2022-07-20 01:43:19,459 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 [] [2022-07-20 01:43:21,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:43:24,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:44:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:44:22,388 INFO L93 Difference]: Finished difference Result 24240 states and 34536 transitions. [2022-07-20 01:44:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:44:22,389 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 [2022-07-20 01:44:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:44:22,465 INFO L225 Difference]: With dead ends: 24240 [2022-07-20 01:44:22,465 INFO L226 Difference]: Without dead ends: 16690 [2022-07-20 01:44:22,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:44:22,492 INFO L413 NwaCegarLoop]: 4635 mSDtfsCounter, 8649 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 9226 mSolverCounterSat, 5492 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9141 SdHoareTripleChecker+Valid, 10974 SdHoareTripleChecker+Invalid, 14721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5492 IncrementalHoareTripleChecker+Valid, 9226 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:44:22,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9141 Valid, 10974 Invalid, 14721 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5492 Valid, 9226 Invalid, 3 Unknown, 0 Unchecked, 63.2s Time] [2022-07-20 01:44:22,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16690 states. [2022-07-20 01:44:23,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16690 to 14439. [2022-07-20 01:44:23,019 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) [2022-07-20 01:44:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 20456 transitions. [2022-07-20 01:44:23,065 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 20456 transitions. Word has length 259 [2022-07-20 01:44:23,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:44:23,065 INFO L495 AbstractCegarLoop]: Abstraction has 14439 states and 20456 transitions. [2022-07-20 01:44:23,066 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) [2022-07-20 01:44:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 20456 transitions. [2022-07-20 01:44:23,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 01:44:23,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:44:23,073 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] [2022-07-20 01:44:23,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:44:23,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:44:23,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:44:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1422166010, now seen corresponding path program 1 times [2022-07-20 01:44:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:44:23,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425867993] [2022-07-20 01:44:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:44:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:44:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:44:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:44:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 01:44:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:44:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 01:44:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:44:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 01:44:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 01:44:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:44:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 01:44:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:44:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 01:44:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 01:44:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:44:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:44:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:44:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:44:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 01:44:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:44:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:44:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 01:44:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:44:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-20 01:44:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:44:24,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425867993] [2022-07-20 01:44:24,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425867993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:44:24,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:44:24,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:44:24,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288909671] [2022-07-20 01:44:24,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:44:24,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:44:24,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:44:24,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:44:24,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:44:24,017 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) [2022-07-20 01:44:26,067 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 []