/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:08:23,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:08:23,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:08:23,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:08:23,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:08:23,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:08:23,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:08:23,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:08:23,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:08:23,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:08:23,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:08:23,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:08:23,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:08:23,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:08:23,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:08:23,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:08:23,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:08:23,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:08:23,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:08:23,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:08:23,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:08:23,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:08:23,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:08:23,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:08:23,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:08:23,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:08:23,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:08:23,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:08:23,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:08:23,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:08:23,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:08:23,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:08:23,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:08:23,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:08:23,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:08:23,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:08:23,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:08:23,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:08:23,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:08:23,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:08:23,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:08:23,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 05:08:23,680 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:08:23,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:08:23,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:08:23,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:08:23,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:08:23,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:08:23,681 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:08:23,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:08:23,682 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:08:23,682 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:08:23,682 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:08:23,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:08:23,682 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:08:23,683 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:08:23,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:08:23,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:08:23,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:08:23,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:08:23,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:08:23,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:08:23,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:08:23,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:08:23,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:08:23,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:08:23,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:08:23,852 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:08:23,853 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:08:23,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:24,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:08:25,172 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:08:25,173 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:25,199 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196614ada/8520b564d13842ffbf2944526d4fcce0/FLAGb54dd5104 [2023-04-03 05:08:25,210 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196614ada/8520b564d13842ffbf2944526d4fcce0 [2023-04-03 05:08:25,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:08:25,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:08:25,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:08:25,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:08:25,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:08:25,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:08:25" (1/1) ... [2023-04-03 05:08:25,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e13f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:25, skipping insertion in model container [2023-04-03 05:08:25,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:08:25" (1/1) ... [2023-04-03 05:08:25,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:08:25,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:08:26,442 WARN L247 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-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-04-03 05:08:26,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:08:26,486 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:08:26,688 WARN L247 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-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-04-03 05:08:26,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:08:26,752 WARN L667 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:08:26,757 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:08:26,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26 WrapperNode [2023-04-03 05:08:26,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:08:26,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:08:26,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:08:26,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:08:26,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:27,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:27,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:08:27,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:08:27,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:08:27,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:08:27,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:27,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:08:27,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:08:27,066 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) [2023-04-03 05:08:27,082 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 [2023-04-03 05:08:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-03 05:08:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 05:08:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_cmnd_work [2023-04-03 05:08:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_dead_work [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_res_completed [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __add_offloaded_reg_to_fifo [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __vub300_irqpoll_response [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2023-04-03 05:08:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_inactivity_timer_expired [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure command_res_completed [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_block_size_and_bus_width [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_sg_timed_out [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure download_offload_pseudocode [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg_completion [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2023-04-03 05:08:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __vub300_command_response [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure construct_request_response [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure examine_cyclic_buffer [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure satisfy_request_from_offloaded_data [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_mmc_request [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_clock_speed [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_mmc_set_ios [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_mmc_get_ro [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_init_card [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_probe [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2023-04-03 05:08:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_suspend [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_resume [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pre_reset [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_post_reset [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_init [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_exit [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_5 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mmc_host_ops_7 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-04-03 05:08:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_4 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_6 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_5 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-04-03 05:08:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_5 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_2 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_delayed_work_3 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_scheduled_work_4 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_8 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2023-04-03 05:08:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_18 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_21 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_33 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_34 [2023-04-03 05:08:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_35 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_39 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_44 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_45 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_46 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_48 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_49 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_57 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_58 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_59 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_60 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_61 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_62 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_63 [2023-04-03 05:08:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_64 [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_65 [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_66 [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_67 [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-03 05:08:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 05:08:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_delayed_work [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_scheduled_work [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_6 [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_add_host [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_alloc_host [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_remove_host [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_resume_host [2023-04-03 05:08:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_suspend_host [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 05:08:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:08:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 05:08:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 05:08:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_34 [2023-04-03 05:08:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_35 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_18 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_21 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_39 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_58 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_59 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_60 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_65 [2023-04-03 05:08:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_66 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_67 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_62 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_63 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_64 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_scheduled_work_4 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_2 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure flush_delayed_work [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_delayed_work_3 [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 05:08:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 05:08:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_44 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_8 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_57 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_61 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_45 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_46 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_33 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_48 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_49 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2023-04-03 05:08:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-03 05:08:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:08:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_5 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mmc_host_ops_7 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_4 [2023-04-03 05:08:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_6 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_5 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_5 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_alloc_host [2023-04-03 05:08:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_add_host [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_remove_host [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_suspend_host [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_resume_host [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2023-04-03 05:08:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_cmnd_work [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_dead_work [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_res_completed [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure __add_offloaded_reg_to_fifo [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure __vub300_irqpoll_response [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_inactivity_timer_expired [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2023-04-03 05:08:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure command_res_completed [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_block_size_and_bus_width [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_sg_timed_out [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure download_offload_pseudocode [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg_completion [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure __vub300_command_response [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure construct_request_response [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure examine_cyclic_buffer [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure satisfy_request_from_offloaded_data [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_mmc_request [2023-04-03 05:08:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure __set_clock_speed [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_mmc_set_ios [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_mmc_get_ro [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_init_card [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_probe [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_suspend [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_resume [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pre_reset [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_post_reset [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_init [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_exit [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_6 [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:08:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:08:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 05:08:27,635 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:08:27,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:08:27,823 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:08:31,095 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:08:33,370 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:08:33,370 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 05:08:33,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:08:33 BoogieIcfgContainer [2023-04-03 05:08:33,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:08:33,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:08:33,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:08:33,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:08:33,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:08:25" (1/3) ... [2023-04-03 05:08:33,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfd19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:08:33, skipping insertion in model container [2023-04-03 05:08:33,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26" (2/3) ... [2023-04-03 05:08:33,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abfd19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:08:33, skipping insertion in model container [2023-04-03 05:08:33,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:08:33" (3/3) ... [2023-04-03 05:08:33,381 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:33,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:08:33,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:08:33,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:08:33,476 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d5cdace, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:08:33,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:08:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 1761 states, 1014 states have (on average 1.3234714003944774) internal successors, (1342), 1106 states have internal predecessors, (1342), 534 states have call successors, (534), 199 states have call predecessors, (534), 198 states have return successors, (523), 488 states have call predecessors, (523), 523 states have call successors, (523) [2023-04-03 05:08:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 05:08:33,511 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:08:33,511 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:08:33,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:08:33,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:08:33,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1706212307, now seen corresponding path program 1 times [2023-04-03 05:08:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:08:33,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304591307] [2023-04-03 05:08:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:08:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:08:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:08:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 05:08:34,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:08:34,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304591307] [2023-04-03 05:08:34,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304591307] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:08:34,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:08:34,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 05:08:34,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222482297] [2023-04-03 05:08:34,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:08:34,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 05:08:34,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:08:34,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 05:08:34,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 05:08:34,659 INFO L87 Difference]: Start difference. First operand has 1761 states, 1014 states have (on average 1.3234714003944774) internal successors, (1342), 1106 states have internal predecessors, (1342), 534 states have call successors, (534), 199 states have call predecessors, (534), 198 states have return successors, (523), 488 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:08:36,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:08:41,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:43,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:45,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:48,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:08:50,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:08:52,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:08:54,111 INFO L93 Difference]: Finished difference Result 3179 states and 4424 transitions. [2023-04-03 05:08:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 05:08:54,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 129 [2023-04-03 05:08:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:08:54,169 INFO L225 Difference]: With dead ends: 3179 [2023-04-03 05:08:54,170 INFO L226 Difference]: Without dead ends: 3129 [2023-04-03 05:08:54,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 05:08:54,189 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 2951 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 401 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:08:54,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 3531 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1695 Invalid, 7 Unknown, 0 Unchecked, 18.9s Time] [2023-04-03 05:08:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2023-04-03 05:08:54,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3062. [2023-04-03 05:08:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 1780 states have (on average 1.3207865168539326) internal successors, (2351), 1928 states have internal predecessors, (2351), 918 states have call successors, (918), 363 states have call predecessors, (918), 363 states have return successors, (953), 835 states have call predecessors, (953), 910 states have call successors, (953) [2023-04-03 05:08:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4222 transitions. [2023-04-03 05:08:54,408 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4222 transitions. Word has length 129 [2023-04-03 05:08:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:08:54,410 INFO L495 AbstractCegarLoop]: Abstraction has 3062 states and 4222 transitions. [2023-04-03 05:08:54,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:08:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4222 transitions. [2023-04-03 05:08:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 05:08:54,420 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:08:54,420 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:08:54,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:08:54,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:08:54,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:08:54,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1353794621, now seen corresponding path program 1 times [2023-04-03 05:08:54,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:08:54,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038912100] [2023-04-03 05:08:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:08:54,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:08:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:08:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 05:08:55,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:08:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038912100] [2023-04-03 05:08:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038912100] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:08:55,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:08:55,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 05:08:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531705226] [2023-04-03 05:08:55,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:08:55,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 05:08:55,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:08:55,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 05:08:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 05:08:55,140 INFO L87 Difference]: Start difference. First operand 3062 states and 4222 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:08:57,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:08:58,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:02,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:04,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:07,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:09,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:15,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:09:15,116 INFO L93 Difference]: Finished difference Result 6261 states and 8622 transitions. [2023-04-03 05:09:15,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 05:09:15,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 130 [2023-04-03 05:09:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:09:15,135 INFO L225 Difference]: With dead ends: 6261 [2023-04-03 05:09:15,135 INFO L226 Difference]: Without dead ends: 4583 [2023-04-03 05:09:15,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-03 05:09:15,142 INFO L413 NwaCegarLoop]: 2026 mSDtfsCounter, 4068 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 1233 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4335 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 2784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1233 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:09:15,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4335 Valid, 3014 Invalid, 2784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1233 Valid, 1545 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2023-04-03 05:09:15,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2023-04-03 05:09:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 4496. [2023-04-03 05:09:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 2620 states have (on average 1.3225190839694656) internal successors, (3465), 2836 states have internal predecessors, (3465), 1343 states have call successors, (1343), 536 states have call predecessors, (1343), 532 states have return successors, (1378), 1219 states have call predecessors, (1378), 1334 states have call successors, (1378) [2023-04-03 05:09:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 6186 transitions. [2023-04-03 05:09:15,345 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 6186 transitions. Word has length 130 [2023-04-03 05:09:15,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:09:15,347 INFO L495 AbstractCegarLoop]: Abstraction has 4496 states and 6186 transitions. [2023-04-03 05:09:15,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:09:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 6186 transitions. [2023-04-03 05:09:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 05:09:15,351 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:09:15,351 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:09:15,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:09:15,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:09:15,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:09:15,352 INFO L85 PathProgramCache]: Analyzing trace with hash 981223920, now seen corresponding path program 1 times [2023-04-03 05:09:15,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:09:15,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460500236] [2023-04-03 05:09:15,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:09:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:09:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:09:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 05:09:15,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:09:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460500236] [2023-04-03 05:09:15,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460500236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:09:15,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:09:15,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 05:09:15,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950543089] [2023-04-03 05:09:15,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:09:15,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 05:09:15,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:09:15,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 05:09:15,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 05:09:15,621 INFO L87 Difference]: Start difference. First operand 4496 states and 6186 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:09:19,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:21,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:24,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:26,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:28,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:32,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:34,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:36,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:09:40,867 INFO L93 Difference]: Finished difference Result 7290 states and 10353 transitions. [2023-04-03 05:09:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 05:09:40,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 131 [2023-04-03 05:09:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:09:40,894 INFO L225 Difference]: With dead ends: 7290 [2023-04-03 05:09:40,894 INFO L226 Difference]: Without dead ends: 7287 [2023-04-03 05:09:40,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:09:40,898 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 3186 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 2035 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3481 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 4649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2035 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:09:40,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 2798 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2035 Valid, 2607 Invalid, 7 Unknown, 0 Unchecked, 24.6s Time] [2023-04-03 05:09:40,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7287 states. [2023-04-03 05:09:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7287 to 6869. [2023-04-03 05:09:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6869 states, 3998 states have (on average 1.324912456228114) internal successors, (5297), 4377 states have internal predecessors, (5297), 2034 states have call successors, (2034), 794 states have call predecessors, (2034), 836 states have return successors, (2349), 1854 states have call predecessors, (2349), 2024 states have call successors, (2349) [2023-04-03 05:09:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6869 states to 6869 states and 9680 transitions. [2023-04-03 05:09:41,258 INFO L78 Accepts]: Start accepts. Automaton has 6869 states and 9680 transitions. Word has length 131 [2023-04-03 05:09:41,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:09:41,259 INFO L495 AbstractCegarLoop]: Abstraction has 6869 states and 9680 transitions. [2023-04-03 05:09:41,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-03 05:09:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6869 states and 9680 transitions. [2023-04-03 05:09:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 05:09:41,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:09:41,263 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:09:41,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:09:41,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:09:41,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:09:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash 352359526, now seen corresponding path program 1 times [2023-04-03 05:09:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:09:41,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520889360] [2023-04-03 05:09:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:09:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:09:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:09:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 05:09:41,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:09:41,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520889360] [2023-04-03 05:09:41,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520889360] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:09:41,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:09:41,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:09:41,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561640376] [2023-04-03 05:09:41,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:09:41,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:09:41,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:09:41,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:09:41,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:09:41,426 INFO L87 Difference]: Start difference. First operand 6869 states and 9680 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:09:43,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:45,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:47,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:09:47,984 INFO L93 Difference]: Finished difference Result 6871 states and 9681 transitions. [2023-04-03 05:09:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:09:47,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2023-04-03 05:09:47,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:09:48,012 INFO L225 Difference]: With dead ends: 6871 [2023-04-03 05:09:48,012 INFO L226 Difference]: Without dead ends: 6868 [2023-04-03 05:09:48,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:09:48,018 INFO L413 NwaCegarLoop]: 2060 mSDtfsCounter, 2220 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:09:48,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 2061 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-04-03 05:09:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6868 states. [2023-04-03 05:09:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6868 to 6868. [2023-04-03 05:09:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6868 states, 3998 states have (on average 1.3246623311655827) internal successors, (5296), 4376 states have internal predecessors, (5296), 2033 states have call successors, (2033), 794 states have call predecessors, (2033), 836 states have return successors, (2349), 1854 states have call predecessors, (2349), 2024 states have call successors, (2349) [2023-04-03 05:09:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 9678 transitions. [2023-04-03 05:09:48,347 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 9678 transitions. Word has length 132 [2023-04-03 05:09:48,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:09:48,347 INFO L495 AbstractCegarLoop]: Abstraction has 6868 states and 9678 transitions. [2023-04-03 05:09:48,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:09:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 9678 transitions. [2023-04-03 05:09:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 05:09:48,350 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:09:48,351 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:09:48,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:09:48,351 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:09:48,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:09:48,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1962562637, now seen corresponding path program 1 times [2023-04-03 05:09:48,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:09:48,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916077966] [2023-04-03 05:09:48,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:09:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:09:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:09:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 05:09:48,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:09:48,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916077966] [2023-04-03 05:09:48,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916077966] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:09:48,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:09:48,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:09:48,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563674636] [2023-04-03 05:09:48,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:09:48,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:09:48,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:09:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:09:48,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:09:48,531 INFO L87 Difference]: Start difference. First operand 6868 states and 9678 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:09:50,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:09:52,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:54,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:54,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:09:54,823 INFO L93 Difference]: Finished difference Result 6870 states and 9679 transitions. [2023-04-03 05:09:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:09:54,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2023-04-03 05:09:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:09:54,891 INFO L225 Difference]: With dead ends: 6870 [2023-04-03 05:09:54,892 INFO L226 Difference]: Without dead ends: 6856 [2023-04-03 05:09:54,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:09:54,897 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2217 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-03 05:09:54,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 2060 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2023-04-03 05:09:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6856 states. [2023-04-03 05:09:55,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6856 to 6856. [2023-04-03 05:09:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 3990 states have (on average 1.324812030075188) internal successors, (5286), 4368 states have internal predecessors, (5286), 2031 states have call successors, (2031), 793 states have call predecessors, (2031), 834 states have return successors, (2346), 1851 states have call predecessors, (2346), 2024 states have call successors, (2346) [2023-04-03 05:09:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9663 transitions. [2023-04-03 05:09:55,332 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9663 transitions. Word has length 133 [2023-04-03 05:09:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:09:55,333 INFO L495 AbstractCegarLoop]: Abstraction has 6856 states and 9663 transitions. [2023-04-03 05:09:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:09:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9663 transitions. [2023-04-03 05:09:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-03 05:09:55,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:09:55,340 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:09:55,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:09:55,340 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:09:55,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:09:55,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1933433059, now seen corresponding path program 1 times [2023-04-03 05:09:55,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:09:55,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548656687] [2023-04-03 05:09:55,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:09:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:09:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:09:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-03 05:09:55,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:09:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548656687] [2023-04-03 05:09:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548656687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:09:55,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:09:55,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:09:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87526996] [2023-04-03 05:09:55,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:09:55,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:09:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:09:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:09:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:09:55,959 INFO L87 Difference]: Start difference. First operand 6856 states and 9663 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 05:10:02,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:04,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:06,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:09,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:11,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:12,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:20,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:22,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:24,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:27,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:10:29,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:33,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:36,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:38,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:41,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:43,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:45,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:47,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:57,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:10:57,477 INFO L93 Difference]: Finished difference Result 19352 states and 27851 transitions. [2023-04-03 05:10:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 05:10:57,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) Word has length 226 [2023-04-03 05:10:57,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:10:57,527 INFO L225 Difference]: With dead ends: 19352 [2023-04-03 05:10:57,528 INFO L226 Difference]: Without dead ends: 12532 [2023-04-03 05:10:57,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-03 05:10:57,554 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 4011 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 9249 mSolverCounterSat, 2163 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 11428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 9249 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:10:57,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 1174 Invalid, 11428 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2163 Valid, 9249 Invalid, 16 Unknown, 0 Unchecked, 60.1s Time] [2023-04-03 05:10:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12532 states. [2023-04-03 05:10:58,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12532 to 12193. [2023-04-03 05:10:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12193 states, 7021 states have (on average 1.3184731519726536) internal successors, (9257), 7684 states have internal predecessors, (9257), 3613 states have call successors, (3613), 1427 states have call predecessors, (3613), 1558 states have return successors, (4506), 3380 states have call predecessors, (4506), 3606 states have call successors, (4506) [2023-04-03 05:10:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12193 states to 12193 states and 17376 transitions. [2023-04-03 05:10:58,439 INFO L78 Accepts]: Start accepts. Automaton has 12193 states and 17376 transitions. Word has length 226 [2023-04-03 05:10:58,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:10:58,440 INFO L495 AbstractCegarLoop]: Abstraction has 12193 states and 17376 transitions. [2023-04-03 05:10:58,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 05:10:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12193 states and 17376 transitions. [2023-04-03 05:10:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 05:10:58,448 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:10:58,448 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2023-04-03 05:10:58,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:10:58,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:10:58,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:10:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash 559107551, now seen corresponding path program 1 times [2023-04-03 05:10:58,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:10:58,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057538958] [2023-04-03 05:10:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:10:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:10:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:10:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-03 05:10:59,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:10:59,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057538958] [2023-04-03 05:10:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057538958] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:10:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:10:59,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:10:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844339859] [2023-04-03 05:10:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:10:59,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:10:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:10:59,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:10:59,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:10:59,231 INFO L87 Difference]: Start difference. First operand 12193 states and 17376 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 05:11:06,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:08,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:10,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:12,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:14,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:16,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:24,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:26,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:28,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:30,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:11:32,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:38,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:40,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:42,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:45,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:47,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:49,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:51,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:12:01,598 INFO L93 Difference]: Finished difference Result 37721 states and 60452 transitions. [2023-04-03 05:12:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 05:12:01,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) Word has length 229 [2023-04-03 05:12:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:12:01,720 INFO L225 Difference]: With dead ends: 37721 [2023-04-03 05:12:01,721 INFO L226 Difference]: Without dead ends: 25564 [2023-04-03 05:12:01,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-03 05:12:01,772 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 3990 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 9428 mSolverCounterSat, 2098 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4461 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 11542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 9428 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:12:01,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4461 Valid, 1298 Invalid, 11542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2098 Valid, 9428 Invalid, 16 Unknown, 0 Unchecked, 59.9s Time] [2023-04-03 05:12:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25564 states. [2023-04-03 05:12:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25564 to 25084. [2023-04-03 05:12:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25084 states, 14108 states have (on average 1.3094698043663169) internal successors, (18474), 15535 states have internal predecessors, (18474), 7429 states have call successors, (7429), 2887 states have call predecessors, (7429), 3546 states have return successors, (15141), 7385 states have call predecessors, (15141), 7422 states have call successors, (15141) [2023-04-03 05:12:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25084 states to 25084 states and 41044 transitions. [2023-04-03 05:12:04,109 INFO L78 Accepts]: Start accepts. Automaton has 25084 states and 41044 transitions. Word has length 229 [2023-04-03 05:12:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:12:04,110 INFO L495 AbstractCegarLoop]: Abstraction has 25084 states and 41044 transitions. [2023-04-03 05:12:04,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) [2023-04-03 05:12:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25084 states and 41044 transitions. [2023-04-03 05:12:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-03 05:12:04,122 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:12:04,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-04-03 05:12:04,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:12:04,122 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:12:04,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:12:04,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1414860810, now seen corresponding path program 1 times [2023-04-03 05:12:04,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:12:04,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028954555] [2023-04-03 05:12:04,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:12:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:12:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:12:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-04-03 05:12:04,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:12:04,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028954555] [2023-04-03 05:12:04,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028954555] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:12:04,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:12:04,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 05:12:04,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171789507] [2023-04-03 05:12:04,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:12:04,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 05:12:04,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:12:04,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 05:12:04,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 05:12:04,580 INFO L87 Difference]: Start difference. First operand 25084 states and 41044 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 5 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 05:12:09,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:12:11,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:12:13,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:12:15,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:12:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:19,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:28,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:30,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:34,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:12:43,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:12:43,530 INFO L93 Difference]: Finished difference Result 50192 states and 86569 transitions. [2023-04-03 05:12:43,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 05:12:43,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 5 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) Word has length 236 [2023-04-03 05:12:43,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:12:43,620 INFO L225 Difference]: With dead ends: 50192 [2023-04-03 05:12:43,621 INFO L226 Difference]: Without dead ends: 24440 [2023-04-03 05:12:43,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-04-03 05:12:43,702 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 2491 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 8172 mSolverCounterSat, 1998 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 10178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1998 IncrementalHoareTripleChecker+Valid, 8172 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:12:43,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 835 Invalid, 10178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1998 Valid, 8172 Invalid, 8 Unknown, 0 Unchecked, 36.5s Time] [2023-04-03 05:12:43,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24440 states. [2023-04-03 05:12:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24440 to 24440. [2023-04-03 05:12:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24440 states, 13794 states have (on average 1.2952733072350298) internal successors, (17867), 15007 states have internal predecessors, (17867), 7159 states have call successors, (7159), 2874 states have call predecessors, (7159), 3486 states have return successors, (13799), 7103 states have call predecessors, (13799), 7152 states have call successors, (13799) [2023-04-03 05:12:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24440 states to 24440 states and 38825 transitions. [2023-04-03 05:12:45,890 INFO L78 Accepts]: Start accepts. Automaton has 24440 states and 38825 transitions. Word has length 236 [2023-04-03 05:12:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:12:45,890 INFO L495 AbstractCegarLoop]: Abstraction has 24440 states and 38825 transitions. [2023-04-03 05:12:45,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 5 states have call successors, (43), 3 states have call predecessors, (43), 4 states have return successors, (40), 6 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 05:12:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 24440 states and 38825 transitions. [2023-04-03 05:12:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 05:12:45,916 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:12:45,916 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2023-04-03 05:12:45,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:12:45,916 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:12:45,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:12:45,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1829665695, now seen corresponding path program 1 times [2023-04-03 05:12:45,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:12:45,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376603969] [2023-04-03 05:12:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:12:45,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:12:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:12:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-03 05:12:46,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:12:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376603969] [2023-04-03 05:12:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376603969] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:12:46,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:12:46,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 05:12:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156294983] [2023-04-03 05:12:46,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:12:46,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:12:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:12:46,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:12:46,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:12:46,667 INFO L87 Difference]: Start difference. First operand 24440 states and 38825 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39)