/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 EqDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 14:01:42,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 14:01:42,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 14:01:42,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 14:01:42,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 14:01:42,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 14:01:42,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 14:01:42,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 14:01:42,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 14:01:42,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 14:01:42,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 14:01:42,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 14:01:42,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 14:01:42,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 14:01:42,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 14:01:42,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 14:01:42,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 14:01:42,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 14:01:42,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 14:01:42,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 14:01:42,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 14:01:42,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 14:01:42,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 14:01:42,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 14:01:42,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 14:01:42,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 14:01:42,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 14:01:42,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 14:01:42,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 14:01:42,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 14:01:42,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 14:01:42,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 14:01:42,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 14:01:42,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 14:01:42,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 14:01:42,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 14:01:42,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 14:01:42,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 14:01:42,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 14:01:42,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 14:01:42,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 14:01:42,890 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 [2023-04-01 14:01:42,920 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 14:01:42,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 14:01:42,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 14:01:42,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 14:01:42,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 14:01:42,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 14:01:42,921 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 14:01:42,921 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 14:01:42,921 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 14:01:42,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 14:01:42,921 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 14:01:42,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 14:01:42,922 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 14:01:42,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 14:01:42,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 14:01:42,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 14:01:42,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 14:01:42,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 14:01:42,926 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 14:01:42,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 14:01:42,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 14:01:42,927 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 14:01:42,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 14:01:42,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 14:01:42,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 14:01:42,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 14:01:43,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 14:01:43,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 14:01:43,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 14:01:43,148 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 14:01:43,148 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 14:01:43,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-04-01 14:01:44,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 14:01:44,941 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 14:01:44,942 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-04-01 14:01:45,008 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d85220a8/3155a6f06089471bb40230db085d4525/FLAGc4e4eb82e [2023-04-01 14:01:45,021 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d85220a8/3155a6f06089471bb40230db085d4525 [2023-04-01 14:01:45,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 14:01:45,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 14:01:45,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 14:01:45,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 14:01:45,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 14:01:45,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 02:01:45" (1/1) ... [2023-04-01 14:01:45,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:45, skipping insertion in model container [2023-04-01 14:01:45,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 02:01:45" (1/1) ... [2023-04-01 14:01:45,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 14:01:45,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 14:01:46,636 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-04-01 14:01:46,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 14:01:46,747 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 14:01:47,072 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-04-01 14:01:47,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 14:01:47,209 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 14:01:47,209 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 14:01:47,209 WARN L667 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 14:01:47,209 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 14:01:47,209 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 14:01:47,215 INFO L208 MainTranslator]: Completed translation [2023-04-01 14:01:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47 WrapperNode [2023-04-01 14:01:47,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 14:01:47,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 14:01:47,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 14:01:47,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 14:01:47,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 14:01:47,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 14:01:47,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 14:01:47,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 14:01:47,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (1/1) ... [2023-04-01 14:01:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 14:01:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 14:01:47,702 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) [2023-04-01 14:01:47,717 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 [2023-04-01 14:01:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 14:01:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-01 14:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 14:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2023-04-01 14:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-01 14:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2023-04-01 14:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 14:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 14:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-01 14:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-04-01 14:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2023-04-01 14:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-01 14:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-01 14:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-01 14:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-01 14:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2023-04-01 14:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-01 14:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-01 14:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2023-04-01 14:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-01 14:01:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_minor [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2023-04-01 14:01:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-04-01 14:01:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-04-01 14:01:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-04-01 14:01:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2023-04-01 14:01:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2023-04-01 14:01:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-04-01 14:01:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-04-01 14:01:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_serial_change [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_usage [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-04-01 14:01:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2023-04-01 14:01:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2023-04-01 14:01:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-04-01 14:01:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-04-01 14:01:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2023-04-01 14:01:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-04-01 14:01:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2023-04-01 14:01:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2023-04-01 14:01:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2023-04-01 14:01:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-01 14:01:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_4 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_2 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-01 14:01:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-01 14:01:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_32 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_33 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_34 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_35 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2023-04-01 14:01:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_38 [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_40 [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_41 [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 14:01:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2023-04-01 14:01:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-01 14:01:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 14:01:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-01 14:01:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-01 14:01:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-01 14:01:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2023-04-01 14:01:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 14:01:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 14:01:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 14:01:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 14:01:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 14:01:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 14:01:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 14:01:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 14:01:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-01 14:01:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 14:01:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-01 14:01:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_38 [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-01 14:01:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 14:01:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_4 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_2 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-01 14:01:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-01 14:01:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2023-04-01 14:01:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2023-04-01 14:01:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-01 14:01:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 14:01:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2023-04-01 14:01:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_40 [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_41 [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_34 [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2023-04-01 14:01:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_32 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_33 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_35 [2023-04-01 14:01:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_minor [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-04-01 14:01:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2023-04-01 14:01:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-04-01 14:01:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure wait_serial_change [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_usage [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2023-04-01 14:01:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2023-04-01 14:01:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 14:01:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 14:01:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 14:01:48,484 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 14:01:48,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 14:01:48,797 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 14:02:04,842 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 14:02:06,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 14:02:06,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 14:02:06,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 02:02:06 BoogieIcfgContainer [2023-04-01 14:02:06,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 14:02:06,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 14:02:06,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 14:02:06,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 14:02:06,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 02:01:45" (1/3) ... [2023-04-01 14:02:06,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc52b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 02:02:06, skipping insertion in model container [2023-04-01 14:02:06,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 02:01:47" (2/3) ... [2023-04-01 14:02:06,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc52b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 02:02:06, skipping insertion in model container [2023-04-01 14:02:06,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 02:02:06" (3/3) ... [2023-04-01 14:02:06,423 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-04-01 14:02:06,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 14:02:06,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 14:02:06,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 14:02:06,542 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;@78a81a29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 14:02:06,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 14:02:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1881 states, 1098 states have (on average 1.278688524590164) internal successors, (1404), 1129 states have internal predecessors, (1404), 546 states have call successors, (546), 224 states have call predecessors, (546), 223 states have return successors, (537), 536 states have call predecessors, (537), 537 states have call successors, (537) [2023-04-01 14:02:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-04-01 14:02:06,591 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 14:02:06,592 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 14:02:06,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 14:02:06,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 14:02:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1567850739, now seen corresponding path program 1 times [2023-04-01 14:02:06,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 14:02:06,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425189064] [2023-04-01 14:02:06,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 14:02:06,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 14:02:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 14:02:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2023-04-01 14:02:08,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 14:02:08,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425189064] [2023-04-01 14:02:08,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425189064] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 14:02:08,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 14:02:08,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 14:02:08,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951854064] [2023-04-01 14:02:08,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 14:02:08,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 14:02:08,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 14:02:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 14:02:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 14:02:08,485 INFO L87 Difference]: Start difference. First operand has 1881 states, 1098 states have (on average 1.278688524590164) internal successors, (1404), 1129 states have internal predecessors, (1404), 546 states have call successors, (546), 224 states have call predecessors, (546), 223 states have return successors, (537), 536 states have call predecessors, (537), 537 states have call successors, (537) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 14:02:09,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 14:02:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 14:02:12,748 INFO L93 Difference]: Finished difference Result 4899 states and 6576 transitions. [2023-04-01 14:02:12,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 14:02:12,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 290 [2023-04-01 14:02:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 14:02:12,783 INFO L225 Difference]: With dead ends: 4899 [2023-04-01 14:02:12,783 INFO L226 Difference]: Without dead ends: 3179 [2023-04-01 14:02:12,800 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 [2023-04-01 14:02:12,803 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2078 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-04-01 14:02:12,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 4011 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-04-01 14:02:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2023-04-01 14:02:13,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3175. [2023-04-01 14:02:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 1885 states have (on average 1.2816976127320956) internal successors, (2416), 1928 states have internal predecessors, (2416), 896 states have call successors, (896), 395 states have call predecessors, (896), 393 states have return successors, (894), 891 states have call predecessors, (894), 894 states have call successors, (894) [2023-04-01 14:02:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4206 transitions. [2023-04-01 14:02:13,038 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4206 transitions. Word has length 290 [2023-04-01 14:02:13,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 14:02:13,044 INFO L495 AbstractCegarLoop]: Abstraction has 3175 states and 4206 transitions. [2023-04-01 14:02:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 14:02:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4206 transitions. [2023-04-01 14:02:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-04-01 14:02:13,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 14:02:13,055 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 14:02:13,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 14:02:13,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 14:02:13,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 14:02:13,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1981348768, now seen corresponding path program 1 times [2023-04-01 14:02:13,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 14:02:13,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207196658] [2023-04-01 14:02:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 14:02:13,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 14:02:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 14:02:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2023-04-01 14:02:14,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 14:02:14,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207196658] [2023-04-01 14:02:14,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207196658] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 14:02:14,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 14:02:14,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 14:02:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935138562] [2023-04-01 14:02:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 14:02:14,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 14:02:14,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 14:02:14,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 14:02:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 14:02:14,394 INFO L87 Difference]: Start difference. First operand 3175 states and 4206 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-01 14:02:15,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 14:02:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 14:02:18,086 INFO L93 Difference]: Finished difference Result 8045 states and 10603 transitions. [2023-04-01 14:02:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 14:02:18,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 300 [2023-04-01 14:02:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 14:02:18,117 INFO L225 Difference]: With dead ends: 8045 [2023-04-01 14:02:18,117 INFO L226 Difference]: Without dead ends: 4930 [2023-04-01 14:02:18,130 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 [2023-04-01 14:02:18,131 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 1314 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 4129 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-04-01 14:02:18,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 4129 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-04-01 14:02:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2023-04-01 14:02:18,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4915. [2023-04-01 14:02:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4915 states, 2949 states have (on average 1.2875551034248898) internal successors, (3797), 3003 states have internal predecessors, (3797), 1332 states have call successors, (1332), 635 states have call predecessors, (1332), 633 states have return successors, (1332), 1326 states have call predecessors, (1332), 1330 states have call successors, (1332) [2023-04-01 14:02:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 6461 transitions. [2023-04-01 14:02:18,330 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 6461 transitions. Word has length 300 [2023-04-01 14:02:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 14:02:18,333 INFO L495 AbstractCegarLoop]: Abstraction has 4915 states and 6461 transitions. [2023-04-01 14:02:18,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-01 14:02:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 6461 transitions. [2023-04-01 14:02:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-04-01 14:02:18,339 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 14:02:18,339 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 14:02:18,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 14:02:18,340 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 14:02:18,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 14:02:18,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1661496026, now seen corresponding path program 1 times [2023-04-01 14:02:18,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 14:02:18,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303804020] [2023-04-01 14:02:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 14:02:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 14:02:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 14:02:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2023-04-01 14:02:19,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 14:02:19,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303804020] [2023-04-01 14:02:19,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303804020] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 14:02:19,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 14:02:19,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 14:02:19,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981761318] [2023-04-01 14:02:19,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 14:02:19,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 14:02:19,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 14:02:19,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 14:02:19,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 14:02:19,355 INFO L87 Difference]: Start difference. First operand 4915 states and 6461 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 14:02:20,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 14:02:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 14:02:23,146 INFO L93 Difference]: Finished difference Result 12450 states and 16336 transitions. [2023-04-01 14:02:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 14:02:23,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 296 [2023-04-01 14:02:23,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 14:02:23,188 INFO L225 Difference]: With dead ends: 12450 [2023-04-01 14:02:23,188 INFO L226 Difference]: Without dead ends: 7595 [2023-04-01 14:02:23,207 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 [2023-04-01 14:02:23,207 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 1565 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-04-01 14:02:23,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 4133 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-04-01 14:02:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7595 states. [2023-04-01 14:02:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7595 to 7592. [2023-04-01 14:02:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7592 states, 4554 states have (on average 1.2843653930610452) internal successors, (5849), 4646 states have internal predecessors, (5849), 2050 states have call successors, (2050), 989 states have call predecessors, (2050), 987 states have return successors, (2052), 2042 states have call predecessors, (2052), 2048 states have call successors, (2052) [2023-04-01 14:02:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 9951 transitions. [2023-04-01 14:02:23,526 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 9951 transitions. Word has length 296 [2023-04-01 14:02:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 14:02:23,527 INFO L495 AbstractCegarLoop]: Abstraction has 7592 states and 9951 transitions. [2023-04-01 14:02:23,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 14:02:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 9951 transitions. [2023-04-01 14:02:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-04-01 14:02:23,539 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 14:02:23,539 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 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] [2023-04-01 14:02:23,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 14:02:23,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 14:02:23,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 14:02:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1350547469, now seen corresponding path program 1 times [2023-04-01 14:02:23,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 14:02:23,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828629153] [2023-04-01 14:02:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 14:02:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 14:02:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 14:02:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2023-04-01 14:02:26,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 14:02:26,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828629153] [2023-04-01 14:02:26,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828629153] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 14:02:26,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 14:02:26,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 14:02:26,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761199040] [2023-04-01 14:02:26,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 14:02:26,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 14:02:26,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 14:02:26,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 14:02:26,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 14:02:26,790 INFO L87 Difference]: Start difference. First operand 7592 states and 9951 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-01 14:02:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 14:02:31,055 INFO L93 Difference]: Finished difference Result 7823 states and 10194 transitions. [2023-04-01 14:02:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 14:02:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 370 [2023-04-01 14:02:31,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 14:02:31,095 INFO L225 Difference]: With dead ends: 7823 [2023-04-01 14:02:31,095 INFO L226 Difference]: Without dead ends: 7820 [2023-04-01 14:02:31,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 14:02:31,100 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 2017 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-01 14:02:31,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 4253 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-04-01 14:02:31,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7820 states. [2023-04-01 14:02:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7820 to 7820. [2023-04-01 14:02:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7820 states, 4690 states have (on average 1.2816631130063967) internal successors, (6011), 4782 states have internal predecessors, (6011), 2086 states have call successors, (2086), 1045 states have call predecessors, (2086), 1043 states have return successors, (2088), 2078 states have call predecessors, (2088), 2084 states have call successors, (2088) [2023-04-01 14:02:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7820 states to 7820 states and 10185 transitions. [2023-04-01 14:02:31,480 INFO L78 Accepts]: Start accepts. Automaton has 7820 states and 10185 transitions. Word has length 370 [2023-04-01 14:02:31,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 14:02:31,482 INFO L495 AbstractCegarLoop]: Abstraction has 7820 states and 10185 transitions. [2023-04-01 14:02:31,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-01 14:02:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 7820 states and 10185 transitions. [2023-04-01 14:02:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-04-01 14:02:31,493 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 14:02:31,494 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 14:02:31,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 14:02:31,494 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 14:02:31,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 14:02:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1296649418, now seen corresponding path program 1 times [2023-04-01 14:02:31,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 14:02:31,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103278747] [2023-04-01 14:02:31,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 14:02:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 14:02:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 14:02:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2023-04-01 14:02:32,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 14:02:32,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103278747] [2023-04-01 14:02:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103278747] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 14:02:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 14:02:32,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 14:02:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970517148] [2023-04-01 14:02:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 14:02:32,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 14:02:32,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 14:02:32,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 14:02:32,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 14:02:32,828 INFO L87 Difference]: Start difference. First operand 7820 states and 10185 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48)