/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 IntervalDomain -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:15:16,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:15:16,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:15:16,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:15:16,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:15:16,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:15:16,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:15:16,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:15:16,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:15:16,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:15:16,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:15:16,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:15:16,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:15:16,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:15:16,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:15:16,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:15:16,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:15:16,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:15:16,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:15:16,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:15:16,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:15:17,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:15:17,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:15:17,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:15:17,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:15:17,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:15:17,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:15:17,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:15:17,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:15:17,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:15:17,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:15:17,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:15:17,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:15:17,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:15:17,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:15:17,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:15:17,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:15:17,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:15:17,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:15:17,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:15:17,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:15:17,010 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 01:15:17,025 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:15:17,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:15:17,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:15:17,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:15:17,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:15:17,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:15:17,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:15:17,038 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:15:17,038 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:15:17,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:15:17,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:15:17,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:15:17,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:15:17,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:15:17,041 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:15:17,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:15:17,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:15:17,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:15:17,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:15:17,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:15:17,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:15:17,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:15:17,266 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:15:17,267 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:15:17,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-04-01 01:15:18,313 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:15:18,752 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:15:18,753 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-04-01 01:15:18,784 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf360fb2d/56300cc005f94b2e8dcb2ace7a422a5d/FLAG8fa817794 [2023-04-01 01:15:18,799 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf360fb2d/56300cc005f94b2e8dcb2ace7a422a5d [2023-04-01 01:15:18,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:15:18,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:15:18,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:15:18,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:15:18,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:15:18,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:15:18" (1/1) ... [2023-04-01 01:15:18,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df379ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:18, skipping insertion in model container [2023-04-01 01:15:18,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:15:18" (1/1) ... [2023-04-01 01:15:18,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:15:18,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:15:19,677 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-04-01 01:15:20,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:15:20,256 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:15:20,333 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-04-01 01:15:20,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:15:20,561 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:15:20,562 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:15:20,566 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:15:20,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20 WrapperNode [2023-04-01 01:15:20,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:15:20,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:15:20,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:15:20,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:15:20,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:15:20,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:15:20,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:15:20,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:15:20,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (1/1) ... [2023-04-01 01:15:20,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:15:20,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:15:20,878 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 01:15:20,896 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 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 01:15:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 01:15:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 01:15:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-04-01 01:15:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2023-04-01 01:15:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2023-04-01 01:15:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2023-04-01 01:15:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-04-01 01:15:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_init [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_exit [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2023-04-01 01:15:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_3 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_9 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-04-01 01:15:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_12 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_14 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_17 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_18 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_20 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_23 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2023-04-01 01:15:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-04-01 01:15:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_29 [2023-04-01 01:15:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-04-01 01:15:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2023-04-01 01:15:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_36 [2023-04-01 01:15:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_37 [2023-04-01 01:15:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-01 01:15:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-01 01:15:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-01 01:15:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_4 [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-01 01:15:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 01:15:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:15:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 01:15:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_9 [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_29 [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 01:15:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2023-04-01 01:15:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 01:15:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 01:15:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-01 01:15:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-01 01:15:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-01 01:15:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-01 01:15:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-04-01 01:15:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_14 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_20 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_36 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_37 [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-01 01:15:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_12 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_3 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_17 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_18 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_23 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-01 01:15:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:15:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-01 01:15:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2023-04-01 01:15:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2023-04-01 01:15:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_init [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_exit [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_4 [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:15:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:15:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:15:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 01:15:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 01:15:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 01:15:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 01:15:21,520 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:15:21,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:15:21,631 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:15:28,353 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-01 01:15:41,094 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:15:42,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:15:42,594 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 01:15:42,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:15:42 BoogieIcfgContainer [2023-04-01 01:15:42,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:15:42,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:15:42,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:15:42,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:15:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:15:18" (1/3) ... [2023-04-01 01:15:42,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ccb2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:15:42, skipping insertion in model container [2023-04-01 01:15:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:15:20" (2/3) ... [2023-04-01 01:15:42,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ccb2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:15:42, skipping insertion in model container [2023-04-01 01:15:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:15:42" (3/3) ... [2023-04-01 01:15:42,604 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-04-01 01:15:42,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:15:42,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:15:42,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:15:42,682 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;@624ed3f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:15:42,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:15:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 1726 states, 1022 states have (on average 1.2915851272015655) internal successors, (1320), 1068 states have internal predecessors, (1320), 517 states have call successors, (517), 180 states have call predecessors, (517), 178 states have return successors, (506), 499 states have call predecessors, (506), 506 states have call successors, (506) [2023-04-01 01:15:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-01 01:15:42,711 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:15:42,712 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:42,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:15:42,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:15:42,716 INFO L85 PathProgramCache]: Analyzing trace with hash -576383145, now seen corresponding path program 1 times [2023-04-01 01:15:42,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:15:42,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397445965] [2023-04-01 01:15:42,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:15:42,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:15:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:15:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-04-01 01:15:43,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:15:43,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397445965] [2023-04-01 01:15:43,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397445965] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:15:43,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:15:43,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:15:43,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94409401] [2023-04-01 01:15:43,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:15:43,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:15:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:15:43,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:15:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:15:43,530 INFO L87 Difference]: Start difference. First operand has 1726 states, 1022 states have (on average 1.2915851272015655) internal successors, (1320), 1068 states have internal predecessors, (1320), 517 states have call successors, (517), 180 states have call predecessors, (517), 178 states have return successors, (506), 499 states have call predecessors, (506), 506 states have call successors, (506) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:15:47,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:15:48,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:15:48,334 INFO L93 Difference]: Finished difference Result 4820 states and 6580 transitions. [2023-04-01 01:15:48,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:15:48,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 90 [2023-04-01 01:15:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:15:48,362 INFO L225 Difference]: With dead ends: 4820 [2023-04-01 01:15:48,362 INFO L226 Difference]: Without dead ends: 3168 [2023-04-01 01:15:48,371 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 01:15:48,373 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2120 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-01 01:15:48,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 4084 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-01 01:15:48,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2023-04-01 01:15:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2023-04-01 01:15:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 1894 states have (on average 1.282998944033791) internal successors, (2430), 1951 states have internal predecessors, (2430), 941 states have call successors, (941), 335 states have call predecessors, (941), 332 states have return successors, (934), 921 states have call predecessors, (934), 934 states have call successors, (934) [2023-04-01 01:15:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4305 transitions. [2023-04-01 01:15:48,642 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4305 transitions. Word has length 90 [2023-04-01 01:15:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:15:48,644 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4305 transitions. [2023-04-01 01:15:48,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:15:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4305 transitions. [2023-04-01 01:15:48,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-04-01 01:15:48,650 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:15:48,650 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:48,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:15:48,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:15:48,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:15:48,651 INFO L85 PathProgramCache]: Analyzing trace with hash -777319572, now seen corresponding path program 1 times [2023-04-01 01:15:48,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:15:48,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037932912] [2023-04-01 01:15:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:15:48,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:15:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:15:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-01 01:15:49,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:15:49,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037932912] [2023-04-01 01:15:49,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037932912] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:15:49,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:15:49,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:15:49,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148708419] [2023-04-01 01:15:49,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:15:49,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:15:49,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:15:49,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:15:49,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:15:49,476 INFO L87 Difference]: Start difference. First operand 3168 states and 4305 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:15:52,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:15:52,140 INFO L93 Difference]: Finished difference Result 5645 states and 7666 transitions. [2023-04-01 01:15:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:15:52,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2023-04-01 01:15:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:15:52,173 INFO L225 Difference]: With dead ends: 5645 [2023-04-01 01:15:52,174 INFO L226 Difference]: Without dead ends: 5642 [2023-04-01 01:15:52,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:15:52,181 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 1717 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:15:52,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 4070 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 01:15:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5642 states. [2023-04-01 01:15:52,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5642 to 5630. [2023-04-01 01:15:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5630 states, 3386 states have (on average 1.2867690490253987) internal successors, (4357), 3490 states have internal predecessors, (4357), 1648 states have call successors, (1648), 607 states have call predecessors, (1648), 595 states have return successors, (1644), 1602 states have call predecessors, (1644), 1640 states have call successors, (1644) [2023-04-01 01:15:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5630 states to 5630 states and 7649 transitions. [2023-04-01 01:15:52,396 INFO L78 Accepts]: Start accepts. Automaton has 5630 states and 7649 transitions. Word has length 103 [2023-04-01 01:15:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:15:52,397 INFO L495 AbstractCegarLoop]: Abstraction has 5630 states and 7649 transitions. [2023-04-01 01:15:52,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:15:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5630 states and 7649 transitions. [2023-04-01 01:15:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-04-01 01:15:52,400 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:15:52,400 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:52,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:15:52,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:15:52,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:15:52,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1671976583, now seen corresponding path program 1 times [2023-04-01 01:15:52,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:15:52,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720720275] [2023-04-01 01:15:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:15:52,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:15:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:15:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-01 01:15:53,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:15:53,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720720275] [2023-04-01 01:15:53,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720720275] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:15:53,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:15:53,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:15:53,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972237496] [2023-04-01 01:15:53,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:15:53,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:15:53,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:15:53,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:15:53,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:15:53,049 INFO L87 Difference]: Start difference. First operand 5630 states and 7649 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:15:55,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:15:56,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:15:57,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:15:57,779 INFO L93 Difference]: Finished difference Result 13490 states and 18330 transitions. [2023-04-01 01:15:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:15:57,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2023-04-01 01:15:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:15:57,816 INFO L225 Difference]: With dead ends: 13490 [2023-04-01 01:15:57,816 INFO L226 Difference]: Without dead ends: 7891 [2023-04-01 01:15:57,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:15:57,836 INFO L413 NwaCegarLoop]: 2098 mSDtfsCounter, 1571 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:15:57,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 4084 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-01 01:15:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7891 states. [2023-04-01 01:15:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7891 to 7881. [2023-04-01 01:15:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7881 states, 4759 states have (on average 1.289556629544022) internal successors, (6137), 4904 states have internal predecessors, (6137), 2283 states have call successors, (2283), 857 states have call predecessors, (2283), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-01 01:15:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 10700 transitions. [2023-04-01 01:15:58,226 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 10700 transitions. Word has length 104 [2023-04-01 01:15:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:15:58,226 INFO L495 AbstractCegarLoop]: Abstraction has 7881 states and 10700 transitions. [2023-04-01 01:15:58,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:15:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 10700 transitions. [2023-04-01 01:15:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-04-01 01:15:58,233 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:15:58,233 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:58,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:15:58,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:15:58,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:15:58,234 INFO L85 PathProgramCache]: Analyzing trace with hash 290750927, now seen corresponding path program 1 times [2023-04-01 01:15:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:15:58,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203431722] [2023-04-01 01:15:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:15:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:15:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:15:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-01 01:15:58,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:15:58,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203431722] [2023-04-01 01:15:58,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203431722] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:15:58,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:15:58,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:15:58,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766113207] [2023-04-01 01:15:58,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:15:58,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:15:58,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:15:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:15:58,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:15:58,527 INFO L87 Difference]: Start difference. First operand 7881 states and 10700 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:01,312 INFO L93 Difference]: Finished difference Result 7889 states and 10707 transitions. [2023-04-01 01:16:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2023-04-01 01:16:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:01,338 INFO L225 Difference]: With dead ends: 7889 [2023-04-01 01:16:01,338 INFO L226 Difference]: Without dead ends: 7886 [2023-04-01 01:16:01,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:16:01,341 INFO L413 NwaCegarLoop]: 2099 mSDtfsCounter, 1568 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:01,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 4081 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 01:16:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2023-04-01 01:16:01,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7882. [2023-04-01 01:16:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4760 states have (on average 1.2894957983193278) internal successors, (6138), 4905 states have internal predecessors, (6138), 2283 states have call successors, (2283), 857 states have call predecessors, (2283), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-01 01:16:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 10701 transitions. [2023-04-01 01:16:01,557 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 10701 transitions. Word has length 105 [2023-04-01 01:16:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:01,557 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 10701 transitions. [2023-04-01 01:16:01,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 10701 transitions. [2023-04-01 01:16:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-04-01 01:16:01,559 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:01,559 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:01,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:16:01,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:01,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash 422433418, now seen corresponding path program 1 times [2023-04-01 01:16:01,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:01,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741400089] [2023-04-01 01:16:01,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:01,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-01 01:16:01,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:01,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741400089] [2023-04-01 01:16:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741400089] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767838525] [2023-04-01 01:16:01,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:01,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:01,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:01,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:01,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:01,775 INFO L87 Difference]: Start difference. First operand 7882 states and 10701 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:03,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:16:03,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:03,926 INFO L93 Difference]: Finished difference Result 7884 states and 10702 transitions. [2023-04-01 01:16:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2023-04-01 01:16:03,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:03,957 INFO L225 Difference]: With dead ends: 7884 [2023-04-01 01:16:03,958 INFO L226 Difference]: Without dead ends: 7881 [2023-04-01 01:16:03,962 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 01:16:03,964 INFO L413 NwaCegarLoop]: 2024 mSDtfsCounter, 2175 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:03,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 2025 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-01 01:16:03,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2023-04-01 01:16:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7881. [2023-04-01 01:16:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7881 states, 4760 states have (on average 1.2892857142857144) internal successors, (6137), 4904 states have internal predecessors, (6137), 2282 states have call successors, (2282), 857 states have call predecessors, (2282), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-01 01:16:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 10699 transitions. [2023-04-01 01:16:04,260 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 10699 transitions. Word has length 106 [2023-04-01 01:16:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:04,261 INFO L495 AbstractCegarLoop]: Abstraction has 7881 states and 10699 transitions. [2023-04-01 01:16:04,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 10699 transitions. [2023-04-01 01:16:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-04-01 01:16:04,263 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:04,264 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:04,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:16:04,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:04,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:04,264 INFO L85 PathProgramCache]: Analyzing trace with hash 209628210, now seen corresponding path program 1 times [2023-04-01 01:16:04,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:04,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040055093] [2023-04-01 01:16:04,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:04,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-01 01:16:04,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:04,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040055093] [2023-04-01 01:16:04,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040055093] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:04,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:04,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:04,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141231237] [2023-04-01 01:16:04,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:04,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:04,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:04,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:04,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:04,431 INFO L87 Difference]: Start difference. First operand 7881 states and 10699 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:05,825 INFO L93 Difference]: Finished difference Result 7883 states and 10700 transitions. [2023-04-01 01:16:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2023-04-01 01:16:05,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:05,857 INFO L225 Difference]: With dead ends: 7883 [2023-04-01 01:16:05,858 INFO L226 Difference]: Without dead ends: 7863 [2023-04-01 01:16:05,861 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 01:16:05,862 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 2172 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:05,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 2024 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 01:16:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7863 states. [2023-04-01 01:16:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7863 to 7863. [2023-04-01 01:16:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7863 states, 4750 states have (on average 1.2892631578947369) internal successors, (6124), 4893 states have internal predecessors, (6124), 2277 states have call successors, (2277), 853 states have call predecessors, (2277), 835 states have return successors, (2277), 2212 states have call predecessors, (2277), 2271 states have call successors, (2277) [2023-04-01 01:16:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7863 states to 7863 states and 10678 transitions. [2023-04-01 01:16:06,127 INFO L78 Accepts]: Start accepts. Automaton has 7863 states and 10678 transitions. Word has length 107 [2023-04-01 01:16:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:06,127 INFO L495 AbstractCegarLoop]: Abstraction has 7863 states and 10678 transitions. [2023-04-01 01:16:06,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 01:16:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 7863 states and 10678 transitions. [2023-04-01 01:16:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-01 01:16:06,134 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:06,134 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2023-04-01 01:16:06,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 01:16:06,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:06,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1635726273, now seen corresponding path program 1 times [2023-04-01 01:16:06,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22243612] [2023-04-01 01:16:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 01:16:06,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:06,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22243612] [2023-04-01 01:16:06,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22243612] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:06,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:06,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:06,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442195736] [2023-04-01 01:16:06,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:06,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:06,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:06,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:06,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:06,362 INFO L87 Difference]: Start difference. First operand 7863 states and 10678 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 01:16:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:09,620 INFO L93 Difference]: Finished difference Result 21766 states and 29572 transitions. [2023-04-01 01:16:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 180 [2023-04-01 01:16:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:09,712 INFO L225 Difference]: With dead ends: 21766 [2023-04-01 01:16:09,712 INFO L226 Difference]: Without dead ends: 13934 [2023-04-01 01:16:09,764 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 01:16:09,765 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 1438 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 4046 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-01 01:16:09,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13934 states. [2023-04-01 01:16:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13934 to 13882. [2023-04-01 01:16:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13882 states, 8437 states have (on average 1.296195330093635) internal successors, (10936), 8694 states have internal predecessors, (10936), 3965 states have call successors, (3965), 1497 states have call predecessors, (3965), 1479 states have return successors, (3965), 3864 states have call predecessors, (3965), 3959 states have call successors, (3965) [2023-04-01 01:16:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13882 states to 13882 states and 18866 transitions. [2023-04-01 01:16:10,313 INFO L78 Accepts]: Start accepts. Automaton has 13882 states and 18866 transitions. Word has length 180 [2023-04-01 01:16:10,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:10,313 INFO L495 AbstractCegarLoop]: Abstraction has 13882 states and 18866 transitions. [2023-04-01 01:16:10,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 01:16:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 13882 states and 18866 transitions. [2023-04-01 01:16:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-01 01:16:10,326 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:10,327 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 01:16:10,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 01:16:10,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:10,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:10,327 INFO L85 PathProgramCache]: Analyzing trace with hash 676095283, now seen corresponding path program 1 times [2023-04-01 01:16:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:10,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448866964] [2023-04-01 01:16:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-04-01 01:16:10,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448866964] [2023-04-01 01:16:10,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448866964] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:10,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:10,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:10,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673603042] [2023-04-01 01:16:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:10,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:10,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:10,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:10,497 INFO L87 Difference]: Start difference. First operand 13882 states and 18866 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 01:16:12,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:16:13,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:13,558 INFO L93 Difference]: Finished difference Result 21946 states and 29802 transitions. [2023-04-01 01:16:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:13,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2023-04-01 01:16:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:13,582 INFO L225 Difference]: With dead ends: 21946 [2023-04-01 01:16:13,582 INFO L226 Difference]: Without dead ends: 8105 [2023-04-01 01:16:13,615 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 01:16:13,615 INFO L413 NwaCegarLoop]: 2019 mSDtfsCounter, 2207 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:13,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 2030 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-04-01 01:16:13,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2023-04-01 01:16:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 8094. [2023-04-01 01:16:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8094 states, 4912 states have (on average 1.294788273615635) internal successors, (6360), 5062 states have internal predecessors, (6360), 2308 states have call successors, (2308), 884 states have call predecessors, (2308), 873 states have return successors, (2305), 2247 states have call predecessors, (2305), 2302 states have call successors, (2305) [2023-04-01 01:16:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8094 states to 8094 states and 10973 transitions. [2023-04-01 01:16:13,903 INFO L78 Accepts]: Start accepts. Automaton has 8094 states and 10973 transitions. Word has length 213 [2023-04-01 01:16:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:13,903 INFO L495 AbstractCegarLoop]: Abstraction has 8094 states and 10973 transitions. [2023-04-01 01:16:13,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 01:16:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 8094 states and 10973 transitions. [2023-04-01 01:16:13,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-01 01:16:13,916 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:13,916 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:13,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 01:16:13,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:13,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:13,917 INFO L85 PathProgramCache]: Analyzing trace with hash -784189784, now seen corresponding path program 1 times [2023-04-01 01:16:13,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:13,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255197104] [2023-04-01 01:16:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:13,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2023-04-01 01:16:14,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:14,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255197104] [2023-04-01 01:16:14,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255197104] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 01:16:14,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442773687] [2023-04-01 01:16:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:14,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:16:14,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:16:14,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:16:14,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 01:16:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:15,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 5053 conjuncts, 42 conjunts are in the unsatisfiable core [2023-04-01 01:16:15,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:16:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-04-01 01:16:16,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:16:16,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442773687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:16,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 01:16:16,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-04-01 01:16:16,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105716440] [2023-04-01 01:16:16,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:16,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:16:16,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:16,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:16:16,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:16:16,018 INFO L87 Difference]: Start difference. First operand 8094 states and 10973 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47)