/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 06:28:51,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 06:28:51,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 06:28:51,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 06:28:51,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 06:28:51,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 06:28:51,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 06:28:51,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 06:28:51,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 06:28:51,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 06:28:51,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 06:28:51,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 06:28:51,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 06:28:51,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 06:28:51,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 06:28:51,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 06:28:51,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 06:28:51,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 06:28:51,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 06:28:51,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 06:28:51,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 06:28:51,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 06:28:51,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 06:28:51,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 06:28:51,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 06:28:51,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 06:28:51,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 06:28:51,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 06:28:51,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 06:28:51,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 06:28:51,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 06:28:51,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 06:28:51,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 06:28:51,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 06:28:51,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 06:28:51,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 06:28:51,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 06:28:51,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 06:28:51,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 06:28:51,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 06:28:51,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 06:28:51,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 06:28:51,607 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 06:28:51,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 06:28:51,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 06:28:51,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 06:28:51,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 06:28:51,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 06:28:51,609 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 06:28:51,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 06:28:51,610 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 06:28:51,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 06:28:51,610 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 06:28:51,610 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 06:28:51,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 06:28:51,611 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 06:28:51,611 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 06:28:51,611 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 06:28:51,611 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 06:28:51,611 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 06:28:51,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 06:28:51,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 06:28:51,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 06:28:51,613 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 06:28:51,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 06:28:51,613 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 06:28:51,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 06:28:51,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:28:51,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 06:28:51,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 06:28:51,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 06:28:51,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 06:28:51,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 06:28:51,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 06:28:51,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 06:28:51,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 06:28:51,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 06:28:51,860 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 06:28:51,861 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 06:28:51,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-03 06:28:53,080 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 06:28:53,662 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 06:28:53,662 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-03 06:28:53,710 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dcaca16/b06b9a49e7614b8894b8c245e28f87aa/FLAGb0eff92a1 [2023-04-03 06:28:53,726 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42dcaca16/b06b9a49e7614b8894b8c245e28f87aa [2023-04-03 06:28:53,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 06:28:53,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 06:28:53,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 06:28:53,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 06:28:53,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 06:28:53,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:28:53" (1/1) ... [2023-04-03 06:28:53,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1e076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:53, skipping insertion in model container [2023-04-03 06:28:53,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:28:53" (1/1) ... [2023-04-03 06:28:53,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 06:28:53,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 06:28:55,864 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-04-03 06:28:55,925 WARN L633 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-04-03 06:28:55,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:28:55,975 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 06:28:56,250 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-04-03 06:28:56,254 WARN L633 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-04-03 06:28:56,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:28:56,425 WARN L667 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:28:56,425 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:28:56,425 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 06:28:56,432 INFO L208 MainTranslator]: Completed translation [2023-04-03 06:28:56,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56 WrapperNode [2023-04-03 06:28:56,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 06:28:56,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 06:28:56,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 06:28:56,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 06:28:56,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 06:28:56,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 06:28:56,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 06:28:56,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 06:28:56,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (1/1) ... [2023-04-03 06:28:56,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:28:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:28:56,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 06:28:56,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 06:28:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 06:28:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure div_s64_rem [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_divns [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_to_us [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 06:28:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-03 06:28:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-03 06:28:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 06:28:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 06:28:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 06:28:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 06:28:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 06:28:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-03 06:28:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-03 06:28:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 06:28:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 06:28:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 06:28:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_mtt [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_width_bits [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-04-03 06:28:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_pdev [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ndev [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_proc_ring [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_show [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_seq_open [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-04-03 06:28:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_create_hwif [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_rx_interrupt [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_rx [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_hard_start_xmit [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_interrupt [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_unarm_tx [2023-04-03 06:28:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_clock [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_clock [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_init_chip [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_interrupt [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_init [2023-04-03 06:28:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_probe [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_suspend [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_init [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_mod_exit [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_2 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-03 06:28:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-03 06:28:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_37 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_38 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_39 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 06:28:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 06:28:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_irdadev [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure async_wrap_skb [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 06:28:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_set_media_busy [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_init_max_qos_capabilies [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_qos_bits_to_value [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_open [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-04-03 06:28:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_2 [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-04-03 06:28:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 06:28:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_size [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-04-03 06:28:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 06:28:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 06:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 06:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 06:28:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 06:28:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure div_s64_rem [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_divns [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_to_us [2023-04-03 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-03 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_2 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_37 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_38 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_39 [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-04-03 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 06:28:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 06:28:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-04-03 06:28:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-04-03 06:28:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 06:28:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 06:28:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 06:28:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-04-03 06:28:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-04-03 06:28:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-03 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 06:28:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2023-04-03 06:28:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_size [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_mtt [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2023-04-03 06:28:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure calc_width_bits [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_pdev [2023-04-03 06:28:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ndev [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_proc_ring [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_show [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_seq_open [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_create_hwif [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_rx_interrupt [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_rx [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_hard_start_xmit [2023-04-03 06:28:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_interrupt [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_unarm_tx [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_clock [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_clock [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_init_chip [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_interrupt [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_init [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_probe [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_suspend [2023-04-03 06:28:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_init [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_mod_exit [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_2 [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 06:28:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 06:28:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 06:28:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 06:28:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 06:28:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:28:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 06:28:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 06:28:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 06:28:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 06:28:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 06:28:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 06:28:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 06:28:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 06:28:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 06:28:57,790 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 06:28:57,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 06:28:57,859 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 06:29:05,451 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 06:29:07,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 06:29:07,619 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 06:29:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:29:07 BoogieIcfgContainer [2023-04-03 06:29:07,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 06:29:07,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 06:29:07,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 06:29:07,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 06:29:07,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 06:28:53" (1/3) ... [2023-04-03 06:29:07,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674f433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:29:07, skipping insertion in model container [2023-04-03 06:29:07,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:28:56" (2/3) ... [2023-04-03 06:29:07,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674f433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:29:07, skipping insertion in model container [2023-04-03 06:29:07,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:29:07" (3/3) ... [2023-04-03 06:29:07,634 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-04-03 06:29:07,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 06:29:07,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 06:29:07,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 06:29:07,754 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;@7d8681ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 06:29:07,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 06:29:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 2092 states, 1176 states have (on average 1.2355442176870748) internal successors, (1453), 1222 states have internal predecessors, (1453), 680 states have call successors, (680), 224 states have call predecessors, (680), 223 states have return successors, (673), 671 states have call predecessors, (673), 673 states have call successors, (673) [2023-04-03 06:29:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-03 06:29:07,804 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:07,805 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:29:07,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:07,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:07,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1148085932, now seen corresponding path program 1 times [2023-04-03 06:29:07,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:07,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412953356] [2023-04-03 06:29:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:07,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-03 06:29:08,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:08,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412953356] [2023-04-03 06:29:08,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412953356] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:08,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:29:08,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:29:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486800284] [2023-04-03 06:29:08,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:08,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:29:08,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:08,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:29:08,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:29:08,891 INFO L87 Difference]: Start difference. First operand has 2092 states, 1176 states have (on average 1.2355442176870748) internal successors, (1453), 1222 states have internal predecessors, (1453), 680 states have call successors, (680), 224 states have call predecessors, (680), 223 states have return successors, (673), 671 states have call predecessors, (673), 673 states have call successors, (673) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 06:29:11,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:29:12,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:12,210 INFO L93 Difference]: Finished difference Result 4878 states and 6577 transitions. [2023-04-03 06:29:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:29:12,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2023-04-03 06:29:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:12,251 INFO L225 Difference]: With dead ends: 4878 [2023-04-03 06:29:12,252 INFO L226 Difference]: Without dead ends: 2990 [2023-04-03 06:29:12,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:29:12,268 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 1650 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:12,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 4411 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-03 06:29:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2023-04-03 06:29:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2974. [2023-04-03 06:29:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 1703 states have (on average 1.2436876100998238) internal successors, (2118), 1758 states have internal predecessors, (2118), 926 states have call successors, (926), 347 states have call predecessors, (926), 344 states have return successors, (930), 920 states have call predecessors, (930), 924 states have call successors, (930) [2023-04-03 06:29:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 3974 transitions. [2023-04-03 06:29:12,542 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 3974 transitions. Word has length 168 [2023-04-03 06:29:12,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:12,545 INFO L495 AbstractCegarLoop]: Abstraction has 2974 states and 3974 transitions. [2023-04-03 06:29:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 06:29:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3974 transitions. [2023-04-03 06:29:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-03 06:29:12,556 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:12,557 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-03 06:29:12,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 06:29:12,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:12,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1985479967, now seen corresponding path program 1 times [2023-04-03 06:29:12,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:12,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948014914] [2023-04-03 06:29:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:12,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:29:13,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:13,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948014914] [2023-04-03 06:29:13,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948014914] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:13,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:29:13,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:29:13,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949367926] [2023-04-03 06:29:13,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:13,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:29:13,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:13,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:29:13,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:29:13,741 INFO L87 Difference]: Start difference. First operand 2974 states and 3974 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:20,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:20,168 INFO L93 Difference]: Finished difference Result 8873 states and 11872 transitions. [2023-04-03 06:29:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:29:20,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 204 [2023-04-03 06:29:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:20,213 INFO L225 Difference]: With dead ends: 8873 [2023-04-03 06:29:20,214 INFO L226 Difference]: Without dead ends: 5934 [2023-04-03 06:29:20,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 06:29:20,232 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2416 mSDsluCounter, 6570 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 8778 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:20,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 8778 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-03 06:29:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5934 states. [2023-04-03 06:29:20,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5934 to 5909. [2023-04-03 06:29:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5909 states, 3387 states have (on average 1.2447593740773546) internal successors, (4216), 3504 states have internal predecessors, (4216), 1836 states have call successors, (1836), 689 states have call predecessors, (1836), 685 states have return successors, (1850), 1818 states have call predecessors, (1850), 1834 states have call successors, (1850) [2023-04-03 06:29:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 7902 transitions. [2023-04-03 06:29:20,584 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 7902 transitions. Word has length 204 [2023-04-03 06:29:20,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:20,587 INFO L495 AbstractCegarLoop]: Abstraction has 5909 states and 7902 transitions. [2023-04-03 06:29:20,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 7902 transitions. [2023-04-03 06:29:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-03 06:29:20,603 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:20,604 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-03 06:29:20,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 06:29:20,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:20,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:20,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1187682694, now seen corresponding path program 1 times [2023-04-03 06:29:20,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:20,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896050048] [2023-04-03 06:29:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:20,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:29:21,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:21,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896050048] [2023-04-03 06:29:21,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896050048] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:21,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:29:21,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:29:21,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003758709] [2023-04-03 06:29:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:21,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:29:21,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:29:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:29:21,344 INFO L87 Difference]: Start difference. First operand 5909 states and 7902 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:24,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:29:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:28,150 INFO L93 Difference]: Finished difference Result 12832 states and 17098 transitions. [2023-04-03 06:29:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:29:28,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 205 [2023-04-03 06:29:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:28,207 INFO L225 Difference]: With dead ends: 12832 [2023-04-03 06:29:28,208 INFO L226 Difference]: Without dead ends: 8885 [2023-04-03 06:29:28,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 06:29:28,228 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 2412 mSDsluCounter, 6598 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:28,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 8821 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-03 06:29:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8885 states. [2023-04-03 06:29:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8885 to 8850. [2023-04-03 06:29:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8850 states, 5079 states have (on average 1.2447332151998425) internal successors, (6322), 5248 states have internal predecessors, (6322), 2744 states have call successors, (2744), 1031 states have call predecessors, (2744), 1026 states have return successors, (2766), 2724 states have call predecessors, (2766), 2742 states have call successors, (2766) [2023-04-03 06:29:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 11832 transitions. [2023-04-03 06:29:28,648 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 11832 transitions. Word has length 205 [2023-04-03 06:29:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:28,649 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 11832 transitions. [2023-04-03 06:29:28,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 11832 transitions. [2023-04-03 06:29:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-03 06:29:28,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:28,658 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-03 06:29:28,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 06:29:28,659 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:28,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:28,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1561178556, now seen corresponding path program 1 times [2023-04-03 06:29:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351312689] [2023-04-03 06:29:28,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:28,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:29:29,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:29,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351312689] [2023-04-03 06:29:29,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351312689] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:29,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:29:29,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:29:29,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453164139] [2023-04-03 06:29:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:29,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:29:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:29,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:29:29,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:29:29,312 INFO L87 Difference]: Start difference. First operand 8850 states and 11832 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:34,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:34,446 INFO L93 Difference]: Finished difference Result 15783 states and 21032 transitions. [2023-04-03 06:29:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:29:34,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 206 [2023-04-03 06:29:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:34,502 INFO L225 Difference]: With dead ends: 15783 [2023-04-03 06:29:34,503 INFO L226 Difference]: Without dead ends: 8893 [2023-04-03 06:29:34,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 06:29:34,534 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 2410 mSDsluCounter, 6598 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:34,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 8821 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 06:29:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8893 states. [2023-04-03 06:29:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8893 to 8858. [2023-04-03 06:29:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8858 states, 5087 states have (on average 1.2443483389030863) internal successors, (6330), 5254 states have internal predecessors, (6330), 2742 states have call successors, (2742), 1033 states have call predecessors, (2742), 1028 states have return successors, (2764), 2724 states have call predecessors, (2764), 2740 states have call successors, (2764) [2023-04-03 06:29:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11836 transitions. [2023-04-03 06:29:34,958 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11836 transitions. Word has length 206 [2023-04-03 06:29:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:34,960 INFO L495 AbstractCegarLoop]: Abstraction has 8858 states and 11836 transitions. [2023-04-03 06:29:34,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11836 transitions. [2023-04-03 06:29:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-03 06:29:34,968 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:34,968 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-04-03 06:29:34,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 06:29:34,969 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:34,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash 409944061, now seen corresponding path program 1 times [2023-04-03 06:29:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073657128] [2023-04-03 06:29:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:29:35,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:35,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073657128] [2023-04-03 06:29:35,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073657128] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:35,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:29:35,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:29:35,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794707069] [2023-04-03 06:29:35,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:35,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:29:35,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:35,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:29:35,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:29:35,574 INFO L87 Difference]: Start difference. First operand 8858 states and 11836 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:40,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:40,883 INFO L93 Difference]: Finished difference Result 15535 states and 20655 transitions. [2023-04-03 06:29:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:29:40,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 207 [2023-04-03 06:29:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:40,928 INFO L225 Difference]: With dead ends: 15535 [2023-04-03 06:29:40,928 INFO L226 Difference]: Without dead ends: 8635 [2023-04-03 06:29:40,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-03 06:29:40,958 INFO L413 NwaCegarLoop]: 2225 mSDtfsCounter, 2408 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 8827 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:40,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 8827 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-03 06:29:40,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2023-04-03 06:29:41,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8606. [2023-04-03 06:29:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8606 states, 4940 states have (on average 1.2423076923076923) internal successors, (6137), 5093 states have internal predecessors, (6137), 2650 states have call successors, (2650), 1020 states have call predecessors, (2650), 1015 states have return successors, (2672), 2634 states have call predecessors, (2672), 2648 states have call successors, (2672) [2023-04-03 06:29:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8606 states to 8606 states and 11459 transitions. [2023-04-03 06:29:41,353 INFO L78 Accepts]: Start accepts. Automaton has 8606 states and 11459 transitions. Word has length 207 [2023-04-03 06:29:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:41,355 INFO L495 AbstractCegarLoop]: Abstraction has 8606 states and 11459 transitions. [2023-04-03 06:29:41,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 06:29:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8606 states and 11459 transitions. [2023-04-03 06:29:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-03 06:29:41,363 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:41,363 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:29:41,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 06:29:41,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:29:41,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:29:41,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2623546, now seen corresponding path program 1 times [2023-04-03 06:29:41,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:29:41,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962314657] [2023-04-03 06:29:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:41,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:29:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-04-03 06:29:42,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:29:42,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962314657] [2023-04-03 06:29:42,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962314657] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:29:42,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215799687] [2023-04-03 06:29:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:29:42,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:29:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:29:42,653 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) [2023-04-03 06:29:42,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 06:29:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:29:43,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 4746 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:29:43,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:29:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:29:43,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:29:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215799687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:29:43,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:29:43,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-04-03 06:29:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108374435] [2023-04-03 06:29:44,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:29:44,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:29:44,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:29:44,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:29:44,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-04-03 06:29:44,001 INFO L87 Difference]: Start difference. First operand 8606 states and 11459 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:29:48,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:29:55,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:29:57,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:29:59,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:29:59,028 INFO L93 Difference]: Finished difference Result 20207 states and 26932 transitions. [2023-04-03 06:29:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:29:59,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 220 [2023-04-03 06:29:59,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:29:59,208 INFO L225 Difference]: With dead ends: 20207 [2023-04-03 06:29:59,209 INFO L226 Difference]: Without dead ends: 14305 [2023-04-03 06:29:59,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-04-03 06:29:59,234 INFO L413 NwaCegarLoop]: 2824 mSDtfsCounter, 2453 mSDsluCounter, 13460 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16284 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:29:59,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 16284 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2023-04-03 06:29:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2023-04-03 06:29:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 14242. [2023-04-03 06:29:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14242 states, 8181 states have (on average 1.2428798435399095) internal successors, (10168), 8440 states have internal predecessors, (10168), 4374 states have call successors, (4374), 1689 states have call predecessors, (4374), 1686 states have return successors, (4432), 4344 states have call predecessors, (4432), 4372 states have call successors, (4432) [2023-04-03 06:29:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14242 states to 14242 states and 18974 transitions. [2023-04-03 06:29:59,900 INFO L78 Accepts]: Start accepts. Automaton has 14242 states and 18974 transitions. Word has length 220 [2023-04-03 06:29:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:29:59,902 INFO L495 AbstractCegarLoop]: Abstraction has 14242 states and 18974 transitions. [2023-04-03 06:29:59,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:29:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 14242 states and 18974 transitions. [2023-04-03 06:29:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-03 06:29:59,913 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:29:59,914 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:29:59,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 06:30:00,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 06:30:00,136 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:30:00,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:30:00,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1445786706, now seen corresponding path program 1 times [2023-04-03 06:30:00,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:30:00,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842137366] [2023-04-03 06:30:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:00,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:30:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:01,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:30:01,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842137366] [2023-04-03 06:30:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842137366] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:30:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892522258] [2023-04-03 06:30:01,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:01,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:30:01,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:30:01,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 06:30:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:02,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 4748 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:30:02,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:30:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:02,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:30:02,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892522258] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:30:02,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:30:02,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:30:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610199148] [2023-04-03 06:30:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:30:02,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:30:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:30:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:30:02,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:30:02,484 INFO L87 Difference]: Start difference. First operand 14242 states and 18974 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:06,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:30:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:30:14,149 INFO L93 Difference]: Finished difference Result 31501 states and 41988 transitions. [2023-04-03 06:30:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:30:14,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 221 [2023-04-03 06:30:14,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:30:14,232 INFO L225 Difference]: With dead ends: 31501 [2023-04-03 06:30:14,232 INFO L226 Difference]: Without dead ends: 19963 [2023-04-03 06:30:14,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-04-03 06:30:14,269 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 2453 mSDsluCounter, 13500 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16337 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-04-03 06:30:14,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 16337 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-04-03 06:30:14,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19963 states. [2023-04-03 06:30:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19963 to 19888. [2023-04-03 06:30:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19888 states, 11428 states have (on average 1.2429996499824991) internal successors, (14205), 11799 states have internal predecessors, (14205), 6098 states have call successors, (6098), 2358 states have call predecessors, (6098), 2361 states have return successors, (6206), 6052 states have call predecessors, (6206), 6096 states have call successors, (6206) [2023-04-03 06:30:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19888 states to 19888 states and 26509 transitions. [2023-04-03 06:30:15,247 INFO L78 Accepts]: Start accepts. Automaton has 19888 states and 26509 transitions. Word has length 221 [2023-04-03 06:30:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:30:15,248 INFO L495 AbstractCegarLoop]: Abstraction has 19888 states and 26509 transitions. [2023-04-03 06:30:15,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 19888 states and 26509 transitions. [2023-04-03 06:30:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 06:30:15,260 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:30:15,260 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:30:15,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 06:30:15,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 06:30:15,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:30:15,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:30:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2017916589, now seen corresponding path program 1 times [2023-04-03 06:30:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:30:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692840148] [2023-04-03 06:30:15,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:30:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:16,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:30:16,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692840148] [2023-04-03 06:30:16,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692840148] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:30:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395461487] [2023-04-03 06:30:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:16,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:30:16,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:30:16,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 06:30:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:17,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 4750 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:30:17,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:30:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:17,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:30:17,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395461487] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:30:17,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:30:17,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:30:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100303097] [2023-04-03 06:30:17,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:30:17,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:30:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:30:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:30:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:30:17,570 INFO L87 Difference]: Start difference. First operand 19888 states and 26509 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:30:29,291 INFO L93 Difference]: Finished difference Result 42789 states and 57056 transitions. [2023-04-03 06:30:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:30:29,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 222 [2023-04-03 06:30:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:30:29,430 INFO L225 Difference]: With dead ends: 42789 [2023-04-03 06:30:29,430 INFO L226 Difference]: Without dead ends: 25605 [2023-04-03 06:30:29,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-04-03 06:30:29,502 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 2453 mSDsluCounter, 13500 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16337 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:30:29,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 16337 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-04-03 06:30:29,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25605 states. [2023-04-03 06:30:30,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25605 to 19890. [2023-04-03 06:30:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19890 states, 11430 states have (on average 1.2429571303587053) internal successors, (14207), 11799 states have internal predecessors, (14207), 6098 states have call successors, (6098), 2358 states have call predecessors, (6098), 2361 states have return successors, (6206), 6054 states have call predecessors, (6206), 6096 states have call successors, (6206) [2023-04-03 06:30:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19890 states to 19890 states and 26511 transitions. [2023-04-03 06:30:30,697 INFO L78 Accepts]: Start accepts. Automaton has 19890 states and 26511 transitions. Word has length 222 [2023-04-03 06:30:30,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:30:30,698 INFO L495 AbstractCegarLoop]: Abstraction has 19890 states and 26511 transitions. [2023-04-03 06:30:30,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 19890 states and 26511 transitions. [2023-04-03 06:30:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 06:30:30,710 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:30:30,710 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:30:30,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 06:30:30,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:30,925 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:30:30,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:30:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1195158809, now seen corresponding path program 1 times [2023-04-03 06:30:30,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:30:30,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774547672] [2023-04-03 06:30:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:30:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:31,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:30:31,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774547672] [2023-04-03 06:30:31,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774547672] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:30:31,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892430080] [2023-04-03 06:30:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:31,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:31,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:30:31,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:30:31,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 06:30:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:32,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 4752 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:30:32,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:30:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 06:30:32,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:30:32,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892430080] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:30:32,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:30:32,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:30:32,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560201349] [2023-04-03 06:30:32,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:30:32,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:30:32,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:30:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:30:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:30:32,978 INFO L87 Difference]: Start difference. First operand 19890 states and 26511 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:36,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:30:45,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:30:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:30:46,249 INFO L93 Difference]: Finished difference Result 42795 states and 57058 transitions. [2023-04-03 06:30:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:30:46,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 223 [2023-04-03 06:30:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:30:46,377 INFO L225 Difference]: With dead ends: 42795 [2023-04-03 06:30:46,377 INFO L226 Difference]: Without dead ends: 25609 [2023-04-03 06:30:46,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-04-03 06:30:46,440 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 2453 mSDsluCounter, 13500 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16337 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-04-03 06:30:46,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 16337 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-04-03 06:30:46,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25609 states. [2023-04-03 06:30:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25609 to 19892. [2023-04-03 06:30:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19892 states, 11432 states have (on average 1.2429146256123162) internal successors, (14209), 11799 states have internal predecessors, (14209), 6098 states have call successors, (6098), 2358 states have call predecessors, (6098), 2361 states have return successors, (6202), 6056 states have call predecessors, (6202), 6096 states have call successors, (6202) [2023-04-03 06:30:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19892 states to 19892 states and 26509 transitions. [2023-04-03 06:30:47,526 INFO L78 Accepts]: Start accepts. Automaton has 19892 states and 26509 transitions. Word has length 223 [2023-04-03 06:30:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:30:47,526 INFO L495 AbstractCegarLoop]: Abstraction has 19892 states and 26509 transitions. [2023-04-03 06:30:47,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 06:30:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 19892 states and 26509 transitions. [2023-04-03 06:30:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-04-03 06:30:47,539 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:30:47,540 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:30:47,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 06:30:47,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:47,753 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:30:47,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:30:47,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1770176041, now seen corresponding path program 1 times [2023-04-03 06:30:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:30:47,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053796019] [2023-04-03 06:30:47,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:30:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-04-03 06:30:48,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:30:48,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053796019] [2023-04-03 06:30:48,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053796019] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:30:48,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734579172] [2023-04-03 06:30:48,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:30:48,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:30:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:30:48,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:30:48,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 06:30:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:30:49,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 4841 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-03 06:30:49,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:30:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-04-03 06:30:49,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 06:30:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-04-03 06:30:50,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734579172] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 06:30:50,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1695566339] [2023-04-03 06:30:50,510 INFO L159 IcfgInterpreter]: Started Sifa with 138 locations of interest [2023-04-03 06:30:50,510 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 06:30:50,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 06:30:50,518 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 06:30:50,518 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 06:31:42,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 214 for LOIs [2023-04-03 06:32:07,116 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 239 for LOIs