/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--ethernet--icplus--ipg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 06:19:56,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 06:19:56,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 06:19:56,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 06:19:56,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 06:19:56,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 06:19:56,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 06:19:56,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 06:19:56,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 06:19:56,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 06:19:56,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 06:19:56,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 06:19:56,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 06:19:56,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 06:19:56,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 06:19:56,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 06:19:56,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 06:19:56,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 06:19:56,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 06:19:56,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 06:19:56,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 06:19:56,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 06:19:56,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 06:19:56,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 06:19:56,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 06:19:56,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 06:19:56,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 06:19:56,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 06:19:56,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 06:19:56,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 06:19:56,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 06:19:56,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 06:19:56,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 06:19:56,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 06:19:56,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 06:19:56,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 06:19:57,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 06:19:57,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 06:19:57,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 06:19:57,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 06:19:57,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 06:19:57,003 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 06:19:57,030 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 06:19:57,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 06:19:57,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 06:19:57,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 06:19:57,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 06:19:57,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 06:19:57,032 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 06:19:57,032 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 06:19:57,032 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 06:19:57,032 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 06:19:57,033 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 06:19:57,033 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 06:19:57,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 06:19:57,034 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 06:19:57,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 06:19:57,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 06:19:57,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 06:19:57,035 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 06:19:57,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 06:19:57,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 06:19:57,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 06:19:57,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:19:57,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 06:19:57,036 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 06:19:57,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 06:19:57,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 06:19:57,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 06:19:57,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 06:19:57,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 06:19:57,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 06:19:57,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 06:19:57,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 06:19:57,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 06:19:57,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 06:19:57,298 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 06:19:57,298 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 06:19:57,299 INFO L432 ainManager$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--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-04-03 06:19:58,441 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 06:19:58,891 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 06:19:58,892 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--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-04-03 06:19:58,929 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b768589b/bca2e69b358043918386dcd0f7532815/FLAG46aab35c8 [2023-04-03 06:19:58,940 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b768589b/bca2e69b358043918386dcd0f7532815 [2023-04-03 06:19:58,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 06:19:58,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 06:19:58,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 06:19:58,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 06:19:58,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 06:19:58,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:19:58" (1/1) ... [2023-04-03 06:19:58,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a97c9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:58, skipping insertion in model container [2023-04-03 06:19:58,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:19:58" (1/1) ... [2023-04-03 06:19:58,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 06:19:59,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 06:20:00,614 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--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-04-03 06:20:00,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:20:00,710 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 06:20:00,997 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--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-04-03 06:20:01,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:20:01,115 INFO L208 MainTranslator]: Completed translation [2023-04-03 06:20:01,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01 WrapperNode [2023-04-03 06:20:01,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 06:20:01,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 06:20:01,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 06:20:01,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 06:20:01,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 06:20:01,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 06:20:01,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 06:20:01,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 06:20:01,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (1/1) ... [2023-04-03 06:20:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:20:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:01,527 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 06:20:01,538 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 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 06:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 06:20:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 06:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 06:20:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-03 06:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-03 06:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-03 06:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 06:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 06:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 06:20:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 06:20:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 06:20:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 06:20:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 06:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 06:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 06:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 06:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 06:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 06:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2023-04-03 06:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-04-03 06:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-04-03 06:20:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-04-03 06:20:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2023-04-03 06:20:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-04-03 06:20:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-04-03 06:20:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-04-03 06:20:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-04-03 06:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2023-04-03 06:20:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-04-03 06:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2023-04-03 06:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-03 06:20:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-03 06:20:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-03 06:20:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-04-03 06:20:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-03 06:20:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2023-04-03 06:20:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-04-03 06:20:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-03 06:20:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2023-04-03 06:20:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 06:20:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-03 06:20:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2023-04-03 06:20:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 06:20:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 06:20:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 06:20:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 06:20:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 06:20:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 06:20:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 06:20:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 06:20:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 06:20:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 06:20:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 06:20:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 06:20:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 06:20:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:20:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 06:20:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-03 06:20:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 06:20:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-04-03 06:20:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 06:20:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 06:20:01,613 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 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 06:20:01,613 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 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2023-04-03 06:20:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2023-04-03 06:20:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 06:20:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 06:20:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 06:20:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 06:20:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 06:20:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-04-03 06:20:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2023-04-03 06:20:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2023-04-03 06:20:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-03 06:20:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 06:20:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 06:20:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 06:20:02,354 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 06:20:02,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 06:20:03,447 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 06:20:06,361 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 06:20:08,207 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 06:20:08,208 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-03 06:20:08,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:20:08 BoogieIcfgContainer [2023-04-03 06:20:08,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 06:20:08,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 06:20:08,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 06:20:08,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 06:20:08,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 06:19:58" (1/3) ... [2023-04-03 06:20:08,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12064f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:20:08, skipping insertion in model container [2023-04-03 06:20:08,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:20:01" (2/3) ... [2023-04-03 06:20:08,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12064f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:20:08, skipping insertion in model container [2023-04-03 06:20:08,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:20:08" (3/3) ... [2023-04-03 06:20:08,219 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-04-03 06:20:08,235 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 06:20:08,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 06:20:08,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 06:20:08,332 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;@14c2b216, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 06:20:08,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 06:20:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 1658 states, 927 states have (on average 1.2437971952535058) internal successors, (1153), 976 states have internal predecessors, (1153), 512 states have call successors, (512), 204 states have call predecessors, (512), 203 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) [2023-04-03 06:20:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 06:20:08,372 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:08,373 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-04-03 06:20:08,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:08,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:08,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1332275686, now seen corresponding path program 1 times [2023-04-03 06:20:08,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:08,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183468199] [2023-04-03 06:20:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:09,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:09,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183468199] [2023-04-03 06:20:09,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183468199] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:09,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:09,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:09,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888185493] [2023-04-03 06:20:09,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:09,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:09,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:09,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:09,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:09,573 INFO L87 Difference]: Start difference. First operand has 1658 states, 927 states have (on average 1.2437971952535058) internal successors, (1153), 976 states have internal predecessors, (1153), 512 states have call successors, (512), 204 states have call predecessors, (512), 203 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:13,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:13,018 INFO L93 Difference]: Finished difference Result 4707 states and 6303 transitions. [2023-04-03 06:20:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:13,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 122 [2023-04-03 06:20:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:13,048 INFO L225 Difference]: With dead ends: 4707 [2023-04-03 06:20:13,048 INFO L226 Difference]: Without dead ends: 3089 [2023-04-03 06:20:13,061 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 06:20:13,065 INFO L413 NwaCegarLoop]: 1875 mSDtfsCounter, 2065 mSDsluCounter, 5566 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 7441 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:13,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 7441 Invalid, 934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 06:20:13,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2023-04-03 06:20:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 3074. [2023-04-03 06:20:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 1737 states have (on average 1.2343120322394934) internal successors, (2144), 1810 states have internal predecessors, (2144), 951 states have call successors, (951), 387 states have call predecessors, (951), 385 states have return successors, (955), 929 states have call predecessors, (955), 949 states have call successors, (955) [2023-04-03 06:20:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 4050 transitions. [2023-04-03 06:20:13,364 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 4050 transitions. Word has length 122 [2023-04-03 06:20:13,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:13,365 INFO L495 AbstractCegarLoop]: Abstraction has 3074 states and 4050 transitions. [2023-04-03 06:20:13,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:13,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 4050 transitions. [2023-04-03 06:20:13,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-03 06:20:13,373 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:13,373 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-04-03 06:20:13,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 06:20:13,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:13,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash -252405571, now seen corresponding path program 1 times [2023-04-03 06:20:13,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:13,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56387579] [2023-04-03 06:20:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:13,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:13,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:13,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56387579] [2023-04-03 06:20:13,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56387579] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:13,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:13,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:13,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146013037] [2023-04-03 06:20:13,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:13,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:13,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:13,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:13,886 INFO L87 Difference]: Start difference. First operand 3074 states and 4050 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:16,384 INFO L93 Difference]: Finished difference Result 6803 states and 8964 transitions. [2023-04-03 06:20:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:16,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 123 [2023-04-03 06:20:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:16,411 INFO L225 Difference]: With dead ends: 6803 [2023-04-03 06:20:16,412 INFO L226 Difference]: Without dead ends: 4616 [2023-04-03 06:20:16,421 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 06:20:16,422 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 2021 mSDsluCounter, 5993 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 8101 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:16,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 8101 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-03 06:20:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4616 states. [2023-04-03 06:20:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4616 to 4596. [2023-04-03 06:20:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4596 states, 2601 states have (on average 1.2345251826220685) internal successors, (3211), 2707 states have internal predecessors, (3211), 1419 states have call successors, (1419), 577 states have call predecessors, (1419), 575 states have return successors, (1428), 1390 states have call predecessors, (1428), 1417 states have call successors, (1428) [2023-04-03 06:20:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 6058 transitions. [2023-04-03 06:20:16,662 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 6058 transitions. Word has length 123 [2023-04-03 06:20:16,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:16,662 INFO L495 AbstractCegarLoop]: Abstraction has 4596 states and 6058 transitions. [2023-04-03 06:20:16,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 6058 transitions. [2023-04-03 06:20:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 06:20:16,672 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:16,672 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-04-03 06:20:16,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 06:20:16,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:16,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1899267357, now seen corresponding path program 1 times [2023-04-03 06:20:16,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:16,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409978334] [2023-04-03 06:20:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:16,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:17,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:17,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409978334] [2023-04-03 06:20:17,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409978334] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:17,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:17,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:17,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89677584] [2023-04-03 06:20:17,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:17,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:17,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:17,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:17,133 INFO L87 Difference]: Start difference. First operand 4596 states and 6058 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:19,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:19,874 INFO L93 Difference]: Finished difference Result 8330 states and 10974 transitions. [2023-04-03 06:20:19,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:19,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2023-04-03 06:20:19,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:19,906 INFO L225 Difference]: With dead ends: 8330 [2023-04-03 06:20:19,906 INFO L226 Difference]: Without dead ends: 4620 [2023-04-03 06:20:19,920 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 06:20:19,923 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 2019 mSDsluCounter, 5993 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 8101 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:19,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 8101 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-03 06:20:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4620 states. [2023-04-03 06:20:20,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4620 to 4600. [2023-04-03 06:20:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4600 states, 2605 states have (on average 1.234165067178503) internal successors, (3215), 2710 states have internal predecessors, (3215), 1418 states have call successors, (1418), 578 states have call predecessors, (1418), 576 states have return successors, (1427), 1390 states have call predecessors, (1427), 1416 states have call successors, (1427) [2023-04-03 06:20:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 4600 states and 6060 transitions. [2023-04-03 06:20:20,130 INFO L78 Accepts]: Start accepts. Automaton has 4600 states and 6060 transitions. Word has length 124 [2023-04-03 06:20:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:20,133 INFO L495 AbstractCegarLoop]: Abstraction has 4600 states and 6060 transitions. [2023-04-03 06:20:20,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4600 states and 6060 transitions. [2023-04-03 06:20:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 06:20:20,138 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:20,138 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-04-03 06:20:20,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 06:20:20,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:20,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1178758246, now seen corresponding path program 1 times [2023-04-03 06:20:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952235095] [2023-04-03 06:20:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:20,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:20,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952235095] [2023-04-03 06:20:20,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952235095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:20,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:20,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:20,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239565394] [2023-04-03 06:20:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:20,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:20,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:20,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:20,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:20,520 INFO L87 Difference]: Start difference. First operand 4600 states and 6060 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:23,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:23,338 INFO L93 Difference]: Finished difference Result 7997 states and 10501 transitions. [2023-04-03 06:20:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:23,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2023-04-03 06:20:23,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:23,365 INFO L225 Difference]: With dead ends: 7997 [2023-04-03 06:20:23,365 INFO L226 Difference]: Without dead ends: 4282 [2023-04-03 06:20:23,380 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 06:20:23,381 INFO L413 NwaCegarLoop]: 2081 mSDtfsCounter, 2017 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 8020 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:23,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 8020 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 06:20:23,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2023-04-03 06:20:23,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 4265. [2023-04-03 06:20:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4265 states, 2401 states have (on average 1.2278217409412744) internal successors, (2948), 2491 states have internal predecessors, (2948), 1315 states have call successors, (1315), 550 states have call predecessors, (1315), 548 states have return successors, (1324), 1291 states have call predecessors, (1324), 1313 states have call successors, (1324) [2023-04-03 06:20:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 4265 states and 5587 transitions. [2023-04-03 06:20:23,676 INFO L78 Accepts]: Start accepts. Automaton has 4265 states and 5587 transitions. Word has length 125 [2023-04-03 06:20:23,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:23,676 INFO L495 AbstractCegarLoop]: Abstraction has 4265 states and 5587 transitions. [2023-04-03 06:20:23,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 06:20:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4265 states and 5587 transitions. [2023-04-03 06:20:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 06:20:23,683 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:23,683 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:23,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 06:20:23,684 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:23,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:23,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1808383165, now seen corresponding path program 1 times [2023-04-03 06:20:23,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:23,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892550999] [2023-04-03 06:20:23,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-04-03 06:20:24,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:24,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892550999] [2023-04-03 06:20:24,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892550999] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:24,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599518693] [2023-04-03 06:20:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:24,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:24,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:24,324 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 06:20:24,327 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 06:20:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:25,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:25,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:25,415 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:25,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599518693] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:25,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-04-03 06:20:25,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874537453] [2023-04-03 06:20:25,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:25,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:25,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:25,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:25,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-04-03 06:20:25,417 INFO L87 Difference]: Start difference. First operand 4265 states and 5587 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:29,415 INFO L93 Difference]: Finished difference Result 10068 states and 13212 transitions. [2023-04-03 06:20:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:29,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2023-04-03 06:20:29,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:29,458 INFO L225 Difference]: With dead ends: 10068 [2023-04-03 06:20:29,458 INFO L226 Difference]: Without dead ends: 7011 [2023-04-03 06:20:29,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 139 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 06:20:29,476 INFO L413 NwaCegarLoop]: 2542 mSDtfsCounter, 2056 mSDsluCounter, 11957 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 14499 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:29,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 14499 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 06:20:29,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2023-04-03 06:20:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 6977. [2023-04-03 06:20:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6977 states, 3927 states have (on average 1.2276546982429335) internal successors, (4821), 4076 states have internal predecessors, (4821), 2148 states have call successors, (2148), 901 states have call predecessors, (2148), 901 states have return successors, (2177), 2108 states have call predecessors, (2177), 2146 states have call successors, (2177) [2023-04-03 06:20:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 9146 transitions. [2023-04-03 06:20:29,790 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 9146 transitions. Word has length 138 [2023-04-03 06:20:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:29,790 INFO L495 AbstractCegarLoop]: Abstraction has 6977 states and 9146 transitions. [2023-04-03 06:20:29,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 9146 transitions. [2023-04-03 06:20:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-03 06:20:29,797 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:29,797 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:29,812 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 06:20:30,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:30,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:30,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1657031777, now seen corresponding path program 1 times [2023-04-03 06:20:30,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:30,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371165619] [2023-04-03 06:20:30,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:30,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:30,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371165619] [2023-04-03 06:20:30,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371165619] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:30,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592865361] [2023-04-03 06:20:30,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:30,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:30,685 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 06:20:30,688 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 06:20:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:31,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:31,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:31,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:31,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592865361] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:31,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:31,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:31,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702771628] [2023-04-03 06:20:31,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:31,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:31,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:31,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:31,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:31,638 INFO L87 Difference]: Start difference. First operand 6977 states and 9146 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:35,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:35,565 INFO L93 Difference]: Finished difference Result 15503 states and 20343 transitions. [2023-04-03 06:20:35,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:35,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2023-04-03 06:20:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:35,625 INFO L225 Difference]: With dead ends: 15503 [2023-04-03 06:20:35,625 INFO L226 Difference]: Without dead ends: 9734 [2023-04-03 06:20:35,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 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 06:20:35,654 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 2056 mSDsluCounter, 12033 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 14597 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:35,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 14597 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-04-03 06:20:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9734 states. [2023-04-03 06:20:36,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9734 to 9694. [2023-04-03 06:20:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9694 states, 5456 states have (on average 1.2274560117302054) internal successors, (6697), 5667 states have internal predecessors, (6697), 2981 states have call successors, (2981), 1252 states have call predecessors, (2981), 1256 states have return successors, (3037), 2924 states have call predecessors, (3037), 2979 states have call successors, (3037) [2023-04-03 06:20:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9694 states to 9694 states and 12715 transitions. [2023-04-03 06:20:36,173 INFO L78 Accepts]: Start accepts. Automaton has 9694 states and 12715 transitions. Word has length 139 [2023-04-03 06:20:36,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:36,175 INFO L495 AbstractCegarLoop]: Abstraction has 9694 states and 12715 transitions. [2023-04-03 06:20:36,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 9694 states and 12715 transitions. [2023-04-03 06:20:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-03 06:20:36,184 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:36,184 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:36,203 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 06:20:36,397 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,SelfDestructingSolverStorable5 [2023-04-03 06:20:36,398 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:36,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:36,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1748097354, now seen corresponding path program 1 times [2023-04-03 06:20:36,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:36,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166842486] [2023-04-03 06:20:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:36,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:36,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166842486] [2023-04-03 06:20:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166842486] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562670936] [2023-04-03 06:20:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:36,961 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 06:20:36,965 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 06:20:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:37,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 2868 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:37,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:37,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:37,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562670936] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:37,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:37,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:37,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170379718] [2023-04-03 06:20:37,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:37,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:37,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:37,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:37,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:37,895 INFO L87 Difference]: Start difference. First operand 9694 states and 12715 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:41,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:41,403 INFO L93 Difference]: Finished difference Result 20935 states and 27480 transitions. [2023-04-03 06:20:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:41,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2023-04-03 06:20:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:41,464 INFO L225 Difference]: With dead ends: 20935 [2023-04-03 06:20:41,465 INFO L226 Difference]: Without dead ends: 12449 [2023-04-03 06:20:41,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 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 06:20:41,499 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 2056 mSDsluCounter, 12038 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 14603 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:41,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 14603 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 06:20:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12449 states. [2023-04-03 06:20:41,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12449 to 9695. [2023-04-03 06:20:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9695 states, 5457 states have (on average 1.2274143302180685) internal successors, (6698), 5667 states have internal predecessors, (6698), 2981 states have call successors, (2981), 1252 states have call predecessors, (2981), 1256 states have return successors, (3037), 2925 states have call predecessors, (3037), 2979 states have call successors, (3037) [2023-04-03 06:20:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9695 states to 9695 states and 12716 transitions. [2023-04-03 06:20:41,933 INFO L78 Accepts]: Start accepts. Automaton has 9695 states and 12716 transitions. Word has length 140 [2023-04-03 06:20:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:41,934 INFO L495 AbstractCegarLoop]: Abstraction has 9695 states and 12716 transitions. [2023-04-03 06:20:41,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 9695 states and 12716 transitions. [2023-04-03 06:20:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 06:20:41,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:41,944 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:41,960 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 06:20:42,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:42,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:42,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:42,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1353845882, now seen corresponding path program 1 times [2023-04-03 06:20:42,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:42,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058563744] [2023-04-03 06:20:42,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:42,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:42,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:42,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058563744] [2023-04-03 06:20:42,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058563744] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:42,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263082206] [2023-04-03 06:20:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:42,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:42,785 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 06:20:42,788 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 06:20:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:43,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:43,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:20:43,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263082206] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:43,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097939192] [2023-04-03 06:20:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:43,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:43,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:43,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:43,635 INFO L87 Difference]: Start difference. First operand 9695 states and 12716 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:46,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:46,753 INFO L93 Difference]: Finished difference Result 20938 states and 27481 transitions. [2023-04-03 06:20:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:46,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2023-04-03 06:20:46,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:46,812 INFO L225 Difference]: With dead ends: 20938 [2023-04-03 06:20:46,812 INFO L226 Difference]: Without dead ends: 12451 [2023-04-03 06:20:46,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 140 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 06:20:46,845 INFO L413 NwaCegarLoop]: 2562 mSDtfsCounter, 2056 mSDsluCounter, 12025 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 14587 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:46,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 14587 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-03 06:20:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2023-04-03 06:20:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 9696. [2023-04-03 06:20:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9696 states, 5458 states have (on average 1.2273726639794797) internal successors, (6699), 5667 states have internal predecessors, (6699), 2981 states have call successors, (2981), 1252 states have call predecessors, (2981), 1256 states have return successors, (3035), 2926 states have call predecessors, (3035), 2979 states have call successors, (3035) [2023-04-03 06:20:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9696 states to 9696 states and 12715 transitions. [2023-04-03 06:20:47,376 INFO L78 Accepts]: Start accepts. Automaton has 9696 states and 12715 transitions. Word has length 141 [2023-04-03 06:20:47,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:47,378 INFO L495 AbstractCegarLoop]: Abstraction has 9696 states and 12715 transitions. [2023-04-03 06:20:47,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 06:20:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 9696 states and 12715 transitions. [2023-04-03 06:20:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-03 06:20:47,389 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:47,389 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-04-03 06:20:47,404 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 06:20:47,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:47,597 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:47,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:47,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1361294610, now seen corresponding path program 1 times [2023-04-03 06:20:47,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:47,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061512935] [2023-04-03 06:20:47,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:47,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-03 06:20:48,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:48,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061512935] [2023-04-03 06:20:48,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061512935] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:48,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:48,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 06:20:48,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195178574] [2023-04-03 06:20:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:48,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 06:20:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 06:20:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 06:20:48,148 INFO L87 Difference]: Start difference. First operand 9696 states and 12715 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 06:20:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:49,866 INFO L93 Difference]: Finished difference Result 11398 states and 14799 transitions. [2023-04-03 06:20:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 06:20:49,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2023-04-03 06:20:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:49,902 INFO L225 Difference]: With dead ends: 11398 [2023-04-03 06:20:49,902 INFO L226 Difference]: Without dead ends: 11395 [2023-04-03 06:20:49,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:49,907 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 1526 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 4750 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:49,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 4750 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 06:20:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11395 states. [2023-04-03 06:20:50,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11395 to 11395. [2023-04-03 06:20:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11395 states, 6323 states have (on average 1.207970899889293) internal successors, (7638), 6540 states have internal predecessors, (7638), 3549 states have call successors, (3549), 1518 states have call predecessors, (3549), 1522 states have return successors, (3603), 3494 states have call predecessors, (3603), 3547 states have call successors, (3603) [2023-04-03 06:20:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11395 states to 11395 states and 14790 transitions. [2023-04-03 06:20:50,358 INFO L78 Accepts]: Start accepts. Automaton has 11395 states and 14790 transitions. Word has length 153 [2023-04-03 06:20:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:50,359 INFO L495 AbstractCegarLoop]: Abstraction has 11395 states and 14790 transitions. [2023-04-03 06:20:50,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 06:20:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 11395 states and 14790 transitions. [2023-04-03 06:20:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-03 06:20:50,383 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:50,384 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:50,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 06:20:50,384 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:50,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:50,384 INFO L85 PathProgramCache]: Analyzing trace with hash -115164407, now seen corresponding path program 1 times [2023-04-03 06:20:50,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:50,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548414068] [2023-04-03 06:20:50,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:50,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 06:20:51,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:51,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548414068] [2023-04-03 06:20:51,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548414068] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:51,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186233512] [2023-04-03 06:20:51,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:51,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:51,153 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 06:20:51,156 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 06:20:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:52,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 3182 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-03 06:20:52,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-03 06:20:52,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 06:20:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-03 06:20:52,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186233512] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 06:20:52,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [419662137] [2023-04-03 06:20:52,747 INFO L159 IcfgInterpreter]: Started Sifa with 124 locations of interest [2023-04-03 06:20:52,747 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 06:20:52,750 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 06:20:52,754 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 06:20:52,755 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 06:21:03,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 214 for LOIs [2023-04-03 06:21:06,604 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 252 for LOIs