/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--dec--tulip--dmfe.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 06:19:49,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 06:19:49,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 06:19:49,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 06:19:49,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 06:19:49,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 06:19:49,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 06:19:49,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 06:19:49,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 06:19:49,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 06:19:49,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 06:19:49,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 06:19:49,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 06:19:49,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 06:19:49,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 06:19:49,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 06:19:49,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 06:19:49,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 06:19:49,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 06:19:49,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 06:19:49,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 06:19:49,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 06:19:49,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 06:19:49,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 06:19:49,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 06:19:49,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 06:19:49,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 06:19:49,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 06:19:49,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 06:19:49,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 06:19:49,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 06:19:49,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 06:19:49,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 06:19:49,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 06:19:49,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 06:19:49,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 06:19:49,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 06:19:49,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 06:19:49,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 06:19:49,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 06:19:49,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 06:19:49,303 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 06:19:49,318 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 06:19:49,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 06:19:49,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 06:19:49,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 06:19:49,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 06:19:49,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 06:19:49,319 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 06:19:49,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 06:19:49,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 06:19:49,321 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 06:19:49,321 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 06:19:49,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 06:19:49,321 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 06:19:49,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 06:19:49,322 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 06:19:49,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 06:19:49,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 06:19:49,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 06:19:49,323 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 06:19:49,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 06:19:49,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 06:19:49,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 06:19:49,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:19:49,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 06:19:49,325 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 06:19:49,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 06:19:49,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 06:19:49,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 06:19:49,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 06:19:49,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 06:19:49,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 06:19:49,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 06:19:49,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 06:19:49,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 06:19:49,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 06:19:49,495 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 06:19:49,496 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 06:19:49,496 INFO L432 ainManager$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--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-04-03 06:19:50,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 06:19:50,991 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 06:19:50,992 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--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-04-03 06:19:51,019 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02e4f7ca/bdcd53dda3234954ba9c1ece98f087aa/FLAG2512700cd [2023-04-03 06:19:51,028 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02e4f7ca/bdcd53dda3234954ba9c1ece98f087aa [2023-04-03 06:19:51,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 06:19:51,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 06:19:51,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 06:19:51,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 06:19:51,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 06:19:51,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:19:51" (1/1) ... [2023-04-03 06:19:51,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfb8708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:51, skipping insertion in model container [2023-04-03 06:19:51,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 06:19:51" (1/1) ... [2023-04-03 06:19:51,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 06:19:51,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 06:19:52,515 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--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2023-04-03 06:19:52,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:19:52,624 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 06:19:52,901 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--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2023-04-03 06:19:52,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 06:19:52,993 INFO L208 MainTranslator]: Completed translation [2023-04-03 06:19:52,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52 WrapperNode [2023-04-03 06:19:52,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 06:19:52,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 06:19:52,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 06:19:52,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 06:19:53,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,236 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 06:19:53,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 06:19:53,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 06:19:53,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 06:19:53,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (1/1) ... [2023-04-03 06:19:53,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 06:19:53,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:19:53,322 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 06:19:53,382 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 06:19:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 06:19:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 06:19:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-03 06:19:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 06:19:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 06:19:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_one [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_start_xmit [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-04-03 06:19:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_tx_pkt [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_rx_packet [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_ethtool_get_drvinfo [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_ethtool_set_wol [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_ethtool_get_wol [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_timer [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_dynamic_reset [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_descriptor_init [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-04-03 06:19:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure read_srom_word [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_sense_speed [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_phyxcer [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_process_mode [2023-04-03 06:19:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2023-04-03 06:19:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2023-04-03 06:19:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2023-04-03 06:19:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2023-04-03 06:19:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_parse_srom [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_program_DM9801 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_program_DM9802 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_HPNA_remote_cmd_chk [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_suspend [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_module [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_cleanup_module [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2023-04-03 06:19:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-03 06:19:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-03 06:19:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-03 06:19:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2023-04-03 06:19:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2023-04-03 06:19:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_39 [2023-04-03 06:19:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_40 [2023-04-03 06:19:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_41 [2023-04-03 06:19:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_42 [2023-04-03 06:19:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2023-04-03 06:19:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2023-04-03 06:19:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2023-04-03 06:19:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 06:19:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 06:19:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 06:19:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_5 [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_3 [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 06:19:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 06:19:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 06:19:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-03 06:19:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 06:19:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 06:19:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 06:19:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_42 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 06:19:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_41 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-04-03 06:19:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2023-04-03 06:19:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 06:19:53,437 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 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 06:19:53,437 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 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 06:19:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-03 06:19:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_40 [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 06:19:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_39 [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_start_xmit [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure read_srom_word [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_descriptor_init [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2023-04-03 06:19:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_sense_speed [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_process_mode [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_timer [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_rx_packet [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_tx_pkt [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_dynamic_reset [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_parse_srom [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_program_DM9801 [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_program_DM9802 [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_HPNA_remote_cmd_chk [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_phyxcer [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_one [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_ethtool_get_drvinfo [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_ethtool_set_wol [2023-04-03 06:19:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_ethtool_get_wol [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_suspend [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_module [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_cleanup_module [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_5 [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 06:19:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 06:19:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 06:19:54,042 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 06:19:54,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 06:19:54,141 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 06:19:56,630 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 06:19:58,556 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 06:19:58,557 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 06:19:58,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:19:58 BoogieIcfgContainer [2023-04-03 06:19:58,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 06:19:58,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 06:19:58,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 06:19:58,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 06:19:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 06:19:51" (1/3) ... [2023-04-03 06:19:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22776341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:19:58, skipping insertion in model container [2023-04-03 06:19:58,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 06:19:52" (2/3) ... [2023-04-03 06:19:58,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22776341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 06:19:58, skipping insertion in model container [2023-04-03 06:19:58,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 06:19:58" (3/3) ... [2023-04-03 06:19:58,567 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2023-04-03 06:19:58,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 06:19:58,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 06:19:58,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 06:19:58,632 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;@6d0c5fa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 06:19:58,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 06:19:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 1598 states, 908 states have (on average 1.263215859030837) internal successors, (1147), 945 states have internal predecessors, (1147), 490 states have call successors, (490), 187 states have call predecessors, (490), 186 states have return successors, (483), 475 states have call predecessors, (483), 483 states have call successors, (483) [2023-04-03 06:19:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 06:19:58,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:19:58,658 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:19:58,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:19:58,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:19:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash 943605679, now seen corresponding path program 1 times [2023-04-03 06:19:58,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:19:58,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302524893] [2023-04-03 06:19:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:19:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:19:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:19:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:19:59,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:19:59,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302524893] [2023-04-03 06:19:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302524893] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:19:59,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:19:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:19:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907764729] [2023-04-03 06:19:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:19:59,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:19:59,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:19:59,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:19:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:19:59,706 INFO L87 Difference]: Start difference. First operand has 1598 states, 908 states have (on average 1.263215859030837) internal successors, (1147), 945 states have internal predecessors, (1147), 490 states have call successors, (490), 187 states have call predecessors, (490), 186 states have return successors, (483), 475 states have call predecessors, (483), 483 states have call successors, (483) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:01,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:04,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:04,548 INFO L93 Difference]: Finished difference Result 4643 states and 6281 transitions. [2023-04-03 06:20:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:04,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 130 [2023-04-03 06:20:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:04,578 INFO L225 Difference]: With dead ends: 4643 [2023-04-03 06:20:04,578 INFO L226 Difference]: Without dead ends: 3044 [2023-04-03 06:20:04,589 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 06:20:04,592 INFO L413 NwaCegarLoop]: 2063 mSDtfsCounter, 2070 mSDsluCounter, 5919 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 7982 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:04,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 7982 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-03 06:20:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2023-04-03 06:20:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3029. [2023-04-03 06:20:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 1745 states have (on average 1.2590257879656161) internal successors, (2197), 1804 states have internal predecessors, (2197), 928 states have call successors, (928), 357 states have call predecessors, (928), 355 states have return successors, (929), 906 states have call predecessors, (929), 926 states have call successors, (929) [2023-04-03 06:20:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4054 transitions. [2023-04-03 06:20:04,825 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4054 transitions. Word has length 130 [2023-04-03 06:20:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:04,826 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 4054 transitions. [2023-04-03 06:20:04,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4054 transitions. [2023-04-03 06:20:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 06:20:04,838 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:04,838 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:04,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 06:20:04,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:04,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:04,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1118663971, now seen corresponding path program 1 times [2023-04-03 06:20:04,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:04,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664683690] [2023-04-03 06:20:04,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:04,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:05,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664683690] [2023-04-03 06:20:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664683690] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138880247] [2023-04-03 06:20:05,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:05,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:05,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:05,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:05,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:05,275 INFO L87 Difference]: Start difference. First operand 3029 states and 4054 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:10,527 INFO L93 Difference]: Finished difference Result 6341 states and 8456 transitions. [2023-04-03 06:20:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:10,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 131 [2023-04-03 06:20:10,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:10,553 INFO L225 Difference]: With dead ends: 6341 [2023-04-03 06:20:10,553 INFO L226 Difference]: Without dead ends: 4552 [2023-04-03 06:20:10,563 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 06:20:10,565 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 2023 mSDsluCounter, 5753 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:10,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 7754 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-04-03 06:20:10,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2023-04-03 06:20:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 4532. [2023-04-03 06:20:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4532 states, 2615 states have (on average 1.2592734225621416) internal successors, (3293), 2700 states have internal predecessors, (3293), 1385 states have call successors, (1385), 533 states have call predecessors, (1385), 531 states have return successors, (1388), 1356 states have call predecessors, (1388), 1383 states have call successors, (1388) [2023-04-03 06:20:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 4532 states and 6066 transitions. [2023-04-03 06:20:10,795 INFO L78 Accepts]: Start accepts. Automaton has 4532 states and 6066 transitions. Word has length 131 [2023-04-03 06:20:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:10,796 INFO L495 AbstractCegarLoop]: Abstraction has 4532 states and 6066 transitions. [2023-04-03 06:20:10,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4532 states and 6066 transitions. [2023-04-03 06:20:10,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 06:20:10,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:10,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:10,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 06:20:10,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:10,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:10,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1842733044, now seen corresponding path program 1 times [2023-04-03 06:20:10,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:10,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19753672] [2023-04-03 06:20:10,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:10,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:11,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:11,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19753672] [2023-04-03 06:20:11,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19753672] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:11,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:11,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:11,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426846336] [2023-04-03 06:20:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:11,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:11,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:11,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:11,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:11,183 INFO L87 Difference]: Start difference. First operand 4532 states and 6066 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:15,706 INFO L93 Difference]: Finished difference Result 7849 states and 10470 transitions. [2023-04-03 06:20:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:15,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 132 [2023-04-03 06:20:15,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:15,739 INFO L225 Difference]: With dead ends: 7849 [2023-04-03 06:20:15,739 INFO L226 Difference]: Without dead ends: 4556 [2023-04-03 06:20:15,751 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 06:20:15,752 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 2021 mSDsluCounter, 5753 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:15,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 7754 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-04-03 06:20:15,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2023-04-03 06:20:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 4536. [2023-04-03 06:20:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 2619 states have (on average 1.258877434135166) internal successors, (3297), 2703 states have internal predecessors, (3297), 1384 states have call successors, (1384), 534 states have call predecessors, (1384), 532 states have return successors, (1387), 1356 states have call predecessors, (1387), 1382 states have call successors, (1387) [2023-04-03 06:20:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 6068 transitions. [2023-04-03 06:20:15,935 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 6068 transitions. Word has length 132 [2023-04-03 06:20:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:15,937 INFO L495 AbstractCegarLoop]: Abstraction has 4536 states and 6068 transitions. [2023-04-03 06:20:15,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 6068 transitions. [2023-04-03 06:20:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 06:20:15,942 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:15,942 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:15,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 06:20:15,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:15,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 262710106, now seen corresponding path program 1 times [2023-04-03 06:20:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:15,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076736982] [2023-04-03 06:20:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:16,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:16,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076736982] [2023-04-03 06:20:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076736982] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:16,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 06:20:16,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94920629] [2023-04-03 06:20:16,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:16,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 06:20:16,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 06:20:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 06:20:16,228 INFO L87 Difference]: Start difference. First operand 4536 states and 6068 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:20,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:20,907 INFO L93 Difference]: Finished difference Result 7844 states and 10458 transitions. [2023-04-03 06:20:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:20:20,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2023-04-03 06:20:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:20,931 INFO L225 Difference]: With dead ends: 7844 [2023-04-03 06:20:20,931 INFO L226 Difference]: Without dead ends: 4546 [2023-04-03 06:20:20,943 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 06:20:20,943 INFO L413 NwaCegarLoop]: 1991 mSDtfsCounter, 2019 mSDsluCounter, 5733 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 7724 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:20,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 7724 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 06:20:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2023-04-03 06:20:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 4529. [2023-04-03 06:20:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4529 states, 2614 states have (on average 1.2582249426166794) internal successors, (3289), 2697 states have internal predecessors, (3289), 1382 states have call successors, (1382), 534 states have call predecessors, (1382), 532 states have return successors, (1385), 1355 states have call predecessors, (1385), 1380 states have call successors, (1385) [2023-04-03 06:20:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4529 states and 6056 transitions. [2023-04-03 06:20:21,143 INFO L78 Accepts]: Start accepts. Automaton has 4529 states and 6056 transitions. Word has length 133 [2023-04-03 06:20:21,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:21,144 INFO L495 AbstractCegarLoop]: Abstraction has 4529 states and 6056 transitions. [2023-04-03 06:20:21,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 06:20:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 6056 transitions. [2023-04-03 06:20:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 06:20:21,151 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:21,152 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:21,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 06:20:21,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:21,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1731379869, now seen corresponding path program 1 times [2023-04-03 06:20:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780424969] [2023-04-03 06:20:21,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 06:20:21,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:21,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780424969] [2023-04-03 06:20:21,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780424969] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:21,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:20:21,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:20:21,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074269443] [2023-04-03 06:20:21,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:21,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:20:21,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:21,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:20:21,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:20:21,309 INFO L87 Difference]: Start difference. First operand 4529 states and 6056 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:23,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:23,301 INFO L93 Difference]: Finished difference Result 12531 states and 16752 transitions. [2023-04-03 06:20:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:20:23,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 142 [2023-04-03 06:20:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:23,344 INFO L225 Difference]: With dead ends: 12531 [2023-04-03 06:20:23,345 INFO L226 Difference]: Without dead ends: 8026 [2023-04-03 06:20:23,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:20:23,366 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 1666 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:23,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3519 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 06:20:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8026 states. [2023-04-03 06:20:23,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8026 to 7981. [2023-04-03 06:20:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7981 states, 4606 states have (on average 1.2553191489361701) internal successors, (5782), 4752 states have internal predecessors, (5782), 2433 states have call successors, (2433), 946 states have call predecessors, (2433), 941 states have return successors, (2455), 2384 states have call predecessors, (2455), 2431 states have call successors, (2455) [2023-04-03 06:20:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7981 states to 7981 states and 10670 transitions. [2023-04-03 06:20:23,685 INFO L78 Accepts]: Start accepts. Automaton has 7981 states and 10670 transitions. Word has length 142 [2023-04-03 06:20:23,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:23,686 INFO L495 AbstractCegarLoop]: Abstraction has 7981 states and 10670 transitions. [2023-04-03 06:20:23,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7981 states and 10670 transitions. [2023-04-03 06:20:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 06:20:23,690 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:23,691 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:23,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 06:20:23,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:23,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:23,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1941111888, now seen corresponding path program 1 times [2023-04-03 06:20:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:23,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714935413] [2023-04-03 06:20:23,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:23,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-04-03 06:20:24,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714935413] [2023-04-03 06:20:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714935413] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117228952] [2023-04-03 06:20:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:24,257 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 06:20:24,301 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 06:20:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:25,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2873 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:25,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:25,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:25,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117228952] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:25,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:25,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-04-03 06:20:25,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853040283] [2023-04-03 06:20:25,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:25,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:25,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:25,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:25,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-04-03 06:20:25,187 INFO L87 Difference]: Start difference. First operand 7981 states and 10670 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:27,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:29,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:31,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:33,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:33,599 INFO L93 Difference]: Finished difference Result 18736 states and 25065 transitions. [2023-04-03 06:20:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:33,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2023-04-03 06:20:33,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:33,660 INFO L225 Difference]: With dead ends: 18736 [2023-04-03 06:20:33,660 INFO L226 Difference]: Without dead ends: 13298 [2023-04-03 06:20:33,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 147 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 06:20:33,685 INFO L413 NwaCegarLoop]: 2095 mSDtfsCounter, 2056 mSDsluCounter, 10143 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 12238 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:33,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 12238 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-04-03 06:20:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13298 states. [2023-04-03 06:20:34,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13298 to 13235. [2023-04-03 06:20:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13235 states, 7641 states have (on average 1.2559874361994503) internal successors, (9597), 7891 states have internal predecessors, (9597), 4030 states have call successors, (4030), 1566 states have call predecessors, (4030), 1563 states have return successors, (4088), 3945 states have call predecessors, (4088), 4028 states have call successors, (4088) [2023-04-03 06:20:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13235 states to 13235 states and 17715 transitions. [2023-04-03 06:20:34,323 INFO L78 Accepts]: Start accepts. Automaton has 13235 states and 17715 transitions. Word has length 146 [2023-04-03 06:20:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:34,324 INFO L495 AbstractCegarLoop]: Abstraction has 13235 states and 17715 transitions. [2023-04-03 06:20:34,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13235 states and 17715 transitions. [2023-04-03 06:20:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-03 06:20:34,330 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:34,331 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:34,345 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 06:20:34,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 06:20:34,537 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:34,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:34,538 INFO L85 PathProgramCache]: Analyzing trace with hash -570338589, now seen corresponding path program 1 times [2023-04-03 06:20:34,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:34,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036989179] [2023-04-03 06:20:34,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:34,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:35,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:35,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036989179] [2023-04-03 06:20:35,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036989179] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:35,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566955239] [2023-04-03 06:20:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:35,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:35,019 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 06:20:35,021 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 06:20:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:35,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:35,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:35,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566955239] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766956170] [2023-04-03 06:20:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:35,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:35,859 INFO L87 Difference]: Start difference. First operand 13235 states and 17715 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:39,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:42,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:44,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:44,397 INFO L93 Difference]: Finished difference Result 29266 states and 39181 transitions. [2023-04-03 06:20:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:44,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-04-03 06:20:44,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:44,487 INFO L225 Difference]: With dead ends: 29266 [2023-04-03 06:20:44,487 INFO L226 Difference]: Without dead ends: 18574 [2023-04-03 06:20:44,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 146 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 06:20:44,534 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 2056 mSDsluCounter, 10231 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 12351 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:44,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 12351 Invalid, 1815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-03 06:20:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18574 states. [2023-04-03 06:20:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18574 to 18499. [2023-04-03 06:20:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18499 states, 10682 states have (on average 1.256131810522374) internal successors, (13418), 11042 states have internal predecessors, (13418), 5627 states have call successors, (5627), 2186 states have call predecessors, (5627), 2189 states have return successors, (5735), 5504 states have call predecessors, (5735), 5625 states have call successors, (5735) [2023-04-03 06:20:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18499 states to 18499 states and 24780 transitions. [2023-04-03 06:20:45,254 INFO L78 Accepts]: Start accepts. Automaton has 18499 states and 24780 transitions. Word has length 147 [2023-04-03 06:20:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:45,255 INFO L495 AbstractCegarLoop]: Abstraction has 18499 states and 24780 transitions. [2023-04-03 06:20:45,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18499 states and 24780 transitions. [2023-04-03 06:20:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-03 06:20:45,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:45,262 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:45,283 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 06:20:45,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 06:20:45,474 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:45,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:45,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1396627991, now seen corresponding path program 1 times [2023-04-03 06:20:45,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:45,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066223656] [2023-04-03 06:20:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:46,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:46,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066223656] [2023-04-03 06:20:46,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066223656] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:46,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518860038] [2023-04-03 06:20:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:46,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:46,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:46,059 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 06:20:46,060 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 06:20:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:46,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:46,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:46,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:46,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518860038] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:46,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:46,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:46,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722592447] [2023-04-03 06:20:46,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:46,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:46,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:46,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:46,988 INFO L87 Difference]: Start difference. First operand 18499 states and 24780 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:52,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:53,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:20:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:20:55,373 INFO L93 Difference]: Finished difference Result 39790 states and 53309 transitions. [2023-04-03 06:20:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:20:55,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 148 [2023-04-03 06:20:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:20:55,516 INFO L225 Difference]: With dead ends: 39790 [2023-04-03 06:20:55,516 INFO L226 Difference]: Without dead ends: 23834 [2023-04-03 06:20:55,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 147 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 06:20:55,582 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 2056 mSDsluCounter, 10231 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 12351 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-03 06:20:55,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 12351 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-03 06:20:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23834 states. [2023-04-03 06:20:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23834 to 18501. [2023-04-03 06:20:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18501 states, 10684 states have (on average 1.2560838637214526) internal successors, (13420), 11042 states have internal predecessors, (13420), 5627 states have call successors, (5627), 2186 states have call predecessors, (5627), 2189 states have return successors, (5735), 5506 states have call predecessors, (5735), 5625 states have call successors, (5735) [2023-04-03 06:20:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18501 states to 18501 states and 24782 transitions. [2023-04-03 06:20:56,616 INFO L78 Accepts]: Start accepts. Automaton has 18501 states and 24782 transitions. Word has length 148 [2023-04-03 06:20:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:20:56,616 INFO L495 AbstractCegarLoop]: Abstraction has 18501 states and 24782 transitions. [2023-04-03 06:20:56,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:20:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18501 states and 24782 transitions. [2023-04-03 06:20:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-03 06:20:56,623 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:20:56,623 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:20:56,637 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 06:20:56,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:56,835 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:20:56,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:20:56,835 INFO L85 PathProgramCache]: Analyzing trace with hash 370749802, now seen corresponding path program 1 times [2023-04-03 06:20:56,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:20:56,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688470048] [2023-04-03 06:20:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:56,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:20:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:57,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:20:57,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688470048] [2023-04-03 06:20:57,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688470048] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:20:57,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974574422] [2023-04-03 06:20:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:20:57,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:20:57,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:20:57,281 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 06:20:57,283 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 06:20:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:20:58,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 2879 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-03 06:20:58,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:20:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-03 06:20:58,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:20:58,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974574422] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:20:58,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:20:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-04-03 06:20:58,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999584940] [2023-04-03 06:20:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:20:58,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:20:58,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:20:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:20:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-04-03 06:20:58,204 INFO L87 Difference]: Start difference. First operand 18501 states and 24782 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:21:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:21:04,601 INFO L93 Difference]: Finished difference Result 39796 states and 53311 transitions. [2023-04-03 06:21:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 06:21:04,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-04-03 06:21:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:21:04,748 INFO L225 Difference]: With dead ends: 39796 [2023-04-03 06:21:04,748 INFO L226 Difference]: Without dead ends: 23838 [2023-04-03 06:21:04,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 148 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 06:21:04,816 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 2056 mSDsluCounter, 10231 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 12351 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:21:04,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 12351 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-03 06:21:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23838 states. [2023-04-03 06:21:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23838 to 18503. [2023-04-03 06:21:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18503 states, 10686 states have (on average 1.2560359348680517) internal successors, (13422), 11042 states have internal predecessors, (13422), 5627 states have call successors, (5627), 2186 states have call predecessors, (5627), 2189 states have return successors, (5731), 5508 states have call predecessors, (5731), 5625 states have call successors, (5731) [2023-04-03 06:21:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18503 states to 18503 states and 24780 transitions. [2023-04-03 06:21:05,691 INFO L78 Accepts]: Start accepts. Automaton has 18503 states and 24780 transitions. Word has length 149 [2023-04-03 06:21:05,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:21:05,692 INFO L495 AbstractCegarLoop]: Abstraction has 18503 states and 24780 transitions. [2023-04-03 06:21:05,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 06:21:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 18503 states and 24780 transitions. [2023-04-03 06:21:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-03 06:21:05,703 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:21:05,703 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:21:05,723 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 06:21:05,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:21:05,917 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:21:05,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:21:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash -891060556, now seen corresponding path program 1 times [2023-04-03 06:21:05,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:21:05,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488878495] [2023-04-03 06:21:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:21:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:21:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:21:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 06:21:06,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:21:06,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488878495] [2023-04-03 06:21:06,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488878495] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:21:06,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543546716] [2023-04-03 06:21:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:21:06,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:21:06,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:21:06,419 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 06:21:06,450 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 06:21:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:21:07,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-03 06:21:07,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:21:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-03 06:21:07,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 06:21:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-03 06:21:07,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543546716] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 06:21:07,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1927782839] [2023-04-03 06:21:07,947 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-04-03 06:21:07,947 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 06:21:07,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 06:21:07,954 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 06:21:07,954 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 06:21:22,223 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 232 for LOIs [2023-04-03 06:21:27,468 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 270 for LOIs