/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:44:31,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:44:31,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:44:31,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:44:31,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:44:31,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:44:31,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:44:31,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:44:31,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:44:31,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:44:31,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:44:31,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:44:31,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:44:31,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:44:31,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:44:31,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:44:31,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:44:31,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:44:31,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:44:31,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:44:31,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:44:31,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:44:31,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:44:31,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:44:31,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:44:31,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:44:31,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:44:31,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:44:31,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:44:31,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:44:31,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:44:31,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:44:31,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:44:31,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:44:31,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:44:31,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:44:31,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:44:31,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:44:31,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:44:31,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:44:31,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:44:31,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:44:31,857 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:44:31,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:44:31,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:44:31,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:44:31,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:44:31,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:44:31,858 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:44:31,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:44:31,858 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:44:31,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:44:31,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:44:31,860 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:44:31,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:44:31,860 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:44:31,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:44:31,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:44:31,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:44:31,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:44:31,862 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:44:31,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:44:31,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:44:31,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:44:31,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:44:32,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:44:32,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:44:32,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:44:32,117 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:44:32,118 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:44:32,119 INFO L432 ainManager$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--hp--hp100.ko-entry_point.cil.out.i [2023-04-01 01:44:33,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:44:33,847 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:44:33,848 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--hp--hp100.ko-entry_point.cil.out.i [2023-04-01 01:44:33,893 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfec53b53/ef54f4f3a04f46829329bf930cf0f539/FLAG6d45a9e64 [2023-04-01 01:44:33,909 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfec53b53/ef54f4f3a04f46829329bf930cf0f539 [2023-04-01 01:44:33,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:44:33,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:44:33,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:44:33,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:44:33,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:44:33,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:44:33" (1/1) ... [2023-04-01 01:44:33,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df84aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:33, skipping insertion in model container [2023-04-01 01:44:33,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:44:33" (1/1) ... [2023-04-01 01:44:33,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:44:34,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:44:36,224 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--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2023-04-01 01:44:36,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:44:36,373 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:44:36,632 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--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2023-04-01 01:44:36,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:44:36,789 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:44:36,789 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:44:36,789 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:44:36,796 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:44:36,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36 WrapperNode [2023-04-01 01:44:36,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:44:36,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:44:36,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:44:36,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:44:36,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:36,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:36,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:36,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:36,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:37,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:37,029 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:37,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:37,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:44:37,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:44:37,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:44:37,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:44:37,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (1/1) ... [2023-04-01 01:44:37,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:44:37,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:37,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 01:44:37,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 01:44:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:44:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:44:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:44:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2023-04-01 01:44:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-01 01:44:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outsl [2023-04-01 01:44:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure insl [2023-04-01 01:44:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-01 01:44:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 01:44:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 01:44:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-04-01 01:44:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-04-01 01:44:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-01 01:44:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-01 01:44:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-01 01:44:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_padto [2023-04-01 01:44:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pdl_map_data [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_read_id [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_probe1 [2023-04-01 01:44:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_mmuinit [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_init_pdls [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_init_rxpdl [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_init_txpdl [2023-04-01 01:44:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2023-04-01 01:44:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2023-04-01 01:44:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_xmit_bm [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_xmit [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx [2023-04-01 01:44:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_get_stats [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_misc_interrupt [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clear_stats [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_interrupt [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_down_vg_link [2023-04-01 01:44:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_dev [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_probe [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_module_init [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_module_exit [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-01 01:44:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_2 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-01 01:44:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-01 01:44:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-01 01:44:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-01 01:44:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-01 01:44:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-01 01:44:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-01 01:44:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-01 01:44:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-01 01:44:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2023-04-01 01:44:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_38 [2023-04-01 01:44:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_39 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_40 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_42 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_43 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_44 [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:44:37,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-01 01:44:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-01 01:44:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pad [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-01 01:44:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:44:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:44:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:44:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:44:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:44:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 01:44:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:44:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 01:44:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-01 01:44:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-01 01:44:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-01 01:44:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-01 01:44:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-01 01:44:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-01 01:44:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-01 01:44:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_2 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-01 01:44:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_38 [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_39 [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_43 [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-01 01:44:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_44 [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-01 01:44:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pad [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:44:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_padto [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_42 [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-01 01:44:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_40 [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_probe1 [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_xmit [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_xmit_bm [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx [2023-04-01 01:44:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_get_stats [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_misc_interrupt [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clear_stats [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_interrupt [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_down_vg_link [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_mmuinit [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_init_pdls [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_init_rxpdl [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_init_txpdl [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2023-04-01 01:44:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure pdl_map_data [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_read_id [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_dev [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_probe [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_module_init [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_module_exit [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-01 01:44:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 01:44:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 01:44:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 01:44:37,890 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:44:37,895 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:44:38,102 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:44:41,073 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 01:44:41,218 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7 % 4294967296); [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7 % 4294967296;#t~nondet727 := 0; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-2: assume 0 == #t~nondet727 % 4294967296;havoc #t~nondet727; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-2: assume !(0 == #t~nondet727 % 4294967296);havoc #t~nondet727; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume 2096896 == ~tmp___4~7 % 4294967296;#t~nondet727 := ~tmp___4~7; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume !(2096896 == ~tmp___4~7 % 4294967296);assume #t~nondet727 % 4294967296 <= ~tmp___4~7 % 4294967296;assume #t~nondet727 % 4294967296 <= 2096896; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-4: assume (if (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 <= 2147483647 then (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 else (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 - 4294967296) < 0; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-4: assume !((if (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 <= 2147483647 then (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 else (~jiffies~0 - ~time~2) % 4294967296 % 4294967296 - 4294967296) < 0); [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189-1: assume -2147483648 <= #t~ret728 && #t~ret728 <= 2147483647;havoc #t~ret728; [2023-04-01 01:44:41,219 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189: SUMMARY for call #t~ret728 := schedule_timeout_interruptible(1); srcloc: null [2023-04-01 01:44:41,331 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:44:43,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:44:43,116 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 01:44:43,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:44:43 BoogieIcfgContainer [2023-04-01 01:44:43,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:44:43,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:44:43,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:44:43,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:44:43,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:44:33" (1/3) ... [2023-04-01 01:44:43,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bba052e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:44:43, skipping insertion in model container [2023-04-01 01:44:43,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:44:36" (2/3) ... [2023-04-01 01:44:43,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bba052e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:44:43, skipping insertion in model container [2023-04-01 01:44:43,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:44:43" (3/3) ... [2023-04-01 01:44:43,128 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2023-04-01 01:44:43,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:44:43,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:44:43,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:44:43,230 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;@64397b42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:44:43,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:44:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 1932 states, 1060 states have (on average 1.2877358490566038) internal successors, (1365), 1113 states have internal predecessors, (1365), 689 states have call successors, (689), 172 states have call predecessors, (689), 171 states have return successors, (682), 668 states have call predecessors, (682), 682 states have call successors, (682) [2023-04-01 01:44:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 01:44:43,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:44:43,273 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:44:43,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:44:43,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:44:43,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1280192608, now seen corresponding path program 1 times [2023-04-01 01:44:43,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:44:43,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12300363] [2023-04-01 01:44:43,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:44:43,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:44:43,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387656383] [2023-04-01 01:44:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:43,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:43,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:43,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:44:43,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 01:44:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:44:44,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 2589 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 01:44:44,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:44:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:44:44,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:44:44,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:44:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12300363] [2023-04-01 01:44:44,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:44:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387656383] [2023-04-01 01:44:44,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387656383] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:44:44,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:44:44,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:44:44,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469343963] [2023-04-01 01:44:44,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:44:44,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:44:44,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:44:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:44:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:44:44,911 INFO L87 Difference]: Start difference. First operand has 1932 states, 1060 states have (on average 1.2877358490566038) internal successors, (1365), 1113 states have internal predecessors, (1365), 689 states have call successors, (689), 172 states have call predecessors, (689), 171 states have return successors, (682), 668 states have call predecessors, (682), 682 states have call successors, (682) Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:46,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:44:46,621 INFO L93 Difference]: Finished difference Result 5637 states and 8141 transitions. [2023-04-01 01:44:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:44:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 159 [2023-04-01 01:44:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:44:46,676 INFO L225 Difference]: With dead ends: 5637 [2023-04-01 01:44:46,676 INFO L226 Difference]: Without dead ends: 3710 [2023-04-01 01:44:46,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:44:46,702 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 2668 mSDsluCounter, 7745 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 10410 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:44:46,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 10410 Invalid, 1069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 01:44:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2023-04-01 01:44:47,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3695. [2023-04-01 01:44:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3695 states, 2046 states have (on average 1.2854349951124144) internal successors, (2630), 2135 states have internal predecessors, (2630), 1323 states have call successors, (1323), 327 states have call predecessors, (1323), 325 states have return successors, (1325), 1289 states have call predecessors, (1325), 1321 states have call successors, (1325) [2023-04-01 01:44:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5278 transitions. [2023-04-01 01:44:47,145 INFO L78 Accepts]: Start accepts. Automaton has 3695 states and 5278 transitions. Word has length 159 [2023-04-01 01:44:47,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:44:47,146 INFO L495 AbstractCegarLoop]: Abstraction has 3695 states and 5278 transitions. [2023-04-01 01:44:47,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5278 transitions. [2023-04-01 01:44:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-01 01:44:47,157 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:44:47,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:44:47,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 01:44:47,359 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,SelfDestructingSolverStorable0 [2023-04-01 01:44:47,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:44:47,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:44:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1537621549, now seen corresponding path program 1 times [2023-04-01 01:44:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:44:47,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273891176] [2023-04-01 01:44:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:47,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:44:47,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:44:47,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134082899] [2023-04-01 01:44:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:47,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:47,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:47,485 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) [2023-04-01 01:44:47,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 01:44:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:44:48,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 2591 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 01:44:48,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:44:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:44:48,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:44:48,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:44:48,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273891176] [2023-04-01 01:44:48,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:44:48,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134082899] [2023-04-01 01:44:48,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134082899] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:44:48,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:44:48,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:44:48,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622033894] [2023-04-01 01:44:48,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:44:48,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:44:48,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:44:48,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:44:48,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:44:48,389 INFO L87 Difference]: Start difference. First operand 3695 states and 5278 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:49,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:44:49,927 INFO L93 Difference]: Finished difference Result 7722 states and 10963 transitions. [2023-04-01 01:44:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:44:49,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 160 [2023-04-01 01:44:49,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:44:49,964 INFO L225 Difference]: With dead ends: 7722 [2023-04-01 01:44:49,964 INFO L226 Difference]: Without dead ends: 5559 [2023-04-01 01:44:49,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:44:49,979 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2617 mSDsluCounter, 7710 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 10382 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 01:44:49,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 10382 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 01:44:49,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5559 states. [2023-04-01 01:44:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5559 to 5532. [2023-04-01 01:44:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5532 states, 3068 states have (on average 1.2858539765319426) internal successors, (3945), 3198 states have internal predecessors, (3945), 1977 states have call successors, (1977), 488 states have call predecessors, (1977), 486 states have return successors, (1982), 1930 states have call predecessors, (1982), 1975 states have call successors, (1982) [2023-04-01 01:44:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5532 states to 5532 states and 7904 transitions. [2023-04-01 01:44:50,366 INFO L78 Accepts]: Start accepts. Automaton has 5532 states and 7904 transitions. Word has length 160 [2023-04-01 01:44:50,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:44:50,367 INFO L495 AbstractCegarLoop]: Abstraction has 5532 states and 7904 transitions. [2023-04-01 01:44:50,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5532 states and 7904 transitions. [2023-04-01 01:44:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-01 01:44:50,378 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:44:50,378 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:44:50,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 01:44:50,591 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,SelfDestructingSolverStorable1 [2023-04-01 01:44:50,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:44:50,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:44:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash -781837245, now seen corresponding path program 1 times [2023-04-01 01:44:50,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:44:50,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852286060] [2023-04-01 01:44:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:44:50,733 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:44:50,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367150053] [2023-04-01 01:44:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:50,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:50,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:50,748 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) [2023-04-01 01:44:50,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 01:44:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:44:51,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 01:44:51,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:44:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:44:51,634 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:44:51,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:44:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852286060] [2023-04-01 01:44:51,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:44:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367150053] [2023-04-01 01:44:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367150053] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:44:51,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:44:51,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:44:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124144639] [2023-04-01 01:44:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:44:51,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:44:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:44:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:44:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:44:51,637 INFO L87 Difference]: Start difference. First operand 5532 states and 7904 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:44:53,326 INFO L93 Difference]: Finished difference Result 9571 states and 13600 transitions. [2023-04-01 01:44:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:44:53,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 161 [2023-04-01 01:44:53,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:44:53,367 INFO L225 Difference]: With dead ends: 9571 [2023-04-01 01:44:53,368 INFO L226 Difference]: Without dead ends: 5570 [2023-04-01 01:44:53,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:44:53,391 INFO L413 NwaCegarLoop]: 2854 mSDtfsCounter, 2616 mSDsluCounter, 8074 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 10928 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:44:53,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 10928 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 01:44:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5570 states. [2023-04-01 01:44:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5570 to 5540. [2023-04-01 01:44:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 3076 states have (on average 1.2857607282184655) internal successors, (3955), 3205 states have internal predecessors, (3955), 1976 states have call successors, (1976), 489 states have call predecessors, (1976), 487 states have return successors, (1981), 1930 states have call predecessors, (1981), 1974 states have call successors, (1981) [2023-04-01 01:44:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 7912 transitions. [2023-04-01 01:44:53,741 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 7912 transitions. Word has length 161 [2023-04-01 01:44:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:44:53,741 INFO L495 AbstractCegarLoop]: Abstraction has 5540 states and 7912 transitions. [2023-04-01 01:44:53,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 7912 transitions. [2023-04-01 01:44:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-01 01:44:53,752 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:44:53,752 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:44:53,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 01:44:53,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:53,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:44:53,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:44:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash 851999728, now seen corresponding path program 1 times [2023-04-01 01:44:53,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:44:53,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869751284] [2023-04-01 01:44:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:44:54,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:44:54,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46339235] [2023-04-01 01:44:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:54,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:54,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:54,066 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) [2023-04-01 01:44:54,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 01:44:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:44:54,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 01:44:54,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:44:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:44:54,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:44:54,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:44:54,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869751284] [2023-04-01 01:44:54,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:44:54,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46339235] [2023-04-01 01:44:54,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46339235] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:44:54,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:44:54,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:44:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165493441] [2023-04-01 01:44:54,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:44:54,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:44:54,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:44:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:44:54,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:44:54,872 INFO L87 Difference]: Start difference. First operand 5540 states and 7912 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:44:56,528 INFO L93 Difference]: Finished difference Result 9388 states and 13348 transitions. [2023-04-01 01:44:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:44:56,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 162 [2023-04-01 01:44:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:44:56,568 INFO L225 Difference]: With dead ends: 9388 [2023-04-01 01:44:56,568 INFO L226 Difference]: Without dead ends: 5378 [2023-04-01 01:44:56,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:44:56,589 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2615 mSDsluCounter, 7710 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 10382 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:44:56,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 10382 Invalid, 1059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 01:44:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2023-04-01 01:44:56,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 5348. [2023-04-01 01:44:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 2970 states have (on average 1.286868686868687) internal successors, (3822), 3089 states have internal predecessors, (3822), 1912 states have call successors, (1912), 467 states have call predecessors, (1912), 465 states have return successors, (1917), 1868 states have call predecessors, (1917), 1910 states have call successors, (1917) [2023-04-01 01:44:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 7651 transitions. [2023-04-01 01:44:56,912 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 7651 transitions. Word has length 162 [2023-04-01 01:44:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:44:56,913 INFO L495 AbstractCegarLoop]: Abstraction has 5348 states and 7651 transitions. [2023-04-01 01:44:56,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 01:44:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 7651 transitions. [2023-04-01 01:44:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-01 01:44:56,927 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:44:56,927 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:44:56,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-01 01:44:57,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:57,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:44:57,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:44:57,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1991161629, now seen corresponding path program 1 times [2023-04-01 01:44:57,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:44:57,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268313412] [2023-04-01 01:44:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:44:57,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:44:57,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660786219] [2023-04-01 01:44:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:44:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:44:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:44:57,232 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) [2023-04-01 01:44:57,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 01:44:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:44:57,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 01:44:57,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:44:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:44:58,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:44:58,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:44:58,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268313412] [2023-04-01 01:44:58,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:44:58,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660786219] [2023-04-01 01:44:58,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660786219] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:44:58,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:44:58,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 01:44:58,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603997710] [2023-04-01 01:44:58,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:44:58,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 01:44:58,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:44:58,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 01:44:58,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 01:44:58,033 INFO L87 Difference]: Start difference. First operand 5348 states and 7651 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:45:00,096 INFO L93 Difference]: Finished difference Result 12576 states and 17986 transitions. [2023-04-01 01:45:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 01:45:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) Word has length 175 [2023-04-01 01:45:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:45:00,166 INFO L225 Difference]: With dead ends: 12576 [2023-04-01 01:45:00,166 INFO L226 Difference]: Without dead ends: 8885 [2023-04-01 01:45:00,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-04-01 01:45:00,191 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 2666 mSDsluCounter, 14202 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 17159 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 01:45:00,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 17159 Invalid, 1793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 01:45:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8885 states. [2023-04-01 01:45:00,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8885 to 8811. [2023-04-01 01:45:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8811 states, 4890 states have (on average 1.2877300613496931) internal successors, (6297), 5088 states have internal predecessors, (6297), 3155 states have call successors, (3155), 765 states have call predecessors, (3155), 765 states have return successors, (3176), 3082 states have call predecessors, (3176), 3153 states have call successors, (3176) [2023-04-01 01:45:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8811 states to 8811 states and 12628 transitions. [2023-04-01 01:45:00,983 INFO L78 Accepts]: Start accepts. Automaton has 8811 states and 12628 transitions. Word has length 175 [2023-04-01 01:45:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:45:00,984 INFO L495 AbstractCegarLoop]: Abstraction has 8811 states and 12628 transitions. [2023-04-01 01:45:00,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8811 states and 12628 transitions. [2023-04-01 01:45:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-01 01:45:01,003 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:45:01,003 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:45:01,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 01:45:01,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:01,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:45:01,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:45:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash -237656507, now seen corresponding path program 1 times [2023-04-01 01:45:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:45:01,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778351333] [2023-04-01 01:45:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:45:01,300 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:45:01,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [110837840] [2023-04-01 01:45:01,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:01,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:45:01,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:45:01,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 01:45:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:45:02,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 01:45:02,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:45:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:45:02,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:45:02,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:45:02,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778351333] [2023-04-01 01:45:02,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:45:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110837840] [2023-04-01 01:45:02,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110837840] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:45:02,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:45:02,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 01:45:02,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230398379] [2023-04-01 01:45:02,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:45:02,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 01:45:02,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:45:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 01:45:02,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 01:45:02,114 INFO L87 Difference]: Start difference. First operand 8811 states and 12628 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:04,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:45:04,315 INFO L93 Difference]: Finished difference Result 19535 states and 27979 transitions. [2023-04-01 01:45:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 01:45:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) Word has length 176 [2023-04-01 01:45:04,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:45:04,379 INFO L225 Difference]: With dead ends: 19535 [2023-04-01 01:45:04,380 INFO L226 Difference]: Without dead ends: 12371 [2023-04-01 01:45:04,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-04-01 01:45:04,419 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 2666 mSDsluCounter, 14505 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 17538 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 01:45:04,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 17538 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1857 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 01:45:04,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12371 states. [2023-04-01 01:45:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12371 to 12293. [2023-04-01 01:45:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12293 states, 6824 states have (on average 1.2878077373974208) internal successors, (8788), 7105 states have internal predecessors, (8788), 4399 states have call successors, (4399), 1064 states have call predecessors, (4399), 1069 states have return successors, (4444), 4296 states have call predecessors, (4444), 4397 states have call successors, (4444) [2023-04-01 01:45:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12293 states to 12293 states and 17631 transitions. [2023-04-01 01:45:05,364 INFO L78 Accepts]: Start accepts. Automaton has 12293 states and 17631 transitions. Word has length 176 [2023-04-01 01:45:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:45:05,365 INFO L495 AbstractCegarLoop]: Abstraction has 12293 states and 17631 transitions. [2023-04-01 01:45:05,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12293 states and 17631 transitions. [2023-04-01 01:45:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-01 01:45:05,387 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:45:05,388 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:45:05,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-01 01:45:05,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:05,599 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:45:05,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:45:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash 384946934, now seen corresponding path program 1 times [2023-04-01 01:45:05,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:45:05,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974002469] [2023-04-01 01:45:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:45:05,688 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:45:05,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969732073] [2023-04-01 01:45:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:45:05,690 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:45:05,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 01:45:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:45:06,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 01:45:06,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:45:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:45:06,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:45:06,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:45:06,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974002469] [2023-04-01 01:45:06,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:45:06,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969732073] [2023-04-01 01:45:06,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969732073] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:45:06,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:45:06,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 01:45:06,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82265381] [2023-04-01 01:45:06,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:45:06,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 01:45:06,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:45:06,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 01:45:06,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 01:45:06,452 INFO L87 Difference]: Start difference. First operand 12293 states and 17631 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:08,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:45:08,941 INFO L93 Difference]: Finished difference Result 26495 states and 37982 transitions. [2023-04-01 01:45:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 01:45:08,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) Word has length 177 [2023-04-01 01:45:08,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:45:09,014 INFO L225 Difference]: With dead ends: 26495 [2023-04-01 01:45:09,014 INFO L226 Difference]: Without dead ends: 15849 [2023-04-01 01:45:09,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-04-01 01:45:09,055 INFO L413 NwaCegarLoop]: 3679 mSDtfsCounter, 2666 mSDsluCounter, 17089 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 20768 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 01:45:09,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 20768 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 01:45:09,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15849 states. [2023-04-01 01:45:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15849 to 12298. [2023-04-01 01:45:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12298 states, 6828 states have (on average 1.2876391329818395) internal successors, (8792), 7108 states have internal predecessors, (8792), 4399 states have call successors, (4399), 1064 states have call predecessors, (4399), 1070 states have return successors, (4445), 4298 states have call predecessors, (4445), 4397 states have call successors, (4445) [2023-04-01 01:45:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12298 states to 12298 states and 17636 transitions. [2023-04-01 01:45:10,091 INFO L78 Accepts]: Start accepts. Automaton has 12298 states and 17636 transitions. Word has length 177 [2023-04-01 01:45:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:45:10,093 INFO L495 AbstractCegarLoop]: Abstraction has 12298 states and 17636 transitions. [2023-04-01 01:45:10,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-01 01:45:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12298 states and 17636 transitions. [2023-04-01 01:45:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-01 01:45:10,118 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:45:10,119 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:45:10,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 01:45:10,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:10,333 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:45:10,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:45:10,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1186130677, now seen corresponding path program 1 times [2023-04-01 01:45:10,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:45:10,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457550396] [2023-04-01 01:45:10,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:45:10,425 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 01:45:10,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696029496] [2023-04-01 01:45:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:45:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:45:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:45:10,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:45:10,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 01:45:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:45:11,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-01 01:45:11,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:45:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:45:11,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 01:45:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-01 01:45:11,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:45:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457550396] [2023-04-01 01:45:11,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 01:45:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696029496] [2023-04-01 01:45:11,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696029496] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 01:45:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1751645483] [2023-04-01 01:45:11,763 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2023-04-01 01:45:11,763 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 01:45:11,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 01:45:11,776 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 01:45:11,777 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs