/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:57:12,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:57:12,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:57:12,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:57:12,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:57:12,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:57:12,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:57:12,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:57:12,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:57:12,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:57:12,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:57:12,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:57:12,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:57:12,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:57:12,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:57:12,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:57:12,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:57:12,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:57:12,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:57:12,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:57:12,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:57:12,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:57:12,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:57:12,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:57:12,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:57:12,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:57:12,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:57:12,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:57:12,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:57:12,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:57:12,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:57:12,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:57:12,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:57:12,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:57:12,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:57:12,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:57:12,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:57:12,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:57:12,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:57:12,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:57:12,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:57:12,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:57:12,495 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:57:12,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:57:12,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:57:12,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:57:12,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:57:12,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:57:12,496 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:57:12,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:57:12,497 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:57:12,498 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:57:12,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:57:12,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:57:12,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:57:12,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:57:12,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:57:12,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:57:12,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:57:12,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:57:12,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:57:12,685 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:57:12,685 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:57:12,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-04-03 04:57:13,683 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:57:13,936 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:57:13,936 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-04-03 04:57:13,950 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f265855a4/fb3fe60d4d114aa7acd4a701cfd6d713/FLAG10ef9422f [2023-04-03 04:57:13,965 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f265855a4/fb3fe60d4d114aa7acd4a701cfd6d713 [2023-04-03 04:57:13,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:57:13,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:57:13,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:57:13,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:57:13,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:57:13,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:57:13" (1/1) ... [2023-04-03 04:57:13,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c2d55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:13, skipping insertion in model container [2023-04-03 04:57:13,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:57:13" (1/1) ... [2023-04-03 04:57:13,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:57:14,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:57:14,305 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-04-03 04:57:14,305 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-04-03 04:57:14,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-04-03 04:57:14,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:57:14,862 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:57:14,889 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-04-03 04:57:14,889 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-04-03 04:57:14,896 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-04-03 04:57:14,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:57:15,009 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:57:15,014 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:57:15,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15 WrapperNode [2023-04-03 04:57:15,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:57:15,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:57:15,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:57:15,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:57:15,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:57:15,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:57:15,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:57:15,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:57:15,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (1/1) ... [2023-04-03 04:57:15,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:57:15,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:57:15,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:57:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:57:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:57:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2023-04-03 04:57:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 04:57:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-04-03 04:57:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 04:57:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-04-03 04:57:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2023-04-03 04:57:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-04-03 04:57:15,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:57:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_priv [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_read_data [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_read_reg_data [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_write_data [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_write_reg_data [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_transfer_data [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_issue_cmd [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_complete_cmd [2023-04-03 04:57:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_isr [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_abort [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_req_tasklet [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_dummy_submit [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_submit_req [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_reset [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_set_param [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_pmos [2023-04-03 04:57:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_suspend [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_resume [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_count_slots [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_alloc_host [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_free_host [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_probe [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_remove [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_driver_init [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_driver_exit [2023-04-03 04:57:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_2 [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:57:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_21 [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_22 [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_23 [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 04:57:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_add_host [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_alloc_host [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_detect_change [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_free_host [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_next_req [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_remove_host [2023-04-03 04:57:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_resume_host [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_suspend_host [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 04:57:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:57:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-03 04:57:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:57:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_21 [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 04:57:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-04-03 04:57:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 04:57:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:57:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2023-04-03 04:57:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_2 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_22 [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 04:57:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_23 [2023-04-03 04:57:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-03 04:57:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-03 04:57:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-04-03 04:57:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-03 04:57:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2023-04-03 04:57:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_alloc_host [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_add_host [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_remove_host [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_free_host [2023-04-03 04:57:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_detect_change [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_suspend_host [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_resume_host [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_next_req [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_priv [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_read_data [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_read_reg_data [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_write_data [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_write_reg_data [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_transfer_data [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_issue_cmd [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_complete_cmd [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_isr [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_abort [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_req_tasklet [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_dummy_submit [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_submit_req [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_reset [2023-04-03 04:57:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_set_param [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_pmos [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_suspend [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_resume [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_count_slots [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_alloc_host [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_free_host [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_probe [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_remove [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_driver_init [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_driver_exit [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:57:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:57:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:57:15,893 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:57:15,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:57:16,182 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:57:17,783 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:57:18,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:57:18,748 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 04:57:18,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:57:18 BoogieIcfgContainer [2023-04-03 04:57:18,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:57:18,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:57:18,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:57:18,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:57:18,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:57:13" (1/3) ... [2023-04-03 04:57:18,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5770e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:57:18, skipping insertion in model container [2023-04-03 04:57:18,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:57:15" (2/3) ... [2023-04-03 04:57:18,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5770e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:57:18, skipping insertion in model container [2023-04-03 04:57:18,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:57:18" (3/3) ... [2023-04-03 04:57:18,757 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-04-03 04:57:18,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:57:18,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:57:18,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:57:18,854 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;@24d81bbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:57:18,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:57:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 1184 states, 701 states have (on average 1.2653352353780314) internal successors, (887), 729 states have internal predecessors, (887), 328 states have call successors, (328), 147 states have call predecessors, (328), 146 states have return successors, (322), 317 states have call predecessors, (322), 322 states have call successors, (322) [2023-04-03 04:57:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 04:57:18,877 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:57:18,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:57:18,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:57:18,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:57:18,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1151669376, now seen corresponding path program 1 times [2023-04-03 04:57:18,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:57:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282925109] [2023-04-03 04:57:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:57:18,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:57:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:57:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-03 04:57:19,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:57:19,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282925109] [2023-04-03 04:57:19,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282925109] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:57:19,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:57:19,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:57:19,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662857317] [2023-04-03 04:57:19,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:57:19,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:57:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:57:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:57:19,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:57:19,423 INFO L87 Difference]: Start difference. First operand has 1184 states, 701 states have (on average 1.2653352353780314) internal successors, (887), 729 states have internal predecessors, (887), 328 states have call successors, (328), 147 states have call predecessors, (328), 146 states have return successors, (322), 317 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 04:57:21,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:57:21,179 INFO L93 Difference]: Finished difference Result 2716 states and 3529 transitions. [2023-04-03 04:57:21,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:57:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 125 [2023-04-03 04:57:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:57:21,196 INFO L225 Difference]: With dead ends: 2716 [2023-04-03 04:57:21,196 INFO L226 Difference]: Without dead ends: 1639 [2023-04-03 04:57:21,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:57:21,205 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 873 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:57:21,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 2330 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 04:57:21,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2023-04-03 04:57:21,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639. [2023-04-03 04:57:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 989 states have (on average 1.2537917087967645) internal successors, (1240), 1021 states have internal predecessors, (1240), 441 states have call successors, (441), 210 states have call predecessors, (441), 208 states have return successors, (439), 429 states have call predecessors, (439), 439 states have call successors, (439) [2023-04-03 04:57:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2120 transitions. [2023-04-03 04:57:21,341 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2120 transitions. Word has length 125 [2023-04-03 04:57:21,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:57:21,342 INFO L495 AbstractCegarLoop]: Abstraction has 1639 states and 2120 transitions. [2023-04-03 04:57:21,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 04:57:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2120 transitions. [2023-04-03 04:57:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 04:57:21,349 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:57:21,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:57:21,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:57:21,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:57:21,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:57:21,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1571987283, now seen corresponding path program 1 times [2023-04-03 04:57:21,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:57:21,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259931669] [2023-04-03 04:57:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:57:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:57:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:57:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 04:57:21,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:57:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259931669] [2023-04-03 04:57:21,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259931669] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:57:21,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:57:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:57:21,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952469246] [2023-04-03 04:57:21,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:57:21,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:57:21,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:57:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:57:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:57:21,610 INFO L87 Difference]: Start difference. First operand 1639 states and 2120 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2023-04-03 04:57:22,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:57:22,369 INFO L93 Difference]: Finished difference Result 3254 states and 4218 transitions. [2023-04-03 04:57:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:57:22,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 151 [2023-04-03 04:57:22,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:57:22,384 INFO L225 Difference]: With dead ends: 3254 [2023-04-03 04:57:22,384 INFO L226 Difference]: Without dead ends: 1644 [2023-04-03 04:57:22,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:57:22,389 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 5 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:57:22,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2272 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 04:57:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2023-04-03 04:57:22,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1640. [2023-04-03 04:57:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 990 states have (on average 1.2535353535353535) internal successors, (1241), 1022 states have internal predecessors, (1241), 441 states have call successors, (441), 210 states have call predecessors, (441), 208 states have return successors, (439), 429 states have call predecessors, (439), 439 states have call successors, (439) [2023-04-03 04:57:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2121 transitions. [2023-04-03 04:57:22,439 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2121 transitions. Word has length 151 [2023-04-03 04:57:22,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:57:22,440 INFO L495 AbstractCegarLoop]: Abstraction has 1640 states and 2121 transitions. [2023-04-03 04:57:22,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2023-04-03 04:57:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2121 transitions. [2023-04-03 04:57:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 04:57:22,445 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:57:22,445 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:57:22,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:57:22,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:57:22,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:57:22,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1430451419, now seen corresponding path program 1 times [2023-04-03 04:57:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:57:22,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717025177] [2023-04-03 04:57:22,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:57:22,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:57:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:57:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 04:57:22,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:57:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717025177] [2023-04-03 04:57:22,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717025177] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:57:22,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:57:22,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 04:57:22,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280600747] [2023-04-03 04:57:22,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:57:22,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 04:57:22,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:57:22,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 04:57:22,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 04:57:22,776 INFO L87 Difference]: Start difference. First operand 1640 states and 2121 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2023-04-03 04:57:25,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:57:25,472 INFO L93 Difference]: Finished difference Result 3274 states and 4247 transitions. [2023-04-03 04:57:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 04:57:25,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 152 [2023-04-03 04:57:25,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:57:25,479 INFO L225 Difference]: With dead ends: 3274 [2023-04-03 04:57:25,480 INFO L226 Difference]: Without dead ends: 1663 [2023-04-03 04:57:25,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 04:57:25,484 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 18 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 5660 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:57:25,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 5660 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 04:57:25,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2023-04-03 04:57:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1657. [2023-04-03 04:57:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1003 states have (on average 1.255234297108674) internal successors, (1259), 1035 states have internal predecessors, (1259), 444 states have call successors, (444), 210 states have call predecessors, (444), 209 states have return successors, (443), 433 states have call predecessors, (443), 442 states have call successors, (443) [2023-04-03 04:57:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2146 transitions. [2023-04-03 04:57:25,530 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2146 transitions. Word has length 152 [2023-04-03 04:57:25,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:57:25,532 INFO L495 AbstractCegarLoop]: Abstraction has 1657 states and 2146 transitions. [2023-04-03 04:57:25,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2023-04-03 04:57:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2146 transitions. [2023-04-03 04:57:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 04:57:25,537 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:57:25,537 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:57:25,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:57:25,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:57:25,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:57:25,538 INFO L85 PathProgramCache]: Analyzing trace with hash 200089130, now seen corresponding path program 1 times [2023-04-03 04:57:25,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:57:25,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776011225] [2023-04-03 04:57:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:57:25,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:57:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:57:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 04:57:25,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:57:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776011225] [2023-04-03 04:57:25,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776011225] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:57:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545020904] [2023-04-03 04:57:25,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:57:25,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:57:25,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:57:25,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:57:25,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 04:57:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:57:26,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 04:57:26,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:57:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 04:57:26,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:57:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 04:57:26,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545020904] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:57:26,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [808971240] [2023-04-03 04:57:26,639 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2023-04-03 04:57:26,640 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:57:26,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:57:26,645 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:57:26,646 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:57:32,040 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 166 for LOIs [2023-04-03 04:57:33,834 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 214 for LOIs [2023-04-03 04:57:35,116 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 117 for LOIs [2023-04-03 04:57:35,132 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 144 for LOIs [2023-04-03 04:57:35,211 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 137 for LOIs [2023-04-03 04:57:35,236 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 04:57:40,887 WARN L223 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 1002 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:57:44,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [808971240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:57:44,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-03 04:57:44,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 19 [2023-04-03 04:57:44,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413746397] [2023-04-03 04:57:44,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:57:44,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 04:57:44,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:57:44,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 04:57:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2023-04-03 04:57:44,174 INFO L87 Difference]: Start difference. First operand 1657 states and 2146 transitions. Second operand has 14 states, 10 states have (on average 7.8) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-03 04:57:54,353 WARN L223 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 1164 DAG size of output: 1122 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:58:23,368 WARN L223 SmtUtils]: Spent 28.39s on a formula simplification. DAG size of input: 1172 DAG size of output: 1130 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:58:42,263 WARN L223 SmtUtils]: Spent 18.51s on a formula simplification. DAG size of input: 1180 DAG size of output: 1138 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:59:00,803 WARN L223 SmtUtils]: Spent 18.13s on a formula simplification. DAG size of input: 1188 DAG size of output: 1146 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:59:17,665 WARN L223 SmtUtils]: Spent 16.53s on a formula simplification. DAG size of input: 1194 DAG size of output: 1152 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 04:59:46,223 WARN L223 SmtUtils]: Spent 23.48s on a formula simplification. DAG size of input: 1178 DAG size of output: 1135 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 05:00:12,946 WARN L223 SmtUtils]: Spent 25.68s on a formula simplification. DAG size of input: 1182 DAG size of output: 1139 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 05:00:24,688 WARN L223 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 1173 DAG size of output: 1131 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 05:00:36,156 WARN L223 SmtUtils]: Spent 11.23s on a formula simplification. DAG size of input: 1175 DAG size of output: 1133 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 05:01:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:01:13,892 INFO L93 Difference]: Finished difference Result 3393 states and 4415 transitions. [2023-04-03 05:01:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 05:01:13,893 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 7.8) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 154 [2023-04-03 05:01:13,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:01:13,902 INFO L225 Difference]: With dead ends: 3393 [2023-04-03 05:01:13,902 INFO L226 Difference]: Without dead ends: 1759 [2023-04-03 05:01:13,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 178.8s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2023-04-03 05:01:13,910 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 677 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 12177 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 12413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 12177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2023-04-03 05:01:13,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 1231 Invalid, 12413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [236 Valid, 12177 Invalid, 0 Unknown, 0 Unchecked, 39.0s Time] [2023-04-03 05:01:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-04-03 05:01:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1670. [2023-04-03 05:01:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1010 states have (on average 1.2544554455445545) internal successors, (1267), 1043 states have internal predecessors, (1267), 446 states have call successors, (446), 213 states have call predecessors, (446), 213 states have return successors, (447), 435 states have call predecessors, (447), 444 states have call successors, (447) [2023-04-03 05:01:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2160 transitions. [2023-04-03 05:01:14,370 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2160 transitions. Word has length 154 [2023-04-03 05:01:14,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:01:14,370 INFO L495 AbstractCegarLoop]: Abstraction has 1670 states and 2160 transitions. [2023-04-03 05:01:14,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 7.8) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (30), 6 states have call predecessors, (30), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-03 05:01:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2160 transitions. [2023-04-03 05:01:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-03 05:01:14,374 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:01:14,375 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:01:14,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 05:01:14,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:01:14,589 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:01:14,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:01:14,590 INFO L85 PathProgramCache]: Analyzing trace with hash -929485024, now seen corresponding path program 1 times [2023-04-03 05:01:14,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:01:14,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266824184] [2023-04-03 05:01:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:01:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:01:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:01:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-03 05:01:14,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:01:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266824184] [2023-04-03 05:01:14,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266824184] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:01:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793755886] [2023-04-03 05:01:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:01:14,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:01:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:01:14,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:01:14,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 05:01:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:01:15,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 05:01:15,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:01:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-03 05:01:15,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:01:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-03 05:01:15,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793755886] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 05:01:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1751166776] [2023-04-03 05:01:15,513 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2023-04-03 05:01:15,513 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 05:01:15,514 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 05:01:15,514 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 05:01:15,514 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 05:01:20,259 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 166 for LOIs [2023-04-03 05:01:22,041 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 214 for LOIs