/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 EqDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 13:52:26,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 13:52:26,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 13:52:26,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 13:52:26,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 13:52:26,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 13:52:26,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 13:52:26,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 13:52:26,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 13:52:26,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 13:52:26,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 13:52:26,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 13:52:26,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 13:52:26,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 13:52:26,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 13:52:26,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 13:52:26,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 13:52:26,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 13:52:26,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 13:52:26,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 13:52:26,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 13:52:26,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 13:52:26,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 13:52:26,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 13:52:26,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 13:52:26,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 13:52:26,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 13:52:26,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 13:52:26,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 13:52:26,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 13:52:26,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 13:52:26,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 13:52:26,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 13:52:26,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 13:52:26,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 13:52:26,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 13:52:26,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 13:52:26,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 13:52:26,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 13:52:26,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 13:52:26,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 13:52:26,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 13:52:26,313 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 13:52:26,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 13:52:26,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 13:52:26,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 13:52:26,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 13:52:26,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 13:52:26,315 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 13:52:26,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 13:52:26,315 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 13:52:26,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 13:52:26,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 13:52:26,316 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 13:52:26,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 13:52:26,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 13:52:26,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 13:52:26,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:52:26,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 13:52:26,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 13:52:26,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 13:52:26,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 13:52:26,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 13:52:26,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 13:52:26,503 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 13:52:26,504 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 13:52:26,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 13:52:27,536 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 13:52:28,018 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 13:52:28,018 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 13:52:28,054 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcdd5a93f/15fe854826e743499e62af549e09e4e1/FLAG67ca4321a [2023-04-01 13:52:28,067 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcdd5a93f/15fe854826e743499e62af549e09e4e1 [2023-04-01 13:52:28,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 13:52:28,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 13:52:28,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 13:52:28,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 13:52:28,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 13:52:28,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:52:28" (1/1) ... [2023-04-01 13:52:28,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b81bfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:28, skipping insertion in model container [2023-04-01 13:52:28,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:52:28" (1/1) ... [2023-04-01 13:52:28,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 13:52:28,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 13:52:30,135 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-04-01 13:52:30,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:52:30,298 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 13:52:30,646 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-04-01 13:52:30,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:52:30,759 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:52:30,764 INFO L208 MainTranslator]: Completed translation [2023-04-01 13:52:30,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30 WrapperNode [2023-04-01 13:52:30,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 13:52:30,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 13:52:30,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 13:52:30,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 13:52:30,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:30,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:30,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:30,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,066 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 13:52:31,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 13:52:31,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 13:52:31,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 13:52:31,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (1/1) ... [2023-04-01 13:52:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:52:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:52:31,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 13:52:31,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 13:52:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 13:52:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 13:52:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-01 13:52:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2023-04-01 13:52:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipetype_str [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-04-01 13:52:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_in_timeout [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_resubmit [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2023-04-01 13:52:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure write_iso_callback [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure starturbs [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_iso_write_urb [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure write_iso_tasklet [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_tasklet [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure req_timeout [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atrdy_timeout [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-04-01 13:52:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2023-04-01 13:52:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-04-01 13:52:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-04-01 13:52:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-04-01 13:52:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-04-01 13:52:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-04-01 13:52:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_post_reset [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bas_gigaset_init [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bas_gigaset_exit [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_6 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_5 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_4 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_3 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-01 13:52:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_4 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_2 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_7 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_5 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-01 13:52:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-01 13:52:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-04-01 13:52:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-04-01 13:52:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_5 [2023-04-01 13:52:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2023-04-01 13:52:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_5 [2023-04-01 13:52:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2023-04-01 13:52:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-04-01 13:52:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-01 13:52:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_43 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_44 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_45 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_46 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_47 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_48 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_49 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_50 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_51 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_52 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_53 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_54 [2023-04-01 13:52:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_55 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_56 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_57 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_58 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_59 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_60 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_61 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_62 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_63 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_64 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_65 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_66 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_67 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_68 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_69 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_70 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_71 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_72 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_73 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_74 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_75 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_76 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_77 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_78 [2023-04-01 13:52:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_79 [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_80 [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_81 [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_82 [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_put [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_trim [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_new_rx_skb [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isowbuf_init [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_freebytes [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_startwrite [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_donewrite [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_putbits [2023-04-01 13:52:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isowbuf_putflag [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isowbuf_getbytes [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_bytes [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_bitstuff_byte [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_buildframe [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure trans_buildframe [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_buildframe [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_putbyte [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_flush [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_done [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_frag [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_unpack [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure trans_receive [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_receive [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_loop [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_123 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_124 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_125 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_126 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_127 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_139 [2023-04-01 13:52:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_141 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_143 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_144 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_145 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_146 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_147 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_148 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_149 [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-04-01 13:52:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 13:52:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 13:52:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-01 13:52:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_hi_schedule [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-04-01 13:52:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_handle_modem_response [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_if_receive [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isdn_rcv_err [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_rcvd [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 13:52:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 13:52:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 13:52:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 13:52:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 13:52:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_43 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_49 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_56 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_58 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_45 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_48 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_60 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_62 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_70 [2023-04-01 13:52:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_71 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_72 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_73 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_75 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_76 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_77 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_78 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_74 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_79 [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 13:52:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_6 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_5 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_4 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_3 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_4 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_2 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_7 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_5 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-01 13:52:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_5 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_5 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2023-04-01 13:52:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_hi_schedule [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_receive [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_buildframe [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isowbuf_init [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isowbuf_getbytes [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2023-04-01 13:52:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_81 [2023-04-01 13:52:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_82 [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_63 [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_64 [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_65 [2023-04-01 13:52:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_66 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_67 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_68 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_44 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_46 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_47 [2023-04-01 13:52:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_50 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_51 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_52 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_53 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_54 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_55 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_57 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_59 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_61 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_69 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_80 [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_post_reset [2023-04-01 13:52:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipetype_str [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_in_timeout [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_resubmit [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2023-04-01 13:52:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write_iso_callback [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure starturbs [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure submit_iso_write_urb [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write_iso_tasklet [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_tasklet [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure req_timeout [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure atrdy_timeout [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure bas_gigaset_init [2023-04-01 13:52:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure bas_gigaset_exit [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_123 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_125 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_124 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_127 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_126 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_141 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_149 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_143 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_139 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_147 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_148 [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-04-01 13:52:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_put [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_trim [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_144 [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_145 [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_146 [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_rcvd [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isdn_rcv_err [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_handle_modem_response [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_new_rx_skb [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_if_receive [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_freebytes [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_startwrite [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_donewrite [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_putbits [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure isowbuf_putflag [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure dump_bytes [2023-04-01 13:52:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_bitstuff_byte [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_buildframe [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure trans_buildframe [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_putbyte [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_flush [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_done [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_frag [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_unpack [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure trans_receive [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_loop [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 13:52:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 13:52:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 13:52:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 13:52:32,062 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 13:52:32,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 13:52:32,383 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 13:52:37,786 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 13:52:40,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 13:52:40,624 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 13:52:40,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:52:40 BoogieIcfgContainer [2023-04-01 13:52:40,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 13:52:40,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 13:52:40,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 13:52:40,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 13:52:40,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:52:28" (1/3) ... [2023-04-01 13:52:40,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa94449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:52:40, skipping insertion in model container [2023-04-01 13:52:40,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:52:30" (2/3) ... [2023-04-01 13:52:40,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa94449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:52:40, skipping insertion in model container [2023-04-01 13:52:40,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:52:40" (3/3) ... [2023-04-01 13:52:40,635 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-04-01 13:52:40,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 13:52:40,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 13:52:40,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 13:52:40,748 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;@534bcdca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 13:52:40,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 13:52:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 3045 states, 1808 states have (on average 1.301438053097345) internal successors, (2353), 1894 states have internal predecessors, (2353), 954 states have call successors, (954), 250 states have call predecessors, (954), 249 states have return successors, (945), 913 states have call predecessors, (945), 945 states have call successors, (945) [2023-04-01 13:52:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-01 13:52:40,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:40,784 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:40,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:40,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:40,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1676435073, now seen corresponding path program 1 times [2023-04-01 13:52:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:40,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813459251] [2023-04-01 13:52:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 13:52:41,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:41,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813459251] [2023-04-01 13:52:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813459251] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:41,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:41,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:52:41,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305682025] [2023-04-01 13:52:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:41,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:52:41,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:41,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:52:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:52:41,756 INFO L87 Difference]: Start difference. First operand has 3045 states, 1808 states have (on average 1.301438053097345) internal successors, (2353), 1894 states have internal predecessors, (2353), 954 states have call successors, (954), 250 states have call predecessors, (954), 249 states have return successors, (945), 913 states have call predecessors, (945), 945 states have call successors, (945) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 13:52:43,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:43,860 INFO L93 Difference]: Finished difference Result 4944 states and 6985 transitions. [2023-04-01 13:52:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:52:43,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2023-04-01 13:52:43,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:43,885 INFO L225 Difference]: With dead ends: 4944 [2023-04-01 13:52:43,885 INFO L226 Difference]: Without dead ends: 2957 [2023-04-01 13:52:43,898 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 [2023-04-01 13:52:43,900 INFO L413 NwaCegarLoop]: 2386 mSDtfsCounter, 1728 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:43,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 4571 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 13:52:43,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2023-04-01 13:52:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2954. [2023-04-01 13:52:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2954 states, 1766 states have (on average 1.2944507361268403) internal successors, (2286), 1842 states have internal predecessors, (2286), 886 states have call successors, (886), 303 states have call predecessors, (886), 301 states have return successors, (884), 839 states have call predecessors, (884), 884 states have call successors, (884) [2023-04-01 13:52:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 4056 transitions. [2023-04-01 13:52:44,109 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 4056 transitions. Word has length 153 [2023-04-01 13:52:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:44,111 INFO L495 AbstractCegarLoop]: Abstraction has 2954 states and 4056 transitions. [2023-04-01 13:52:44,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 13:52:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 4056 transitions. [2023-04-01 13:52:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-01 13:52:44,119 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:44,119 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:44,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 13:52:44,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:44,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash 945997939, now seen corresponding path program 1 times [2023-04-01 13:52:44,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:44,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197447243] [2023-04-01 13:52:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:44,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 13:52:44,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197447243] [2023-04-01 13:52:44,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197447243] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:44,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:44,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:52:44,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296813962] [2023-04-01 13:52:44,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:44,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:52:44,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:44,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:52:44,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:52:44,591 INFO L87 Difference]: Start difference. First operand 2954 states and 4056 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 13:52:46,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:46,519 INFO L93 Difference]: Finished difference Result 7822 states and 10800 transitions. [2023-04-01 13:52:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:52:46,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 161 [2023-04-01 13:52:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:46,544 INFO L225 Difference]: With dead ends: 7822 [2023-04-01 13:52:46,544 INFO L226 Difference]: Without dead ends: 4923 [2023-04-01 13:52:46,554 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 [2023-04-01 13:52:46,558 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 1851 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:46,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 4459 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 13:52:46,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2023-04-01 13:52:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4908. [2023-04-01 13:52:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 2970 states have (on average 1.3127946127946128) internal successors, (3899), 3122 states have internal predecessors, (3899), 1446 states have call successors, (1446), 493 states have call predecessors, (1446), 491 states have return successors, (1446), 1354 states have call predecessors, (1446), 1444 states have call successors, (1446) [2023-04-01 13:52:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 6791 transitions. [2023-04-01 13:52:46,725 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 6791 transitions. Word has length 161 [2023-04-01 13:52:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:46,727 INFO L495 AbstractCegarLoop]: Abstraction has 4908 states and 6791 transitions. [2023-04-01 13:52:46,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-01 13:52:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 6791 transitions. [2023-04-01 13:52:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-01 13:52:46,728 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:46,729 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:46,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 13:52:46,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:46,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1303273756, now seen corresponding path program 1 times [2023-04-01 13:52:46,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:46,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857111810] [2023-04-01 13:52:46,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:46,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-01 13:52:47,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857111810] [2023-04-01 13:52:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857111810] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 13:52:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120036418] [2023-04-01 13:52:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:47,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 13:52:47,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:47,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 13:52:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 13:52:47,953 INFO L87 Difference]: Start difference. First operand 4908 states and 6791 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 13:52:49,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:49,742 INFO L93 Difference]: Finished difference Result 5407 states and 7439 transitions. [2023-04-01 13:52:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 13:52:49,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 164 [2023-04-01 13:52:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:49,766 INFO L225 Difference]: With dead ends: 5407 [2023-04-01 13:52:49,767 INFO L226 Difference]: Without dead ends: 5404 [2023-04-01 13:52:49,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:49,771 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2081 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 5099 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:49,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5099 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 13:52:49,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2023-04-01 13:52:49,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 5352. [2023-04-01 13:52:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5352 states, 3264 states have (on average 1.3213848039215685) internal successors, (4313), 3426 states have internal predecessors, (4313), 1520 states have call successors, (1520), 577 states have call predecessors, (1520), 567 states have return successors, (1522), 1418 states have call predecessors, (1522), 1518 states have call successors, (1522) [2023-04-01 13:52:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 7355 transitions. [2023-04-01 13:52:49,958 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 7355 transitions. Word has length 164 [2023-04-01 13:52:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:49,959 INFO L495 AbstractCegarLoop]: Abstraction has 5352 states and 7355 transitions. [2023-04-01 13:52:49,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 13:52:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 7355 transitions. [2023-04-01 13:52:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-01 13:52:49,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:49,964 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:49,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 13:52:49,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:49,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash 62149882, now seen corresponding path program 1 times [2023-04-01 13:52:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926110384] [2023-04-01 13:52:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 13:52:50,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:50,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926110384] [2023-04-01 13:52:50,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926110384] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:50,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:50,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:52:50,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490153380] [2023-04-01 13:52:50,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:50,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:52:50,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:52:50,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:50,843 INFO L87 Difference]: Start difference. First operand 5352 states and 7355 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:53,162 INFO L93 Difference]: Finished difference Result 10639 states and 14634 transitions. [2023-04-01 13:52:53,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 13:52:53,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2023-04-01 13:52:53,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:53,191 INFO L225 Difference]: With dead ends: 10639 [2023-04-01 13:52:53,191 INFO L226 Difference]: Without dead ends: 5350 [2023-04-01 13:52:53,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:53,212 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 3831 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3831 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:53,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3831 Valid, 2268 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-01 13:52:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5350 states. [2023-04-01 13:52:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5350 to 5350. [2023-04-01 13:52:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5350 states, 3265 states have (on average 1.3188361408882083) internal successors, (4306), 3423 states have internal predecessors, (4306), 1516 states have call successors, (1516), 578 states have call predecessors, (1516), 568 states have return successors, (1518), 1418 states have call predecessors, (1518), 1514 states have call successors, (1518) [2023-04-01 13:52:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5350 states to 5350 states and 7340 transitions. [2023-04-01 13:52:53,482 INFO L78 Accepts]: Start accepts. Automaton has 5350 states and 7340 transitions. Word has length 211 [2023-04-01 13:52:53,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:53,483 INFO L495 AbstractCegarLoop]: Abstraction has 5350 states and 7340 transitions. [2023-04-01 13:52:53,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5350 states and 7340 transitions. [2023-04-01 13:52:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-04-01 13:52:53,487 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:53,487 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:53,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 13:52:53,488 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:53,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -409189323, now seen corresponding path program 1 times [2023-04-01 13:52:53,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020658514] [2023-04-01 13:52:53,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 13:52:54,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:54,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020658514] [2023-04-01 13:52:54,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020658514] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:54,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:54,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:52:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153751565] [2023-04-01 13:52:54,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:54,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:52:54,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:54,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:52:54,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:54,239 INFO L87 Difference]: Start difference. First operand 5350 states and 7340 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:56,392 INFO L93 Difference]: Finished difference Result 10631 states and 14602 transitions. [2023-04-01 13:52:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 13:52:56,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 212 [2023-04-01 13:52:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:56,417 INFO L225 Difference]: With dead ends: 10631 [2023-04-01 13:52:56,417 INFO L226 Difference]: Without dead ends: 5346 [2023-04-01 13:52:56,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:56,432 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 3827 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:56,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 2265 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 13:52:56,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5346 states. [2023-04-01 13:52:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5346 to 5346. [2023-04-01 13:52:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5346 states, 3265 states have (on average 1.3176110260336906) internal successors, (4302), 3419 states have internal predecessors, (4302), 1512 states have call successors, (1512), 578 states have call predecessors, (1512), 568 states have return successors, (1514), 1418 states have call predecessors, (1514), 1510 states have call successors, (1514) [2023-04-01 13:52:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5346 states to 5346 states and 7328 transitions. [2023-04-01 13:52:56,631 INFO L78 Accepts]: Start accepts. Automaton has 5346 states and 7328 transitions. Word has length 212 [2023-04-01 13:52:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:56,634 INFO L495 AbstractCegarLoop]: Abstraction has 5346 states and 7328 transitions. [2023-04-01 13:52:56,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 7328 transitions. [2023-04-01 13:52:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-01 13:52:56,637 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:56,637 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:56,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 13:52:56,637 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:56,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:56,638 INFO L85 PathProgramCache]: Analyzing trace with hash -358604254, now seen corresponding path program 1 times [2023-04-01 13:52:56,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:56,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995186836] [2023-04-01 13:52:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:56,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 13:52:57,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:57,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995186836] [2023-04-01 13:52:57,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995186836] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:57,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:57,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:52:57,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608208681] [2023-04-01 13:52:57,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:57,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:52:57,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:52:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:57,367 INFO L87 Difference]: Start difference. First operand 5346 states and 7328 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:52:58,535 INFO L93 Difference]: Finished difference Result 10623 states and 14578 transitions. [2023-04-01 13:52:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 13:52:58,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 213 [2023-04-01 13:52:58,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:52:58,567 INFO L225 Difference]: With dead ends: 10623 [2023-04-01 13:52:58,567 INFO L226 Difference]: Without dead ends: 5342 [2023-04-01 13:52:58,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:58,582 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 2500 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 2262 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 13:52:58,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 2262 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 13:52:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2023-04-01 13:52:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5342. [2023-04-01 13:52:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5342 states, 3265 states have (on average 1.3163859111791731) internal successors, (4298), 3415 states have internal predecessors, (4298), 1508 states have call successors, (1508), 578 states have call predecessors, (1508), 568 states have return successors, (1510), 1418 states have call predecessors, (1510), 1506 states have call successors, (1510) [2023-04-01 13:52:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 7316 transitions. [2023-04-01 13:52:58,807 INFO L78 Accepts]: Start accepts. Automaton has 5342 states and 7316 transitions. Word has length 213 [2023-04-01 13:52:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:52:58,808 INFO L495 AbstractCegarLoop]: Abstraction has 5342 states and 7316 transitions. [2023-04-01 13:52:58,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:52:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 5342 states and 7316 transitions. [2023-04-01 13:52:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-01 13:52:58,811 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:52:58,811 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:52:58,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 13:52:58,812 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:52:58,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:52:58,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1308235875, now seen corresponding path program 1 times [2023-04-01 13:52:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:52:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734088769] [2023-04-01 13:52:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:52:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:52:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:52:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-04-01 13:52:59,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:52:59,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734088769] [2023-04-01 13:52:59,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734088769] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:52:59,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:52:59,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:52:59,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926641562] [2023-04-01 13:52:59,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:52:59,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:52:59,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:52:59,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:52:59,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:52:59,601 INFO L87 Difference]: Start difference. First operand 5342 states and 7316 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:53:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:53:01,786 INFO L93 Difference]: Finished difference Result 10377 states and 14210 transitions. [2023-04-01 13:53:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 13:53:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 214 [2023-04-01 13:53:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:53:01,807 INFO L225 Difference]: With dead ends: 10377 [2023-04-01 13:53:01,808 INFO L226 Difference]: Without dead ends: 5100 [2023-04-01 13:53:01,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:53:01,825 INFO L413 NwaCegarLoop]: 2194 mSDtfsCounter, 3749 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-01 13:53:01,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 2216 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1021 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-01 13:53:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2023-04-01 13:53:02,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 5100. [2023-04-01 13:53:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5100 states, 3127 states have (on average 1.3169171730092741) internal successors, (4118), 3265 states have internal predecessors, (4118), 1420 states have call successors, (1420), 560 states have call predecessors, (1420), 552 states have return successors, (1422), 1336 states have call predecessors, (1422), 1418 states have call successors, (1422) [2023-04-01 13:53:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5100 states to 5100 states and 6960 transitions. [2023-04-01 13:53:02,095 INFO L78 Accepts]: Start accepts. Automaton has 5100 states and 6960 transitions. Word has length 214 [2023-04-01 13:53:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:53:02,096 INFO L495 AbstractCegarLoop]: Abstraction has 5100 states and 6960 transitions. [2023-04-01 13:53:02,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:53:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5100 states and 6960 transitions. [2023-04-01 13:53:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-01 13:53:02,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:53:02,099 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:53:02,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 13:53:02,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:53:02,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:53:02,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1403154328, now seen corresponding path program 1 times [2023-04-01 13:53:02,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:53:02,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996326341] [2023-04-01 13:53:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:53:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:53:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:53:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-04-01 13:53:02,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:53:02,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996326341] [2023-04-01 13:53:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996326341] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:53:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:53:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:53:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967542463] [2023-04-01 13:53:02,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:53:02,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:53:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:53:02,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:53:02,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:53:02,716 INFO L87 Difference]: Start difference. First operand 5100 states and 6960 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:53:07,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:53:07,693 INFO L93 Difference]: Finished difference Result 20181 states and 27902 transitions. [2023-04-01 13:53:07,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 13:53:07,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 209 [2023-04-01 13:53:07,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:53:07,754 INFO L225 Difference]: With dead ends: 20181 [2023-04-01 13:53:07,755 INFO L226 Difference]: Without dead ends: 15146 [2023-04-01 13:53:07,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:53:07,774 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 6093 mSDsluCounter, 4937 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 1026 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 7203 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1026 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-01 13:53:07,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 7203 Invalid, 2969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1026 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-01 13:53:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15146 states. [2023-04-01 13:53:08,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15146 to 15104. [2023-04-01 13:53:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15104 states, 9299 states have (on average 1.3182062587374987) internal successors, (12258), 9685 states have internal predecessors, (12258), 4188 states have call successors, (4188), 1636 states have call predecessors, (4188), 1616 states have return successors, (4490), 3948 states have call predecessors, (4490), 4186 states have call successors, (4490) [2023-04-01 13:53:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15104 states to 15104 states and 20936 transitions. [2023-04-01 13:53:08,480 INFO L78 Accepts]: Start accepts. Automaton has 15104 states and 20936 transitions. Word has length 209 [2023-04-01 13:53:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:53:08,481 INFO L495 AbstractCegarLoop]: Abstraction has 15104 states and 20936 transitions. [2023-04-01 13:53:08,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:53:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 15104 states and 20936 transitions. [2023-04-01 13:53:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-01 13:53:08,484 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:53:08,485 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:53:08,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 13:53:08,486 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:53:08,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:53:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1047767906, now seen corresponding path program 1 times [2023-04-01 13:53:08,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:53:08,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95417858] [2023-04-01 13:53:08,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:53:08,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:53:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:53:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-04-01 13:53:09,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:53:09,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95417858] [2023-04-01 13:53:09,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95417858] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:53:09,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:53:09,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:53:09,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369536035] [2023-04-01 13:53:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:53:09,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:53:09,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:53:09,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:53:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:53:09,176 INFO L87 Difference]: Start difference. First operand 15104 states and 20936 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-01 13:53:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:53:15,775 INFO L93 Difference]: Finished difference Result 60181 states and 84846 transitions. [2023-04-01 13:53:15,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 13:53:15,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 4 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 210 [2023-04-01 13:53:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:53:15,985 INFO L225 Difference]: With dead ends: 60181 [2023-04-01 13:53:15,986 INFO L226 Difference]: Without dead ends: 45142 [2023-04-01 13:53:16,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:53:16,040 INFO L413 NwaCegarLoop]: 2213 mSDtfsCounter, 4786 mSDsluCounter, 6016 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 8229 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-01 13:53:16,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 8229 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3232 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-01 13:53:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45142 states.