/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:57:58,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:57:58,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:57:58,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:57:58,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:57:58,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:57:58,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:57:58,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:57:58,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:57:58,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:57:58,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:57:58,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:57:58,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:57:58,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:57:58,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:57:58,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:57:58,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:57:58,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:57:58,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:57:58,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:57:58,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:57:58,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:57:58,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:57:58,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:57:58,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:57:58,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:57:58,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:57:58,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:57:58,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:57:58,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:57:58,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:57:58,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:57:58,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:57:58,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:57:58,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:57:58,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:57:58,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:57:58,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:57:58,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:57:58,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:57:58,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:57:58,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 10:57:58,352 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:57:58,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:57:58,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:57:58,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:57:58,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:57:58,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:57:58,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:57:58,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:57:58,355 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:57:58,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:57:58,356 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:57:58,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:57:58,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:57:58,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:57:58,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:57:58,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:57:58,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:57:58,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:57:58,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:57:58,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:57:58,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:57:58,359 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:57:58,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:57:58,360 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:57:58,360 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:57:58,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:57:58,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:57:58,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:57:58,629 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:57:58,630 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:57:58,631 INFO L432 ainManager$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--usb--serial--mos7840.ko-entry_point.cil.out.i [2023-04-02 10:57:59,857 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:58:00,367 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:58:00,367 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--usb--serial--mos7840.ko-entry_point.cil.out.i [2023-04-02 10:58:00,404 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94aad3e84/9325f63e5bb548c9995f1b1390604afd/FLAGfaaa303df [2023-04-02 10:58:00,419 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94aad3e84/9325f63e5bb548c9995f1b1390604afd [2023-04-02 10:58:00,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:58:00,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:58:00,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:58:00,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:58:00,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:58:00,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:58:00" (1/1) ... [2023-04-02 10:58:00,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b9fb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:00, skipping insertion in model container [2023-04-02 10:58:00,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:58:00" (1/1) ... [2023-04-02 10:58:00,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:58:00,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:58:02,172 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--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2023-04-02 10:58:02,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:58:02,264 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:58:02,637 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--usb--serial--mos7840.ko-entry_point.cil.out.i[297800,297813] [2023-04-02 10:58:02,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:58:02,694 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:58:02,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02 WrapperNode [2023-04-02 10:58:02,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:58:02,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:58:02,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:58:02,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:58:02,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:02,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:02,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:02,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:02,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:02,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:03,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:03,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:03,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:58:03,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:58:03,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:58:03,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:58:03,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (1/1) ... [2023-04-02 10:58:03,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:58:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:58:03,111 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) [2023-04-02 10:58:03,118 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 [2023-04-02 10:58:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:58:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:58:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:58:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:58:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-04-02 10:58:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 10:58:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2023-04-02 10:58:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:58:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:58:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:58:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-02 10:58:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_reg_sync [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_reg_sync [2023-04-02 10:58:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_uart_reg [2023-04-02 10:58:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_uart_reg [2023-04-02 10:58:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_dump_serial_port [2023-04-02 10:58:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_port_private [2023-04-02 10:58:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_port_private [2023-04-02 10:58:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_handle_new_msr [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_handle_new_lsr [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_control_callback [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_reg [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_callback [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_async [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_led_sync [2023-04-02 10:58:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_off [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_flag_off [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_led_activity [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_interrupt_callback [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_paranoia_check [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_serial_paranoia_check [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_usb_serial [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_bulk_in_callback [2023-04-02 10:58:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_bulk_out_data_callback [2023-04-02 10:58:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_open [2023-04-02 10:58:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_chars_in_buffer [2023-04-02 10:58:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_close [2023-04-02 10:58:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_break [2023-04-02 10:58:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write_room [2023-04-02 10:58:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_write [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_throttle [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_unthrottle [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmget [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_tiocmset [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_calc_baud_rate_divisor [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_send_cmd_write_baud_rate [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_change_port_settings [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_set_termios [2023-04-02 10:58:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_lsr_info [2023-04-02 10:58:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_get_serial_info [2023-04-02 10:58:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_ioctl [2023-04-02 10:58:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7810_check [2023-04-02 10:58:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_probe [2023-04-02 10:58:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_calc_num_ports [2023-04-02 10:58:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_probe [2023-04-02 10:58:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mos7840_port_remove [2023-04-02 10:58:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2023-04-02 10:58:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2023-04-02 10:58:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-02 10:58:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-02 10:58:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-04-02 10:58:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-02 10:58:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-02 10:58:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-04-02 10:58:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_2 [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:58:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:58:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 10:58:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2023-04-02 10:58:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2023-04-02 10:58:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2023-04-02 10:58:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_29 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2023-04-02 10:58:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_35 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_37 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_38 [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:58:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:58:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:58:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:58:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:58:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:58:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:58:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:58:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:58:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-02 10:58:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 10:58:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-02 10:58:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_attach_3 [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_3 [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:58:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-02 10:58:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-02 10:58:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:58:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:58:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:58:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:58:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:58:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:58:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:58:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_37 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_38 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-02 10:58:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_2 [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 10:58:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_29 [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_35 [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2023-04-02 10:58:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-04-02 10:58:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-04-02 10:58:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-04-02 10:58:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-04-02 10:58:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_reg_sync [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_reg_sync [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_uart_reg [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_uart_reg [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_dump_serial_port [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_port_private [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_port_private [2023-04-02 10:58:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_handle_new_msr [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_handle_new_lsr [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_control_callback [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_reg [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_callback [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_async [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_led_sync [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_off [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_flag_off [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_led_activity [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_interrupt_callback [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_paranoia_check [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_serial_paranoia_check [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_usb_serial [2023-04-02 10:58:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_bulk_in_callback [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_bulk_out_data_callback [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_open [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_chars_in_buffer [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_close [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_break [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write_room [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_write [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_throttle [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_unthrottle [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmget [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_tiocmset [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_calc_baud_rate_divisor [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_send_cmd_write_baud_rate [2023-04-02 10:58:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_change_port_settings [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_set_termios [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_lsr_info [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_get_serial_info [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_ioctl [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7810_check [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_probe [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_calc_num_ports [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_probe [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure mos7840_port_remove [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_attach_3 [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_3 [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:58:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:58:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:58:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:58:03,898 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:58:03,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:58:06,415 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:58:13,160 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:58:13,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:58:13,186 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:58:13,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:58:13 BoogieIcfgContainer [2023-04-02 10:58:13,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:58:13,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:58:13,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:58:13,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:58:13,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:58:00" (1/3) ... [2023-04-02 10:58:13,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc3bd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:58:13, skipping insertion in model container [2023-04-02 10:58:13,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:58:02" (2/3) ... [2023-04-02 10:58:13,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc3bd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:58:13, skipping insertion in model container [2023-04-02 10:58:13,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:58:13" (3/3) ... [2023-04-02 10:58:13,198 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--mos7840.ko-entry_point.cil.out.i [2023-04-02 10:58:13,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:58:13,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:58:13,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:58:13,319 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=PETRI_NET, 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;@19c4d406, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:58:13,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:58:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 2447 states, 1657 states have (on average 1.403741701870851) internal successors, (2326), 1758 states have internal predecessors, (2326), 637 states have call successors, (637), 145 states have call predecessors, (637), 144 states have return successors, (632), 601 states have call predecessors, (632), 632 states have call successors, (632) [2023-04-02 10:58:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 10:58:13,347 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:58:13,348 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:58:13,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:58:13,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:58:13,353 INFO L85 PathProgramCache]: Analyzing trace with hash -483793296, now seen corresponding path program 1 times [2023-04-02 10:58:13,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:58:13,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639203581] [2023-04-02 10:58:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:58:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:58:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:58:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:58:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:58:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:58:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:58:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:58:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:58:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:58:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:58:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:58:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:58:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:58:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:58:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 10:58:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-04-02 10:58:15,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:58:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639203581] [2023-04-02 10:58:15,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639203581] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:58:15,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:58:15,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:58:15,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266198492] [2023-04-02 10:58:15,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:58:15,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:58:15,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:58:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:58:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:58:15,262 INFO L87 Difference]: Start difference. First operand has 2447 states, 1657 states have (on average 1.403741701870851) internal successors, (2326), 1758 states have internal predecessors, (2326), 637 states have call successors, (637), 145 states have call predecessors, (637), 144 states have return successors, (632), 601 states have call predecessors, (632), 632 states have call successors, (632) Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 10:58:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:58:48,942 INFO L93 Difference]: Finished difference Result 5150 states and 7860 transitions. [2023-04-02 10:58:48,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 10:58:48,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 178 [2023-04-02 10:58:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:58:48,980 INFO L225 Difference]: With dead ends: 5150 [2023-04-02 10:58:48,980 INFO L226 Difference]: Without dead ends: 2833 [2023-04-02 10:58:49,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:58:49,004 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 8156 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 9481 mSolverCounterSat, 4952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8583 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 14433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4952 IncrementalHoareTripleChecker+Valid, 9481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:58:49,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8583 Valid, 1924 Invalid, 14433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4952 Valid, 9481 Invalid, 0 Unknown, 0 Unchecked, 31.9s Time] [2023-04-02 10:58:49,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2023-04-02 10:58:49,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2278. [2023-04-02 10:58:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 1545 states have (on average 1.3799352750809062) internal successors, (2132), 1635 states have internal predecessors, (2132), 603 states have call successors, (603), 131 states have call predecessors, (603), 129 states have return successors, (601), 573 states have call predecessors, (601), 601 states have call successors, (601) [2023-04-02 10:58:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3336 transitions. [2023-04-02 10:58:49,687 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3336 transitions. Word has length 178 [2023-04-02 10:58:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:58:49,687 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 3336 transitions. [2023-04-02 10:58:49,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 10:58:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3336 transitions. [2023-04-02 10:58:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 10:58:49,699 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:58:49,699 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:58:49,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:58:49,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:58:49,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:58:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -965018504, now seen corresponding path program 1 times [2023-04-02 10:58:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:58:49,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850945238] [2023-04-02 10:58:49,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:58:49,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:58:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:58:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:58:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:58:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:58:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:58:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:58:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:58:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:58:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:58:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:58:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:58:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:58:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:58:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 10:58:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-04-02 10:58:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:58:50,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850945238] [2023-04-02 10:58:50,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850945238] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:58:50,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:58:50,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 10:58:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849974046] [2023-04-02 10:58:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:58:50,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 10:58:50,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:58:50,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 10:58:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-02 10:58:50,825 INFO L87 Difference]: Start difference. First operand 2278 states and 3336 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 10:59:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:59:30,092 INFO L93 Difference]: Finished difference Result 5268 states and 7820 transitions. [2023-04-02 10:59:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 10:59:30,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 178 [2023-04-02 10:59:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:59:30,109 INFO L225 Difference]: With dead ends: 5268 [2023-04-02 10:59:30,109 INFO L226 Difference]: Without dead ends: 3036 [2023-04-02 10:59:30,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2023-04-02 10:59:30,122 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 6808 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 12650 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7224 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 16620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 12650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:59:30,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7224 Valid, 2003 Invalid, 16620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3970 Valid, 12650 Invalid, 0 Unknown, 0 Unchecked, 36.7s Time] [2023-04-02 10:59:30,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2023-04-02 10:59:30,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 2458. [2023-04-02 10:59:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 1671 states have (on average 1.3788150807899462) internal successors, (2304), 1772 states have internal predecessors, (2304), 632 states have call successors, (632), 156 states have call predecessors, (632), 154 states have return successors, (630), 595 states have call predecessors, (630), 630 states have call successors, (630) [2023-04-02 10:59:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3566 transitions. [2023-04-02 10:59:30,741 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3566 transitions. Word has length 178 [2023-04-02 10:59:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:59:30,742 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3566 transitions. [2023-04-02 10:59:30,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 10:59:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3566 transitions. [2023-04-02 10:59:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-04-02 10:59:30,745 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:59:30,745 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:59:30,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:59:30,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:59:30,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:59:30,746 INFO L85 PathProgramCache]: Analyzing trace with hash 195648625, now seen corresponding path program 1 times [2023-04-02 10:59:30,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:59:30,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994900230] [2023-04-02 10:59:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:59:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:59:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:59:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:59:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:59:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:59:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:59:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:59:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:59:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:59:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:59:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:59:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:59:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:59:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:59:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 10:59:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:59:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:59:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-04-02 10:59:32,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:59:32,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994900230] [2023-04-02 10:59:32,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994900230] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:59:32,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:59:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:59:32,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677762176] [2023-04-02 10:59:32,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:59:32,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:59:32,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:59:32,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:59:32,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:59:32,260 INFO L87 Difference]: Start difference. First operand 2458 states and 3566 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 11:00:52,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:00:52,392 INFO L93 Difference]: Finished difference Result 14192 states and 21442 transitions. [2023-04-02 11:00:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-02 11:00:52,392 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2023-04-02 11:00:52,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:00:52,463 INFO L225 Difference]: With dead ends: 14192 [2023-04-02 11:00:52,463 INFO L226 Difference]: Without dead ends: 11798 [2023-04-02 11:00:52,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=625, Invalid=1825, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 11:00:52,481 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 30217 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 17160 mSolverCounterSat, 17450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30912 SdHoareTripleChecker+Valid, 2457 SdHoareTripleChecker+Invalid, 34610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 17450 IncrementalHoareTripleChecker+Valid, 17160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.2s IncrementalHoareTripleChecker+Time [2023-04-02 11:00:52,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30912 Valid, 2457 Invalid, 34610 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [17450 Valid, 17160 Invalid, 0 Unknown, 0 Unchecked, 74.2s Time] [2023-04-02 11:00:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11798 states. [2023-04-02 11:00:55,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11798 to 9761. [2023-04-02 11:00:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9761 states, 6657 states have (on average 1.3786991137148865) internal successors, (9178), 7059 states have internal predecessors, (9178), 2494 states have call successors, (2494), 589 states have call predecessors, (2494), 609 states have return successors, (2684), 2374 states have call predecessors, (2684), 2492 states have call successors, (2684) [2023-04-02 11:00:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9761 states to 9761 states and 14356 transitions. [2023-04-02 11:00:55,231 INFO L78 Accepts]: Start accepts. Automaton has 9761 states and 14356 transitions. Word has length 193 [2023-04-02 11:00:55,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:00:55,232 INFO L495 AbstractCegarLoop]: Abstraction has 9761 states and 14356 transitions. [2023-04-02 11:00:55,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 11:00:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9761 states and 14356 transitions. [2023-04-02 11:00:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-02 11:00:55,234 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:00:55,235 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:00:55,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 11:00:55,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 11:00:55,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:00:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1524220066, now seen corresponding path program 1 times [2023-04-02 11:00:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:00:55,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872303085] [2023-04-02 11:00:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:00:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:00:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:00:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:00:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 11:00:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 11:00:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 11:00:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 11:00:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 11:00:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 11:00:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 11:00:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 11:00:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 11:00:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 11:00:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 11:00:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 11:00:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 11:00:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 11:00:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-04-02 11:00:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:00:56,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872303085] [2023-04-02 11:00:56,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872303085] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:00:56,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:00:56,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 11:00:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986108142] [2023-04-02 11:00:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:00:56,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 11:00:56,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:00:56,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 11:00:56,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 11:00:56,802 INFO L87 Difference]: Start difference. First operand 9761 states and 14356 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20)