/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--digi_acceleport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:57:51,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:57:51,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:57:51,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:57:51,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:57:51,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:57:51,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:57:51,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:57:51,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:57:51,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:57:51,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:57:51,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:57:51,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:57:51,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:57:51,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:57:51,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:57:51,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:57:51,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:57:51,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:57:51,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:57:51,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:57:51,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:57:51,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:57:51,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:57:51,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:57:51,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:57:51,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:57:51,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:57:51,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:57:51,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:57:51,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:57:51,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:57:51,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:57:51,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:57:51,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:57:51,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:57:51,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:57:51,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:57:51,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:57:51,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:57:51,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:57:51,249 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 10:57:51,277 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:57:51,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:57:51,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:57:51,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:57:51,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:57:51,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:57:51,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:57:51,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:57:51,280 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:57:51,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:57:51,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:57:51,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:57:51,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:57:51,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:57:51,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:57:51,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:57:51,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:57:51,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:57:51,283 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:57:51,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:57:51,284 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:57:51,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:57:51,284 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:57:51,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:57:51,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:57:51,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:57:51,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:57:51,505 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:57:51,505 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:57:51,506 INFO L432 ainManager$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--digi_acceleport.ko-entry_point.cil.out.i [2023-04-02 10:57:52,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:57:53,082 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:57:53,083 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--digi_acceleport.ko-entry_point.cil.out.i [2023-04-02 10:57:53,121 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602ae1443/e17e5678089b4718866eb39a00575309/FLAGecf965a75 [2023-04-02 10:57:53,140 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602ae1443/e17e5678089b4718866eb39a00575309 [2023-04-02 10:57:53,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:57:53,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:57:53,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:57:53,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:57:53,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:57:53,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:57:53" (1/1) ... [2023-04-02 10:57:53,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a5efb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:53, skipping insertion in model container [2023-04-02 10:57:53,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:57:53" (1/1) ... [2023-04-02 10:57:53,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:57:53,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:57:54,533 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--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2023-04-02 10:57:54,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:57:54,611 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:57:54,848 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--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2023-04-02 10:57:54,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:57:54,903 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 10:57:54,909 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:57:54,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54 WrapperNode [2023-04-02 10:57:54,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:57:54,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:57:54,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:57:54,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:57:54,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:54,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:54,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:54,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:57:55,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:57:55,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:57:55,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:57:55,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (1/1) ... [2023-04-02 10:57:55,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:57:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:57:55,171 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 10:57:55,177 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 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-02 10:57:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:57:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-02 10:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-04-02 10:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_transmit_idle [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2023-04-02 10:57:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup_device [2023-04-02 10:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_inb_callback [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_oob_callback [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2023-04-02 10:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 10:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-04-02 10:57:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:57:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 10:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2023-04-02 10:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2023-04-02 10:57:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-02 10:57:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:57:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:57:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:57:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 10:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:57:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-02 10:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 10:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_transmit_idle [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2023-04-02 10:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup_device [2023-04-02 10:57:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_inb_callback [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_oob_callback [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2023-04-02 10:57:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:57:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:57:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:57:55,809 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:57:55,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:57:56,025 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:58:05,471 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:58:05,497 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:58:05,497 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:58:05,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:58:05 BoogieIcfgContainer [2023-04-02 10:58:05,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:58:05,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:58:05,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:58:05,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:58:05,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:57:53" (1/3) ... [2023-04-02 10:58:05,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ebfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:58:05, skipping insertion in model container [2023-04-02 10:58:05,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:57:54" (2/3) ... [2023-04-02 10:58:05,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ebfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:58:05, skipping insertion in model container [2023-04-02 10:58:05,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:58:05" (3/3) ... [2023-04-02 10:58:05,510 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2023-04-02 10:58:05,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:58:05,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:58:05,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:58:05,632 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@4aa4d00d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:58:05,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:58:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 1754 states, 1176 states have (on average 1.4149659863945578) internal successors, (1664), 1215 states have internal predecessors, (1664), 439 states have call successors, (439), 131 states have call predecessors, (439), 130 states have return successors, (434), 427 states have call predecessors, (434), 434 states have call successors, (434) [2023-04-02 10:58:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 10:58:05,658 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:58:05,659 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 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] [2023-04-02 10:58:05,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:58:05,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:58:05,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1975395787, now seen corresponding path program 1 times [2023-04-02 10:58:05,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:58:05,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436882980] [2023-04-02 10:58:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:58:05,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:58:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:58:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:58:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:58:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:58:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:58:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:58:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:58:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:58:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:58:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:58:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:58:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:58:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:58:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:58:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 10:58:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2023-04-02 10:58:07,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:58:07,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436882980] [2023-04-02 10:58:07,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436882980] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:58:07,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:58:07,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 10:58:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086302470] [2023-04-02 10:58:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:58:07,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:58:07,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:58:07,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:58:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-04-02 10:58:07,090 INFO L87 Difference]: Start difference. First operand has 1754 states, 1176 states have (on average 1.4149659863945578) internal successors, (1664), 1215 states have internal predecessors, (1664), 439 states have call successors, (439), 131 states have call predecessors, (439), 130 states have return successors, (434), 427 states have call predecessors, (434), 434 states have call successors, (434) Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 10:58:09,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:12,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:14,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:16,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:18,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:34,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:36,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:38,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:40,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:58:42,811 INFO L93 Difference]: Finished difference Result 3530 states and 5279 transitions. [2023-04-02 10:58:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 10:58:42,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 198 [2023-04-02 10:58:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:58:42,836 INFO L225 Difference]: With dead ends: 3530 [2023-04-02 10:58:42,836 INFO L226 Difference]: Without dead ends: 1807 [2023-04-02 10:58:42,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:58:42,861 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 1685 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 5919 mSolverCounterSat, 1096 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 7023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1096 IncrementalHoareTripleChecker+Valid, 5919 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:58:42,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 2175 Invalid, 7023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1096 Valid, 5919 Invalid, 8 Unknown, 0 Unchecked, 34.7s Time] [2023-04-02 10:58:42,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2023-04-02 10:58:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1684. [2023-04-02 10:58:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1139 states have (on average 1.4064969271290606) internal successors, (1602), 1168 states have internal predecessors, (1602), 421 states have call successors, (421), 125 states have call predecessors, (421), 123 states have return successors, (419), 412 states have call predecessors, (419), 419 states have call successors, (419) [2023-04-02 10:58:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2442 transitions. [2023-04-02 10:58:43,237 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2442 transitions. Word has length 198 [2023-04-02 10:58:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:58:43,237 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2442 transitions. [2023-04-02 10:58:43,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 10:58:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2442 transitions. [2023-04-02 10:58:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 10:58:43,242 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:58:43,242 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 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] [2023-04-02 10:58:43,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:58:43,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:58:43,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:58:43,243 INFO L85 PathProgramCache]: Analyzing trace with hash 275769299, now seen corresponding path program 1 times [2023-04-02 10:58:43,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:58:43,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383937636] [2023-04-02 10:58:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:58:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:58:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:58:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:58:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:58:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:58:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:58:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:58:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:58:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:58:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:58:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:58:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:58:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:58:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:58:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:58:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:58:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:58:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 10:58:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:58:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2023-04-02 10:58:44,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:58:44,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383937636] [2023-04-02 10:58:44,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383937636] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:58:44,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:58:44,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:58:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230355100] [2023-04-02 10:58:44,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:58:44,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:58:44,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:58:44,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:58:44,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:58:44,213 INFO L87 Difference]: Start difference. First operand 1684 states and 2442 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-04-02 10:58:45,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:47,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:49,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:51,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:58:54,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:06,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:07,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:09,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:11,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:19,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:19,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:59:19,594 INFO L93 Difference]: Finished difference Result 4984 states and 7226 transitions. [2023-04-02 10:59:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 10:59:19,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 198 [2023-04-02 10:59:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:59:19,613 INFO L225 Difference]: With dead ends: 4984 [2023-04-02 10:59:19,613 INFO L226 Difference]: Without dead ends: 3349 [2023-04-02 10:59:19,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:59:19,623 INFO L413 NwaCegarLoop]: 736 mSDtfsCounter, 5425 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 7492 mSolverCounterSat, 3733 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5707 SdHoareTripleChecker+Valid, 3012 SdHoareTripleChecker+Invalid, 11230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3733 IncrementalHoareTripleChecker+Valid, 7492 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:59:19,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5707 Valid, 3012 Invalid, 11230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3733 Valid, 7492 Invalid, 5 Unknown, 0 Unchecked, 33.7s Time] [2023-04-02 10:59:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3349 states. [2023-04-02 10:59:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3349 to 3106. [2023-04-02 10:59:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 2107 states have (on average 1.4034171808258187) internal successors, (2957), 2164 states have internal predecessors, (2957), 760 states have call successors, (760), 240 states have call predecessors, (760), 238 states have return successors, (758), 744 states have call predecessors, (758), 758 states have call successors, (758) [2023-04-02 10:59:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4475 transitions. [2023-04-02 10:59:20,219 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4475 transitions. Word has length 198 [2023-04-02 10:59:20,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:59:20,222 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 4475 transitions. [2023-04-02 10:59:20,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-04-02 10:59:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4475 transitions. [2023-04-02 10:59:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 10:59:20,226 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:59:20,226 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 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] [2023-04-02 10:59:20,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:59:20,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:59:20,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:59:20,227 INFO L85 PathProgramCache]: Analyzing trace with hash -480384801, now seen corresponding path program 1 times [2023-04-02 10:59:20,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:59:20,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107097931] [2023-04-02 10:59:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:59:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:59:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:59:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:59:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:59:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:59:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:59:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:59:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:59:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:59:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:59:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:59:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:59:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 10:59:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:59:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:59:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:59:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:59:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 10:59:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2023-04-02 10:59:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:59:21,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107097931] [2023-04-02 10:59:21,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107097931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:59:21,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:59:21,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:59:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217398049] [2023-04-02 10:59:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:59:21,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:59:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:59:21,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:59:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:59:21,134 INFO L87 Difference]: Start difference. First operand 3106 states and 4475 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-04-02 10:59:23,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:24,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:26,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:44,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:46,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:48,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:50,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:52,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:54,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:55,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:57,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:59:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:59:58,285 INFO L93 Difference]: Finished difference Result 8020 states and 11552 transitions. [2023-04-02 10:59:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 10:59:58,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 198 [2023-04-02 10:59:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:59:58,316 INFO L225 Difference]: With dead ends: 8020 [2023-04-02 10:59:58,317 INFO L226 Difference]: Without dead ends: 4970 [2023-04-02 10:59:58,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:59:58,330 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 3744 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 8266 mSolverCounterSat, 2355 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 10628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2355 IncrementalHoareTripleChecker+Valid, 8266 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:59:58,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 2866 Invalid, 10628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2355 Valid, 8266 Invalid, 7 Unknown, 0 Unchecked, 35.2s Time] [2023-04-02 10:59:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4970 states. [2023-04-02 10:59:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4970 to 4607. [2023-04-02 10:59:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4607 states, 3129 states have (on average 1.3994886545222116) internal successors, (4379), 3216 states have internal predecessors, (4379), 1112 states have call successors, (1112), 367 states have call predecessors, (1112), 365 states have return successors, (1110), 1088 states have call predecessors, (1110), 1110 states have call successors, (1110) [2023-04-02 10:59:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6601 transitions. [2023-04-02 10:59:59,206 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6601 transitions. Word has length 198 [2023-04-02 10:59:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:59:59,207 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6601 transitions. [2023-04-02 10:59:59,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-04-02 10:59:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6601 transitions. [2023-04-02 10:59:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-04-02 10:59:59,214 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:59:59,215 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:59:59,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:59:59,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:59:59,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:59:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1898182062, now seen corresponding path program 1 times [2023-04-02 10:59:59,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:59:59,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147275870] [2023-04-02 10:59:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:59:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:59:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:59:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:59:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:00:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 11:00:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 11:00:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 11:00:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 11:00:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 11:00:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 11:00:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 11:00:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 11:00:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 11:00:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 11:00:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 11:00:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 11:00:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 11:00:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 11:00:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 11:00:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 11:00:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 11:00:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:00:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 11:00:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 11:00:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 11:00:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:00:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:00:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:00:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:00:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2023-04-02 11:00:00,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:00:00,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147275870] [2023-04-02 11:00:00,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147275870] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:00:00,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:00:00,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 11:00:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504971341] [2023-04-02 11:00:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:00:00,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 11:00:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:00:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 11:00:00,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-02 11:00:00,477 INFO L87 Difference]: Start difference. First operand 4607 states and 6601 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 9 states have call predecessors, (37), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 11:00:02,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:04,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:05,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:06,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:08,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:10,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:12,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:37,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:39,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:40,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:42,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:44,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:46,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:48,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:50,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:52,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:54,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:56,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:00:58,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:00,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 11:01:01,855 INFO L93 Difference]: Finished difference Result 11973 states and 17242 transitions. [2023-04-02 11:01:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 11:01:01,856 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 9 states have call predecessors, (37), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 354 [2023-04-02 11:01:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 11:01:01,892 INFO L225 Difference]: With dead ends: 11973 [2023-04-02 11:01:01,892 INFO L226 Difference]: Without dead ends: 7429 [2023-04-02 11:01:01,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2023-04-02 11:01:01,909 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 5359 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 9736 mSolverCounterSat, 3683 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5665 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 13432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3683 IncrementalHoareTripleChecker+Valid, 9736 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.9s IncrementalHoareTripleChecker+Time [2023-04-02 11:01:01,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5665 Valid, 3033 Invalid, 13432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3683 Valid, 9736 Invalid, 13 Unknown, 0 Unchecked, 58.9s Time] [2023-04-02 11:01:01,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2023-04-02 11:01:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 6928. [2023-04-02 11:01:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6928 states, 4769 states have (on average 1.3946319983224995) internal successors, (6651), 4894 states have internal predecessors, (6651), 1607 states have call successors, (1607), 553 states have call predecessors, (1607), 551 states have return successors, (1605), 1575 states have call predecessors, (1605), 1605 states have call successors, (1605) [2023-04-02 11:01:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6928 states to 6928 states and 9863 transitions. [2023-04-02 11:01:03,296 INFO L78 Accepts]: Start accepts. Automaton has 6928 states and 9863 transitions. Word has length 354 [2023-04-02 11:01:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 11:01:03,297 INFO L495 AbstractCegarLoop]: Abstraction has 6928 states and 9863 transitions. [2023-04-02 11:01:03,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 9 states have call predecessors, (37), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 11:01:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6928 states and 9863 transitions. [2023-04-02 11:01:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-04-02 11:01:03,303 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 11:01:03,303 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 11:01:03,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 11:01:03,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 11:01:03,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 11:01:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1142027962, now seen corresponding path program 1 times [2023-04-02 11:01:03,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 11:01:03,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618281972] [2023-04-02 11:01:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 11:01:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 11:01:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 11:01:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 11:01:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 11:01:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 11:01:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 11:01:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 11:01:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 11:01:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 11:01:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 11:01:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 11:01:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 11:01:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 11:01:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 11:01:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 11:01:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 11:01:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 11:01:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 11:01:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 11:01:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 11:01:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:01:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 11:01:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 11:01:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 11:01:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 11:01:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 11:01:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 11:01:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 11:01:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2023-04-02 11:01:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 11:01:04,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618281972] [2023-04-02 11:01:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618281972] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 11:01:04,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 11:01:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 11:01:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97662152] [2023-04-02 11:01:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 11:01:04,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 11:01:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 11:01:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 11:01:04,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-02 11:01:04,435 INFO L87 Difference]: Start difference. First operand 6928 states and 9863 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 9 states have call predecessors, (37), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 11:01:06,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:08,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:10,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:12,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:14,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:16,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:18,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:20,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:37,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:39,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:41,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:43,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:45,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:47,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:49,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:52,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:54,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:55,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:57,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 11:01:59,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []