/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--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:52:08,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:52:08,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:52:08,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:52:08,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:52:08,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:52:08,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:52:08,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:52:08,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:52:08,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:52:08,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:52:08,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:52:08,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:52:08,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:52:08,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:52:08,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:52:08,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:52:08,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:52:08,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:52:08,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:52:08,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:52:08,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:52:08,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:52:08,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:52:08,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:52:08,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:52:08,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:52:08,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:52:08,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:52:08,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:52:08,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:52:08,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:52:08,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:52:08,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:52:08,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:52:08,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:52:08,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:52:08,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:52:08,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:52:08,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:52:08,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:52:08,678 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 10:52:08,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:52:08,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:52:08,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:52:08,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:52:08,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:52:08,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:52:08,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:52:08,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:52:08,701 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:52:08,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:52:08,702 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:52:08,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:52:08,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:52:08,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:52:08,704 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:52:08,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:52:08,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:52:08,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:52:08,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:52:08,947 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:52:08,947 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:52:08,948 INFO L432 ainManager$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--tty--n_r3964.ko-entry_point.cil.out.i [2023-04-02 10:52:10,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:52:10,339 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:52:10,340 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--tty--n_r3964.ko-entry_point.cil.out.i [2023-04-02 10:52:10,360 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c09056e/20ba616ca3014c02872bd78ca1a67a44/FLAG75e3743d4 [2023-04-02 10:52:10,369 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c09056e/20ba616ca3014c02872bd78ca1a67a44 [2023-04-02 10:52:10,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:52:10,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:52:10,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:52:10,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:52:10,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:52:10,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:52:10" (1/1) ... [2023-04-02 10:52:10,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f75a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:10, skipping insertion in model container [2023-04-02 10:52:10,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:52:10" (1/1) ... [2023-04-02 10:52:10,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:52:10,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:52:11,156 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--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2023-04-02 10:52:11,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:52:11,196 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:52:11,345 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--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2023-04-02 10:52:11,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:52:11,393 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 10:52:11,394 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 10:52:11,399 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:52:11,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11 WrapperNode [2023-04-02 10:52:11,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:52:11,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:52:11,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:52:11,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:52:11,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:52:11,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:52:11,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:52:11,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:52:11,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (1/1) ... [2023-04-02 10:52:11,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:52:11,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:52:11,650 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 10:52:11,673 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 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:52:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:52:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2023-04-02 10:52:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2023-04-02 10:52:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2023-04-02 10:52:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2023-04-02 10:52:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2023-04-02 10:52:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2023-04-02 10:52:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2023-04-02 10:52:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2023-04-02 10:52:11,708 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2023-04-02 10:52:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2023-04-02 10:52:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:52:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:52:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-02 10:52:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 10:52:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-02 10:52:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:52:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 10:52:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:52:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2023-04-02 10:52:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:52:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:52:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:52:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:52:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:52:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:52:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:52:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-02 10:52:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 10:52:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:52:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:52:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:52:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:52:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:52:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2023-04-02 10:52:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 10:52:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-02 10:52:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 10:52:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2023-04-02 10:52:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2023-04-02 10:52:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2023-04-02 10:52:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:52:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:52:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:52:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:52:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:52:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:52:12,137 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:52:12,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:52:12,264 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:52:15,634 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:52:15,648 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:52:15,648 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:52:15,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:52:15 BoogieIcfgContainer [2023-04-02 10:52:15,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:52:15,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:52:15,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:52:15,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:52:15,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:52:10" (1/3) ... [2023-04-02 10:52:15,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f73ad05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:52:15, skipping insertion in model container [2023-04-02 10:52:15,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:52:11" (2/3) ... [2023-04-02 10:52:15,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f73ad05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:52:15, skipping insertion in model container [2023-04-02 10:52:15,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:52:15" (3/3) ... [2023-04-02 10:52:15,664 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2023-04-02 10:52:15,678 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:52:15,678 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:52:15,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:52:15,754 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;@38c8a6f5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:52:15,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:52:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 680 states have (on average 1.3602941176470589) internal successors, (925), 723 states have internal predecessors, (925), 254 states have call successors, (254), 102 states have call predecessors, (254), 101 states have return successors, (250), 239 states have call predecessors, (250), 250 states have call successors, (250) [2023-04-02 10:52:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-02 10:52:15,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:52:15,790 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:52:15,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:52:15,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:52:15,795 INFO L85 PathProgramCache]: Analyzing trace with hash -216081152, now seen corresponding path program 1 times [2023-04-02 10:52:15,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:52:15,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093857964] [2023-04-02 10:52:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:52:15,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:52:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:52:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:52:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:52:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 10:52:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 10:52:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:52:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:52:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:52:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:52:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:52:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 10:52:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 10:52:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:52:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:52:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 10:52:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:52:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:52:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-02 10:52:16,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:52:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093857964] [2023-04-02 10:52:16,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093857964] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:52:16,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:52:16,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:52:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483060859] [2023-04-02 10:52:16,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:52:16,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:52:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:52:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:52:16,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:52:16,737 INFO L87 Difference]: Start difference. First operand has 1040 states, 680 states have (on average 1.3602941176470589) internal successors, (925), 723 states have internal predecessors, (925), 254 states have call successors, (254), 102 states have call predecessors, (254), 101 states have return successors, (250), 239 states have call predecessors, (250), 250 states have call successors, (250) Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 10:52:23,358 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 10:52:25,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:52:27,370 WARN L539 Checker$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 10:52:29,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:52:31,383 WARN L539 Checker$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 10:52:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:52:34,487 INFO L93 Difference]: Finished difference Result 2667 states and 4018 transitions. [2023-04-02 10:52:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 10:52:34,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2023-04-02 10:52:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:52:34,508 INFO L225 Difference]: With dead ends: 2667 [2023-04-02 10:52:34,508 INFO L226 Difference]: Without dead ends: 1623 [2023-04-02 10:52:34,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:52:34,528 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 2500 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 4477 mSolverCounterSat, 1672 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 6154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1672 IncrementalHoareTripleChecker+Valid, 4477 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:52:34,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 993 Invalid, 6154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1672 Valid, 4477 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2023-04-02 10:52:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2023-04-02 10:52:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 997. [2023-04-02 10:52:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 658 states have (on average 1.3480243161094225) internal successors, (887), 695 states have internal predecessors, (887), 243 states have call successors, (243), 97 states have call predecessors, (243), 95 states have return successors, (241), 230 states have call predecessors, (241), 241 states have call successors, (241) [2023-04-02 10:52:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1371 transitions. [2023-04-02 10:52:34,756 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1371 transitions. Word has length 208 [2023-04-02 10:52:34,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:52:34,758 INFO L495 AbstractCegarLoop]: Abstraction has 997 states and 1371 transitions. [2023-04-02 10:52:34,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 10:52:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1371 transitions. [2023-04-02 10:52:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-02 10:52:34,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:52:34,764 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:52:34,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:52:34,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:52:34,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:52:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1164522740, now seen corresponding path program 1 times [2023-04-02 10:52:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:52:34,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106876254] [2023-04-02 10:52:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:52:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:52:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:52:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:52:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:52:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 10:52:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 10:52:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:52:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:52:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:52:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:52:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:52:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 10:52:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 10:52:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:52:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:52:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 10:52:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:52:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:52:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-02 10:52:35,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:52:35,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106876254] [2023-04-02 10:52:35,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106876254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:52:35,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:52:35,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 10:52:35,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754712265] [2023-04-02 10:52:35,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:52:35,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 10:52:35,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:52:35,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 10:52:35,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-02 10:52:35,242 INFO L87 Difference]: Start difference. First operand 997 states and 1371 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:52:43,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:52:45,939 WARN L539 Checker$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 10:52:47,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:52:49,952 WARN L539 Checker$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 10:52:51,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:52:53,964 WARN L539 Checker$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 10:52:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:52:57,315 INFO L93 Difference]: Finished difference Result 3209 states and 4743 transitions. [2023-04-02 10:52:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 10:52:57,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 208 [2023-04-02 10:52:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:52:57,328 INFO L225 Difference]: With dead ends: 3209 [2023-04-02 10:52:57,328 INFO L226 Difference]: Without dead ends: 2265 [2023-04-02 10:52:57,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2023-04-02 10:52:57,331 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 4732 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 5822 mSolverCounterSat, 3124 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4860 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 8952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3124 IncrementalHoareTripleChecker+Valid, 5822 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:52:57,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4860 Valid, 1088 Invalid, 8952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3124 Valid, 5822 Invalid, 6 Unknown, 0 Unchecked, 20.9s Time] [2023-04-02 10:52:57,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2023-04-02 10:52:57,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 1352. [2023-04-02 10:52:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 891 states have (on average 1.3490460157126825) internal successors, (1202), 947 states have internal predecessors, (1202), 324 states have call successors, (324), 138 states have call predecessors, (324), 136 states have return successors, (322), 306 states have call predecessors, (322), 322 states have call successors, (322) [2023-04-02 10:52:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1848 transitions. [2023-04-02 10:52:57,505 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1848 transitions. Word has length 208 [2023-04-02 10:52:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:52:57,507 INFO L495 AbstractCegarLoop]: Abstraction has 1352 states and 1848 transitions. [2023-04-02 10:52:57,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (26), 8 states have call predecessors, (26), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:52:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1848 transitions. [2023-04-02 10:52:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-02 10:52:57,509 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:52:57,509 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:52:57,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:52:57,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:52:57,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:52:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash 739410131, now seen corresponding path program 1 times [2023-04-02 10:52:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:52:57,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654950515] [2023-04-02 10:52:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:52:57,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:52:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:52:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:52:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:52:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 10:52:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 10:52:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:52:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:52:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:52:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:52:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:52:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:52:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 10:52:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 10:52:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:52:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:52:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 10:52:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:52:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:52:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:52:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:52:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-02 10:52:58,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:52:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654950515] [2023-04-02 10:52:58,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654950515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:52:58,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:52:58,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:52:58,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305452599] [2023-04-02 10:52:58,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:52:58,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:52:58,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:52:58,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:52:58,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:52:58,003 INFO L87 Difference]: Start difference. First operand 1352 states and 1848 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:53:14,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:16,062 WARN L539 Checker$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 10:53:18,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:20,075 WARN L539 Checker$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 10:53:23,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:25,635 WARN L539 Checker$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 10:53:27,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:29,650 WARN L539 Checker$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 10:53:31,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:34,072 WARN L539 Checker$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 10:53:36,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:38,089 WARN L539 Checker$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 10:53:40,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:44,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:53:46,612 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 10:53:48,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:53:48,959 INFO L93 Difference]: Finished difference Result 10084 states and 16080 transitions. [2023-04-02 10:53:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-02 10:53:48,959 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 220 [2023-04-02 10:53:48,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:53:49,000 INFO L225 Difference]: With dead ends: 10084 [2023-04-02 10:53:49,000 INFO L226 Difference]: Without dead ends: 8795 [2023-04-02 10:53:49,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=582, Invalid=1968, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 10:53:49,009 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 10968 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 9716 mSolverCounterSat, 6950 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11212 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 16679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6950 IncrementalHoareTripleChecker+Valid, 9716 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:53:49,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11212 Valid, 1543 Invalid, 16679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6950 Valid, 9716 Invalid, 13 Unknown, 0 Unchecked, 48.2s Time] [2023-04-02 10:53:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8795 states. [2023-04-02 10:53:49,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8795 to 5794. [2023-04-02 10:53:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 3813 states have (on average 1.3328088119590873) internal successors, (5082), 4039 states have internal predecessors, (5082), 1351 states have call successors, (1351), 523 states have call predecessors, (1351), 629 states have return successors, (2040), 1419 states have call predecessors, (2040), 1349 states have call successors, (2040) [2023-04-02 10:53:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 8473 transitions. [2023-04-02 10:53:49,785 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 8473 transitions. Word has length 220 [2023-04-02 10:53:49,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:53:49,786 INFO L495 AbstractCegarLoop]: Abstraction has 5794 states and 8473 transitions. [2023-04-02 10:53:49,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:53:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 8473 transitions. [2023-04-02 10:53:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-02 10:53:49,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:53:49,789 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:53:49,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:53:49,789 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:53:49,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:53:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash -928341057, now seen corresponding path program 1 times [2023-04-02 10:53:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:53:49,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208213683] [2023-04-02 10:53:49,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:53:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:53:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:53:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:53:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:53:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 10:53:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 10:53:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:53:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:53:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:53:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:53:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:53:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:53:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 10:53:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 10:53:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:53:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:53:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 10:53:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:53:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:53:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:53:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:53:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-02 10:53:50,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:53:50,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208213683] [2023-04-02 10:53:50,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208213683] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:53:50,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:53:50,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:53:50,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469671687] [2023-04-02 10:53:50,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:53:50,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:53:50,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:53:50,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:53:50,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:53:50,267 INFO L87 Difference]: Start difference. First operand 5794 states and 8473 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:54:07,828 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 10:54:09,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:11,846 WARN L539 Checker$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 10:54:13,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:15,858 WARN L539 Checker$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 10:54:19,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:21,892 WARN L539 Checker$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 10:54:23,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:25,154 WARN L539 Checker$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 10:54:26,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:28,169 WARN L539 Checker$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 10:54:30,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:32,406 WARN L539 Checker$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 10:54:34,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:36,421 WARN L539 Checker$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 10:54:38,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:40,435 WARN L539 Checker$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 10:54:42,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:47,290 WARN L539 Checker$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 10:54:49,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:51,301 WARN L539 Checker$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 10:54:52,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:54:54,410 WARN L539 Checker$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 10:54:56,419 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 10:54:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:54:59,231 INFO L93 Difference]: Finished difference Result 40564 states and 69144 transitions. [2023-04-02 10:54:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-02 10:54:59,232 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 221 [2023-04-02 10:54:59,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:54:59,554 INFO L225 Difference]: With dead ends: 40564 [2023-04-02 10:54:59,554 INFO L226 Difference]: Without dead ends: 34833 [2023-04-02 10:54:59,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=582, Invalid=1968, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 10:54:59,597 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 12439 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 9738 mSolverCounterSat, 8107 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12675 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 17866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8107 IncrementalHoareTripleChecker+Valid, 9738 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:54:59,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12675 Valid, 1591 Invalid, 17866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8107 Valid, 9738 Invalid, 21 Unknown, 0 Unchecked, 62.8s Time] [2023-04-02 10:54:59,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34833 states. [2023-04-02 10:55:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34833 to 24327. [2023-04-02 10:55:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24327 states, 15977 states have (on average 1.3215246917443826) internal successors, (21114), 16872 states have internal predecessors, (21114), 5610 states have call successors, (5610), 2065 states have call predecessors, (5610), 2739 states have return successors, (11523), 6203 states have call predecessors, (11523), 5608 states have call successors, (11523) [2023-04-02 10:55:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24327 states to 24327 states and 38247 transitions. [2023-04-02 10:55:03,377 INFO L78 Accepts]: Start accepts. Automaton has 24327 states and 38247 transitions. Word has length 221 [2023-04-02 10:55:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:55:03,377 INFO L495 AbstractCegarLoop]: Abstraction has 24327 states and 38247 transitions. [2023-04-02 10:55:03,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:55:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24327 states and 38247 transitions. [2023-04-02 10:55:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-02 10:55:03,380 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:55:03,381 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:55:03,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:55:03,381 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:55:03,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:55:03,381 INFO L85 PathProgramCache]: Analyzing trace with hash -520290789, now seen corresponding path program 1 times [2023-04-02 10:55:03,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:55:03,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649669267] [2023-04-02 10:55:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:55:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:55:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:55:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:55:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:55:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 10:55:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 10:55:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:55:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:55:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:55:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:55:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:55:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:55:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 10:55:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 10:55:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:55:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:55:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 10:55:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:55:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:55:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:55:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:55:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-04-02 10:55:03,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:55:03,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649669267] [2023-04-02 10:55:03,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649669267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:55:03,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:55:03,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:55:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73297618] [2023-04-02 10:55:03,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:55:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:55:03,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:55:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:55:03,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:55:03,765 INFO L87 Difference]: Start difference. First operand 24327 states and 38247 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-04-02 10:55:31,372 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 10:55:33,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:35,382 WARN L539 Checker$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 10:55:37,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:39,397 WARN L539 Checker$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 10:55:44,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:46,327 WARN L539 Checker$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 10:55:48,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:50,341 WARN L539 Checker$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 10:55:52,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:54,355 WARN L539 Checker$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 10:55:56,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:55:58,368 WARN L539 Checker$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 10:56:00,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:02,765 WARN L539 Checker$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 10:56:04,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:06,778 WARN L539 Checker$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 10:56:08,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:10,792 WARN L539 Checker$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 10:56:12,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:21,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:23,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:25,409 WARN L539 Checker$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 10:56:27,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:56:29,420 WARN L539 Checker$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 10:56:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:56:34,443 INFO L93 Difference]: Finished difference Result 163173 states and 301582 transitions. [2023-04-02 10:56:34,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-02 10:56:34,447 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (31), 9 states have call predecessors, (31), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 222 [2023-04-02 10:56:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:56:35,816 INFO L225 Difference]: With dead ends: 163173 [2023-04-02 10:56:35,817 INFO L226 Difference]: Without dead ends: 138909 [2023-04-02 10:56:36,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=582, Invalid=1968, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 10:56:36,016 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 11514 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 10470 mSolverCounterSat, 7617 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11757 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 18112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7617 IncrementalHoareTripleChecker+Valid, 10470 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:56:36,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11757 Valid, 1687 Invalid, 18112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7617 Valid, 10470 Invalid, 25 Unknown, 0 Unchecked, 69.2s Time] [2023-04-02 10:56:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138909 states.