/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-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:14:23,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:14:23,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:14:23,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:14:23,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:14:23,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:14:23,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:14:23,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:14:23,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:14:23,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:14:23,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:14:23,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:14:23,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:14:23,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:14:23,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:14:23,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:14:23,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:14:23,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:14:23,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:14:23,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:14:23,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:14:23,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:14:23,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:14:23,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:14:23,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:14:23,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:14:23,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:14:23,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:14:23,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:14:23,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:14:23,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:14:23,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:14:23,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:14:23,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:14:23,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:14:23,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:14:23,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:14:23,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:14:23,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:14:23,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:14:23,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:14:23,929 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 07:14:23,962 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:14:23,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:14:23,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:14:23,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:14:23,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:14:23,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:14:23,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:14:23,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:14:23,967 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:14:23,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:14:23,969 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:14:23,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:14:23,970 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:14:23,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:14:23,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:14:23,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:14:23,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:14:23,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:14:23,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:14:23,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:14:23,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:14:23,972 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:14:23,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:14:24,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:14:24,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:14:24,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:14:24,257 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:14:24,257 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:14:24,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-02 07:14:25,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:14:25,906 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:14:25,906 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-02 07:14:25,945 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af394b97b/d53ca83e8a294c4abf7c2ca5415213d2/FLAGf814bd2a3 [2023-04-02 07:14:25,961 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af394b97b/d53ca83e8a294c4abf7c2ca5415213d2 [2023-04-02 07:14:25,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:14:25,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:14:25,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:14:25,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:14:25,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:14:25,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:14:25" (1/1) ... [2023-04-02 07:14:25,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ccf7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:25, skipping insertion in model container [2023-04-02 07:14:25,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:14:25" (1/1) ... [2023-04-02 07:14:25,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:14:26,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:14:27,768 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2023-04-02 07:14:27,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:14:27,899 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:14:28,181 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2023-04-02 07:14:28,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:14:28,258 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 07:14:28,264 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:14:28,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28 WrapperNode [2023-04-02 07:14:28,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:14:28,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:14:28,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:14:28,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:14:28,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:14:28,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:14:28,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:14:28,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:14:28,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (1/1) ... [2023-04-02 07:14:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:14:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:14:28,596 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 07:14:28,616 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 07:14:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:14:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:14:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:14:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-02 07:14:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 07:14:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 07:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2023-04-02 07:14:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2023-04-02 07:14:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2023-04-02 07:14:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2023-04-02 07:14:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2023-04-02 07:14:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2023-04-02 07:14:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2023-04-02 07:14:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2023-04-02 07:14:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2023-04-02 07:14:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-02 07:14:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 07:14:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 07:14:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 07:14:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-04-02 07:14:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-02 07:14:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-02 07:14:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-02 07:14:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-02 07:14:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-02 07:14:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-02 07:14:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-02 07:14:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 07:14:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 07:14:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 07:14:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 07:14:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 07:14:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 07:14:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 07:14:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 07:14:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 07:14:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 07:14:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 07:14:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 07:14:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 07:14:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-02 07:14:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-02 07:14:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2023-04-02 07:14:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2023-04-02 07:14:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2023-04-02 07:14:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-02 07:14:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 07:14:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 07:14:29,376 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:14:29,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:14:29,777 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:14:29,791 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-04-02 07:14:29,791 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-04-02 07:14:29,803 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:14:30,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-04-02 07:14:30,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-04-02 07:14:30,412 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-02 07:14:31,348 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:14:31,393 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2023-04-02 07:14:31,394 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2023-04-02 07:14:31,586 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:14:31,708 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2023-04-02 07:14:31,708 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2023-04-02 07:14:32,075 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:14:32,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:14:32,091 INFO L302 CfgBuilder]: Removed 104 assume(true) statements. [2023-04-02 07:14:32,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:14:32 BoogieIcfgContainer [2023-04-02 07:14:32,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:14:32,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:14:32,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:14:32,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:14:32,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:14:25" (1/3) ... [2023-04-02 07:14:32,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c378d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:14:32, skipping insertion in model container [2023-04-02 07:14:32,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:14:28" (2/3) ... [2023-04-02 07:14:32,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c378d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:14:32, skipping insertion in model container [2023-04-02 07:14:32,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:14:32" (3/3) ... [2023-04-02 07:14:32,101 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-02 07:14:32,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:14:32,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:14:32,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:14:32,233 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;@3d1ba286, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:14:32,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:14:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 1610 states, 1068 states have (on average 1.4391385767790261) internal successors, (1537), 1111 states have internal predecessors, (1537), 407 states have call successors, (407), 128 states have call predecessors, (407), 127 states have return successors, (406), 395 states have call predecessors, (406), 406 states have call successors, (406) [2023-04-02 07:14:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-04-02 07:14:32,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:32,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 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 07:14:32,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:32,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash 89026148, now seen corresponding path program 1 times [2023-04-02 07:14:32,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:32,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947928495] [2023-04-02 07:14:32,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:33,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:33,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947928495] [2023-04-02 07:14:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947928495] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:33,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:14:33,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490655510] [2023-04-02 07:14:33,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:33,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:14:33,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:14:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:14:33,755 INFO L87 Difference]: Start difference. First operand has 1610 states, 1068 states have (on average 1.4391385767790261) internal successors, (1537), 1111 states have internal predecessors, (1537), 407 states have call successors, (407), 128 states have call predecessors, (407), 127 states have return successors, (406), 395 states have call predecessors, (406), 406 states have call successors, (406) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 07:14:54,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:54,702 INFO L93 Difference]: Finished difference Result 4675 states and 7040 transitions. [2023-04-02 07:14:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:14:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2023-04-02 07:14:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:54,744 INFO L225 Difference]: With dead ends: 4675 [2023-04-02 07:14:54,744 INFO L226 Difference]: Without dead ends: 3167 [2023-04-02 07:14:54,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:14:54,761 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 3843 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4150 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 5745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 4150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:54,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4212 Valid, 418 Invalid, 5745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1595 Valid, 4150 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2023-04-02 07:14:54,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2023-04-02 07:14:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 3133. [2023-04-02 07:14:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 2066 states have (on average 1.2313649564375606) internal successors, (2544), 2131 states have internal predecessors, (2544), 823 states have call successors, (823), 244 states have call predecessors, (823), 243 states have return successors, (833), 799 states have call predecessors, (833), 817 states have call successors, (833) [2023-04-02 07:14:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4200 transitions. [2023-04-02 07:14:55,959 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4200 transitions. Word has length 26 [2023-04-02 07:14:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:55,960 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4200 transitions. [2023-04-02 07:14:55,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 07:14:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4200 transitions. [2023-04-02 07:14:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-04-02 07:14:55,962 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:55,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 07:14:55,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:14:55,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:55,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:55,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1536272183, now seen corresponding path program 1 times [2023-04-02 07:14:55,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:55,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829740499] [2023-04-02 07:14:55,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:56,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829740499] [2023-04-02 07:14:56,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829740499] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:56,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:56,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:14:56,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539017546] [2023-04-02 07:14:56,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:56,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:14:56,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:14:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:14:56,749 INFO L87 Difference]: Start difference. First operand 3133 states and 4200 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 07:15:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:09,129 INFO L93 Difference]: Finished difference Result 3166 states and 4247 transitions. [2023-04-02 07:15:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:15:09,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2023-04-02 07:15:09,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:09,150 INFO L225 Difference]: With dead ends: 3166 [2023-04-02 07:15:09,151 INFO L226 Difference]: Without dead ends: 3151 [2023-04-02 07:15:09,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:15:09,155 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 2578 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 1488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2663 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1488 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:09,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2663 Valid, 155 Invalid, 3709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1488 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-04-02 07:15:09,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2023-04-02 07:15:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 3120. [2023-04-02 07:15:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 2061 states have (on average 1.2295002426006794) internal successors, (2534), 2124 states have internal predecessors, (2534), 817 states have call successors, (817), 241 states have call predecessors, (817), 241 states have return successors, (829), 795 states have call predecessors, (829), 813 states have call successors, (829) [2023-04-02 07:15:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 4180 transitions. [2023-04-02 07:15:10,280 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 4180 transitions. Word has length 27 [2023-04-02 07:15:10,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:10,280 INFO L495 AbstractCegarLoop]: Abstraction has 3120 states and 4180 transitions. [2023-04-02 07:15:10,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 07:15:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 4180 transitions. [2023-04-02 07:15:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-02 07:15:10,299 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:10,300 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:15:10,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 07:15:10,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:10,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash 48933980, now seen corresponding path program 1 times [2023-04-02 07:15:10,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:10,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761752668] [2023-04-02 07:15:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 07:15:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:15:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 07:15:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 07:15:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 07:15:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:15:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 07:15:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 07:15:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 07:15:11,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:11,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761752668] [2023-04-02 07:15:11,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761752668] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:11,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:11,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 07:15:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995484345] [2023-04-02 07:15:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:11,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 07:15:11,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:11,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 07:15:11,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:15:11,300 INFO L87 Difference]: Start difference. First operand 3120 states and 4180 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 07:15:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:27,386 INFO L93 Difference]: Finished difference Result 6816 states and 9354 transitions. [2023-04-02 07:15:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 07:15:27,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2023-04-02 07:15:27,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:27,411 INFO L225 Difference]: With dead ends: 6816 [2023-04-02 07:15:27,411 INFO L226 Difference]: Without dead ends: 3736 [2023-04-02 07:15:27,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:15:27,424 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 2896 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 1975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 8279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 6304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:27,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 573 Invalid, 8279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1975 Valid, 6304 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2023-04-02 07:15:27,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2023-04-02 07:15:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3227. [2023-04-02 07:15:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2136 states have (on average 1.2411048689138577) internal successors, (2651), 2211 states have internal predecessors, (2651), 849 states have call successors, (849), 241 states have call predecessors, (849), 241 states have return successors, (863), 817 states have call predecessors, (863), 845 states have call successors, (863) [2023-04-02 07:15:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4363 transitions. [2023-04-02 07:15:28,705 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4363 transitions. Word has length 127 [2023-04-02 07:15:28,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:28,706 INFO L495 AbstractCegarLoop]: Abstraction has 3227 states and 4363 transitions. [2023-04-02 07:15:28,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 07:15:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4363 transitions. [2023-04-02 07:15:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-04-02 07:15:28,715 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:28,716 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:28,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 07:15:28,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:28,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:28,717 INFO L85 PathProgramCache]: Analyzing trace with hash 800948640, now seen corresponding path program 1 times [2023-04-02 07:15:28,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:28,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580186027] [2023-04-02 07:15:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:28,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:15:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:15:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:15:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 07:15:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:15:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 07:15:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:15:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 07:15:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 07:15:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 07:15:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 07:15:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:15:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 07:15:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-02 07:15:30,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:30,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580186027] [2023-04-02 07:15:30,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580186027] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:30,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:30,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 07:15:30,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773110568] [2023-04-02 07:15:30,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:30,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 07:15:30,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 07:15:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:15:30,093 INFO L87 Difference]: Start difference. First operand 3227 states and 4363 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:15:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:51,091 INFO L93 Difference]: Finished difference Result 7045 states and 9736 transitions. [2023-04-02 07:15:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 07:15:51,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 183 [2023-04-02 07:15:51,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:51,112 INFO L225 Difference]: With dead ends: 7045 [2023-04-02 07:15:51,112 INFO L226 Difference]: Without dead ends: 3861 [2023-04-02 07:15:51,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:15:51,126 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 3534 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 13294 mSolverCounterSat, 2672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 15966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2672 IncrementalHoareTripleChecker+Valid, 13294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:51,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 1183 Invalid, 15966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2672 Valid, 13294 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-04-02 07:15:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2023-04-02 07:15:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3239. [2023-04-02 07:15:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 2144 states have (on average 1.240205223880597) internal successors, (2659), 2219 states have internal predecessors, (2659), 851 states have call successors, (851), 241 states have call predecessors, (851), 243 states have return successors, (867), 821 states have call predecessors, (867), 847 states have call successors, (867) [2023-04-02 07:15:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 4377 transitions. [2023-04-02 07:15:52,375 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 4377 transitions. Word has length 183 [2023-04-02 07:15:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:52,375 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 4377 transitions. [2023-04-02 07:15:52,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:15:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 4377 transitions. [2023-04-02 07:15:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-02 07:15:52,386 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:52,386 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:15:52,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 07:15:52,387 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:52,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1921972409, now seen corresponding path program 1 times [2023-04-02 07:15:52,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:52,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114427543] [2023-04-02 07:15:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:15:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 07:15:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:15:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:15:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 07:15:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 07:15:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 07:15:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:15:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:15:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 07:15:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 07:15:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 07:15:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 07:15:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:15:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 07:15:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:15:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-04-02 07:15:54,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114427543] [2023-04-02 07:15:54,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114427543] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:54,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000930010] [2023-04-02 07:15:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:54,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:15:54,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 07:15:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:55,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 3685 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-02 07:15:55,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-04-02 07:15:55,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:55,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000930010] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:55,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:55,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-04-02 07:15:55,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045595360] [2023-04-02 07:15:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:55,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:15:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:55,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:15:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2023-04-02 07:15:55,495 INFO L87 Difference]: Start difference. First operand 3239 states and 4377 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 07:15:56,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:56,701 INFO L93 Difference]: Finished difference Result 6439 states and 8709 transitions. [2023-04-02 07:15:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 07:15:56,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2023-04-02 07:15:56,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:56,713 INFO L225 Difference]: With dead ends: 6439 [2023-04-02 07:15:56,713 INFO L226 Difference]: Without dead ends: 3233 [2023-04-02 07:15:56,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:15:56,725 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 2 mSDsluCounter, 8048 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10064 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:56,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10064 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:15:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2023-04-02 07:15:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3233. [2023-04-02 07:15:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3233 states, 2141 states have (on average 1.239140588510042) internal successors, (2653), 2214 states have internal predecessors, (2653), 849 states have call successors, (849), 240 states have call predecessors, (849), 242 states have return successors, (865), 819 states have call predecessors, (865), 845 states have call successors, (865) [2023-04-02 07:15:57,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4367 transitions. [2023-04-02 07:15:57,698 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4367 transitions. Word has length 186 [2023-04-02 07:15:57,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:57,698 INFO L495 AbstractCegarLoop]: Abstraction has 3233 states and 4367 transitions. [2023-04-02 07:15:57,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 07:15:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4367 transitions. [2023-04-02 07:15:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-02 07:15:57,708 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:57,708 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:57,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 07:15:57,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:57,922 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:57,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2051548901, now seen corresponding path program 1 times [2023-04-02 07:15:57,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:57,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380514960] [2023-04-02 07:15:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:15:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:15:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:15:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:15:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:15:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:15:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 07:15:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:15:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 07:15:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 07:15:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 07:15:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:15:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 07:15:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 07:15:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:15:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 07:15:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 07:15:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 07:15:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 07:15:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 07:15:59,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:59,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380514960] [2023-04-02 07:15:59,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380514960] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:59,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493416670] [2023-04-02 07:15:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:59,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:59,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:15:59,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 07:16:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:00,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 3780 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 07:16:00,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:16:01,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-04-02 07:16:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 07:16:01,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:16:01,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493416670] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:16:01,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:16:01,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2023-04-02 07:16:01,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481714027] [2023-04-02 07:16:01,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:16:01,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 07:16:01,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:01,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 07:16:01,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:16:01,117 INFO L87 Difference]: Start difference. First operand 3233 states and 4367 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 07:16:04,591 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 [0] [2023-04-02 07:16:06,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:08,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:10,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:13,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:15,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:17,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:19,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:22,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:24,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:29,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:31,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 07:16:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:32,314 INFO L93 Difference]: Finished difference Result 8123 states and 11107 transitions. [2023-04-02 07:16:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 07:16:32,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 207 [2023-04-02 07:16:32,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:32,348 INFO L225 Difference]: With dead ends: 8123 [2023-04-02 07:16:32,348 INFO L226 Difference]: Without dead ends: 4927 [2023-04-02 07:16:32,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 259 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-04-02 07:16:32,362 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 890 mSDsluCounter, 7691 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 24 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 9798 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:32,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 9798 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1114 Invalid, 13 Unknown, 0 Unchecked, 29.3s Time] [2023-04-02 07:16:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2023-04-02 07:16:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 4737. [2023-04-02 07:16:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 3120 states have (on average 1.2381410256410257) internal successors, (3863), 3257 states have internal predecessors, (3863), 1262 states have call successors, (1262), 368 states have call predecessors, (1262), 354 states have return successors, (1334), 1182 states have call predecessors, (1334), 1258 states have call successors, (1334) [2023-04-02 07:16:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6459 transitions. [2023-04-02 07:16:33,975 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6459 transitions. Word has length 207 [2023-04-02 07:16:33,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:33,976 INFO L495 AbstractCegarLoop]: Abstraction has 4737 states and 6459 transitions. [2023-04-02 07:16:33,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 07:16:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6459 transitions. [2023-04-02 07:16:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-04-02 07:16:33,988 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:33,988 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:16:34,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 07:16:34,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 07:16:34,205 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:34,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1520376947, now seen corresponding path program 1 times [2023-04-02 07:16:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:34,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734602849] [2023-04-02 07:16:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:16:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:16:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 07:16:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:16:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 07:16:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:16:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:16:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 07:16:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 07:16:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 07:16:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:16:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 07:16:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:16:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 07:16:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 07:16:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 07:16:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 07:16:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-04-02 07:16:35,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:16:35,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734602849] [2023-04-02 07:16:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734602849] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:16:35,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377669432] [2023-04-02 07:16:35,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:35,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:16:35,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:16:35,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:16:35,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 07:16:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:36,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 3711 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 07:16:36,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:16:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 07:16:36,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:16:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-04-02 07:16:36,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377669432] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:16:36,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:16:36,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 11 [2023-04-02 07:16:36,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410780906] [2023-04-02 07:16:36,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:16:36,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:16:36,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:36,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:16:36,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:16:36,712 INFO L87 Difference]: Start difference. First operand 4737 states and 6459 transitions. Second operand has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2023-04-02 07:16:55,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:55,913 INFO L93 Difference]: Finished difference Result 10644 states and 15052 transitions. [2023-04-02 07:16:55,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 07:16:55,915 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 219 [2023-04-02 07:16:55,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:55,954 INFO L225 Difference]: With dead ends: 10644 [2023-04-02 07:16:55,954 INFO L226 Difference]: Without dead ends: 5944 [2023-04-02 07:16:55,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 495 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2023-04-02 07:16:55,979 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 3321 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 10290 mSolverCounterSat, 2234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3590 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 12524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2234 IncrementalHoareTripleChecker+Valid, 10290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:55,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3590 Valid, 1132 Invalid, 12524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2234 Valid, 10290 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2023-04-02 07:16:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2023-04-02 07:16:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5207. [2023-04-02 07:16:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5207 states, 3452 states have (on average 1.272595596755504) internal successors, (4393), 3647 states have internal predecessors, (4393), 1388 states have call successors, (1388), 368 states have call predecessors, (1388), 366 states have return successors, (1540), 1270 states have call predecessors, (1540), 1384 states have call successors, (1540) [2023-04-02 07:16:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 5207 states and 7321 transitions. [2023-04-02 07:16:57,800 INFO L78 Accepts]: Start accepts. Automaton has 5207 states and 7321 transitions. Word has length 219 [2023-04-02 07:16:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:57,802 INFO L495 AbstractCegarLoop]: Abstraction has 5207 states and 7321 transitions. [2023-04-02 07:16:57,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 5 states have internal predecessors, (182), 4 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2023-04-02 07:16:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 7321 transitions. [2023-04-02 07:16:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-04-02 07:16:57,818 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:57,819 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:16:57,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 07:16:58,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:16:58,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:58,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash -145828921, now seen corresponding path program 1 times [2023-04-02 07:16:58,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:58,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196507822] [2023-04-02 07:16:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:58,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:16:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:16:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 07:16:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:16:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 07:16:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:16:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:16:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 07:16:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 07:16:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 07:16:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 07:16:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:16:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 07:16:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 07:16:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 07:16:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 07:17:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 07:17:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 07:17:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 07:17:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 07:17:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-04-02 07:17:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-04-02 07:17:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-04-02 07:17:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 07:17:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 07:17:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-04-02 07:17:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-04-02 07:17:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 07:17:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 07:17:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-04-02 07:17:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-04-02 07:17:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-04-02 07:17:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-04-02 07:17:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-04-02 07:17:00,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:00,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196507822] [2023-04-02 07:17:00,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196507822] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:00,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790375580] [2023-04-02 07:17:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:00,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:00,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:00,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 07:17:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:01,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 19 conjunts are in the unsatisfiable core [2023-04-02 07:17:01,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-04-02 07:17:01,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:01,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790375580] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:01,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:01,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 21 [2023-04-02 07:17:01,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941486686] [2023-04-02 07:17:01,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:01,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:17:01,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:01,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:17:01,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2023-04-02 07:17:01,574 INFO L87 Difference]: Start difference. First operand 5207 states and 7321 transitions. Second operand has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 7 states have internal predecessors, (177), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-04-02 07:17:03,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:03,447 INFO L93 Difference]: Finished difference Result 10422 states and 14659 transitions. [2023-04-02 07:17:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:17:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 7 states have internal predecessors, (177), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) Word has length 335 [2023-04-02 07:17:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:03,477 INFO L225 Difference]: With dead ends: 10422 [2023-04-02 07:17:03,477 INFO L226 Difference]: Without dead ends: 5218 [2023-04-02 07:17:03,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2023-04-02 07:17:03,499 INFO L413 NwaCegarLoop]: 2029 mSDtfsCounter, 30 mSDsluCounter, 14143 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 16172 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:03,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 16172 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 07:17:03,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2023-04-02 07:17:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5201. [2023-04-02 07:17:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 3451 states have (on average 1.271225731671979) internal successors, (4387), 3646 states have internal predecessors, (4387), 1382 states have call successors, (1382), 369 states have call predecessors, (1382), 367 states have return successors, (1534), 1264 states have call predecessors, (1534), 1378 states have call successors, (1534) [2023-04-02 07:17:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 7303 transitions. [2023-04-02 07:17:05,243 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 7303 transitions. Word has length 335 [2023-04-02 07:17:05,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:05,243 INFO L495 AbstractCegarLoop]: Abstraction has 5201 states and 7303 transitions. [2023-04-02 07:17:05,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 7 states have internal predecessors, (177), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-04-02 07:17:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 7303 transitions. [2023-04-02 07:17:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-04-02 07:17:05,256 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:05,256 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:05,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:05,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:05,474 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:05,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash -47705225, now seen corresponding path program 1 times [2023-04-02 07:17:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:05,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902919682] [2023-04-02 07:17:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:05,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:17:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:17:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:17:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 07:17:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 07:17:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 07:17:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 07:17:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:17:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:17:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 07:17:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 07:17:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 07:17:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 07:17:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 07:17:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 07:17:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 07:17:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 07:17:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-04-02 07:17:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 07:17:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-02 07:17:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 07:17:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 07:17:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 07:17:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-04-02 07:17:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-04-02 07:17:07,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:07,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902919682] [2023-04-02 07:17:07,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902919682] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:07,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109802851] [2023-04-02 07:17:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:07,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:07,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:07,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 07:17:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:08,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-02 07:17:08,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-04-02 07:17:08,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:08,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109802851] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:08,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:08,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-04-02 07:17:08,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121011027] [2023-04-02 07:17:08,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:08,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:17:08,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:08,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:17:08,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:08,860 INFO L87 Difference]: Start difference. First operand 5201 states and 7303 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 07:17:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:10,551 INFO L93 Difference]: Finished difference Result 10308 states and 14542 transitions. [2023-04-02 07:17:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:17:10,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 306 [2023-04-02 07:17:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:10,577 INFO L225 Difference]: With dead ends: 10308 [2023-04-02 07:17:10,577 INFO L226 Difference]: Without dead ends: 5144 [2023-04-02 07:17:10,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:10,610 INFO L413 NwaCegarLoop]: 2030 mSDtfsCounter, 17 mSDsluCounter, 6048 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8078 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:10,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8078 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:17:10,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2023-04-02 07:17:12,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 5046. [2023-04-02 07:17:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5046 states, 3361 states have (on average 1.271347813150848) internal successors, (4273), 3542 states have internal predecessors, (4273), 1318 states have call successors, (1318), 368 states have call predecessors, (1318), 366 states have return successors, (1466), 1202 states have call predecessors, (1466), 1314 states have call successors, (1466) [2023-04-02 07:17:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 7057 transitions. [2023-04-02 07:17:12,489 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 7057 transitions. Word has length 306 [2023-04-02 07:17:12,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:12,489 INFO L495 AbstractCegarLoop]: Abstraction has 5046 states and 7057 transitions. [2023-04-02 07:17:12,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 07:17:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 7057 transitions. [2023-04-02 07:17:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-04-02 07:17:12,501 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:12,502 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:12,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:12,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:12,709 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:12,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1677775672, now seen corresponding path program 1 times [2023-04-02 07:17:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:12,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635227354] [2023-04-02 07:17:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:17:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:17:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:17:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 07:17:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 07:17:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 07:17:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 07:17:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:17:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:17:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 07:17:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 07:17:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 07:17:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 07:17:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 07:17:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 07:17:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 07:17:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 07:17:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-04-02 07:17:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 07:17:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-02 07:17:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 07:17:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 07:17:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 07:17:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-04-02 07:17:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-04-02 07:17:14,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:14,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635227354] [2023-04-02 07:17:14,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635227354] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:14,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343507043] [2023-04-02 07:17:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:14,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:14,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:14,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:14,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 07:17:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:15,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 4502 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 07:17:15,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-04-02 07:17:16,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:17:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-04-02 07:17:16,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343507043] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:16,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 07:17:16,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14, 6] total 20 [2023-04-02 07:17:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449090385] [2023-04-02 07:17:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:16,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:17:16,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:17:16,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:17:16,538 INFO L87 Difference]: Start difference. First operand 5046 states and 7057 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 5 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 07:17:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:21,871 INFO L93 Difference]: Finished difference Result 7529 states and 10574 transitions. [2023-04-02 07:17:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:17:21,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 5 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) Word has length 306 [2023-04-02 07:17:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:21,909 INFO L225 Difference]: With dead ends: 7529 [2023-04-02 07:17:21,910 INFO L226 Difference]: Without dead ends: 7526 [2023-04-02 07:17:21,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 692 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:17:21,916 INFO L413 NwaCegarLoop]: 3798 mSDtfsCounter, 5093 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5093 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 2585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:21,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5093 Valid, 4014 Invalid, 2585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-02 07:17:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2023-04-02 07:17:24,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 7503. [2023-04-02 07:17:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7503 states, 5001 states have (on average 1.27374525094981) internal successors, (6370), 5269 states have internal predecessors, (6370), 1957 states have call successors, (1957), 545 states have call predecessors, (1957), 544 states have return successors, (2220), 1784 states have call predecessors, (2220), 1953 states have call successors, (2220) [2023-04-02 07:17:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7503 states to 7503 states and 10547 transitions. [2023-04-02 07:17:24,329 INFO L78 Accepts]: Start accepts. Automaton has 7503 states and 10547 transitions. Word has length 306 [2023-04-02 07:17:24,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:24,330 INFO L495 AbstractCegarLoop]: Abstraction has 7503 states and 10547 transitions. [2023-04-02 07:17:24,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 5 states have call successors, (45), 5 states have call predecessors, (45), 3 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 07:17:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7503 states and 10547 transitions. [2023-04-02 07:17:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-04-02 07:17:24,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:24,341 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:24,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:24,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:24,556 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:24,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2127747983, now seen corresponding path program 1 times [2023-04-02 07:17:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:24,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007345492] [2023-04-02 07:17:24,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:17:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:17:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:17:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 07:17:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 07:17:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 07:17:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 07:17:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:17:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:17:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 07:17:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 07:17:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 07:17:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 07:17:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 07:17:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 07:17:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 07:17:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 07:17:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-04-02 07:17:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 07:17:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-02 07:17:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 07:17:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 07:17:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 07:17:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-04-02 07:17:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-04-02 07:17:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-04-02 07:17:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 07:17:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 07:17:26,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:26,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007345492] [2023-04-02 07:17:26,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007345492] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:26,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684198239] [2023-04-02 07:17:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:26,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:26,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:26,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:26,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 07:17:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:27,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 4506 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 07:17:27,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-02 07:17:27,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:27,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684198239] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:27,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:27,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2023-04-02 07:17:27,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266621047] [2023-04-02 07:17:27,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:27,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:17:27,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:27,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:17:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:27,621 INFO L87 Difference]: Start difference. First operand 7503 states and 10547 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-02 07:17:30,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:30,313 INFO L93 Difference]: Finished difference Result 15213 states and 21611 transitions. [2023-04-02 07:17:30,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 07:17:30,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 312 [2023-04-02 07:17:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:30,353 INFO L225 Difference]: With dead ends: 15213 [2023-04-02 07:17:30,353 INFO L226 Difference]: Without dead ends: 7747 [2023-04-02 07:17:30,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:30,391 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 81 mSDsluCounter, 4058 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:30,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 6150 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 07:17:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2023-04-02 07:17:32,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7594. [2023-04-02 07:17:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7594 states, 5069 states have (on average 1.2720457683961333) internal successors, (6448), 5333 states have internal predecessors, (6448), 1980 states have call successors, (1980), 545 states have call predecessors, (1980), 544 states have return successors, (2248), 1811 states have call predecessors, (2248), 1976 states have call successors, (2248) [2023-04-02 07:17:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7594 states to 7594 states and 10676 transitions. [2023-04-02 07:17:32,900 INFO L78 Accepts]: Start accepts. Automaton has 7594 states and 10676 transitions. Word has length 312 [2023-04-02 07:17:32,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:32,901 INFO L495 AbstractCegarLoop]: Abstraction has 7594 states and 10676 transitions. [2023-04-02 07:17:32,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-02 07:17:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 7594 states and 10676 transitions. [2023-04-02 07:17:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-02 07:17:32,911 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:32,912 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:32,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:33,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:33,121 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:33,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash -774380503, now seen corresponding path program 1 times [2023-04-02 07:17:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646050433] [2023-04-02 07:17:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 07:17:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 07:17:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:17:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 07:17:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 07:17:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 07:17:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 07:17:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 07:17:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 07:17:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:17:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:17:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 07:17:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 07:17:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:17:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 07:17:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 07:17:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:17:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 07:17:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 07:17:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 07:17:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 07:17:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 07:17:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 07:17:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-04-02 07:17:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:34,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646050433] [2023-04-02 07:17:34,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646050433] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:34,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574440598] [2023-04-02 07:17:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:34,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:34,975 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:34,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 07:17:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:36,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 4225 conjuncts, 37 conjunts are in the unsatisfiable core [2023-04-02 07:17:36,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-04-02 07:17:36,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:36,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574440598] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:36,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:36,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 17 [2023-04-02 07:17:36,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59086594] [2023-04-02 07:17:36,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:36,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:17:36,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:36,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:17:36,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:36,393 INFO L87 Difference]: Start difference. First operand 7594 states and 10676 transitions. Second operand has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (47), 5 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 07:17:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:38,880 INFO L93 Difference]: Finished difference Result 15217 states and 21580 transitions. [2023-04-02 07:17:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:17:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (47), 5 states have call predecessors, (47), 2 states have call successors, (47) Word has length 285 [2023-04-02 07:17:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:38,927 INFO L225 Difference]: With dead ends: 15217 [2023-04-02 07:17:38,927 INFO L226 Difference]: Without dead ends: 7660 [2023-04-02 07:17:38,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 372 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:17:38,986 INFO L413 NwaCegarLoop]: 2013 mSDtfsCounter, 3 mSDsluCounter, 14065 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16078 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:38,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16078 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 07:17:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states. [2023-04-02 07:17:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 7624. [2023-04-02 07:17:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7624 states, 5090 states have (on average 1.2709233791748527) internal successors, (6469), 5354 states have internal predecessors, (6469), 1980 states have call successors, (1980), 545 states have call predecessors, (1980), 553 states have return successors, (2296), 1820 states have call predecessors, (2296), 1976 states have call successors, (2296) [2023-04-02 07:17:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7624 states to 7624 states and 10745 transitions. [2023-04-02 07:17:41,450 INFO L78 Accepts]: Start accepts. Automaton has 7624 states and 10745 transitions. Word has length 285 [2023-04-02 07:17:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:41,450 INFO L495 AbstractCegarLoop]: Abstraction has 7624 states and 10745 transitions. [2023-04-02 07:17:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (47), 5 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 07:17:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7624 states and 10745 transitions. [2023-04-02 07:17:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-02 07:17:41,459 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:41,459 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:41,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:41,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-02 07:17:41,660 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:41,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1479911688, now seen corresponding path program 1 times [2023-04-02 07:17:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:41,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043415127] [2023-04-02 07:17:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:41,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 07:17:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 07:17:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:17:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 07:17:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 07:17:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 07:17:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 07:17:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 07:17:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 07:17:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:17:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:17:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 07:17:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 07:17:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:17:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 07:17:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 07:17:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:17:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 07:17:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 07:17:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 07:17:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 07:17:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 07:17:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 07:17:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-04-02 07:17:43,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:43,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043415127] [2023-04-02 07:17:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043415127] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:43,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034037258] [2023-04-02 07:17:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:43,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:43,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:43,393 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:17:43,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-02 07:17:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:44,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 4234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-04-02 07:17:44,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-04-02 07:17:44,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:44,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034037258] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:44,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:44,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 15 [2023-04-02 07:17:44,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738715027] [2023-04-02 07:17:44,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:44,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:17:44,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:44,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:17:44,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:17:44,806 INFO L87 Difference]: Start difference. First operand 7624 states and 10745 transitions. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 5 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-02 07:17:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:47,273 INFO L93 Difference]: Finished difference Result 15247 states and 21622 transitions. [2023-04-02 07:17:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:17:47,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 5 states have call predecessors, (45), 2 states have call successors, (45) Word has length 285 [2023-04-02 07:17:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:47,316 INFO L225 Difference]: With dead ends: 15247 [2023-04-02 07:17:47,316 INFO L226 Difference]: Without dead ends: 7660 [2023-04-02 07:17:47,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:17:47,372 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 3 mSDsluCounter, 14035 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16043 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:47,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 16043 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 07:17:47,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states. [2023-04-02 07:17:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 7660. [2023-04-02 07:17:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7660 states, 5117 states have (on average 1.2694938440492476) internal successors, (6496), 5378 states have internal predecessors, (6496), 1980 states have call successors, (1980), 545 states have call predecessors, (1980), 562 states have return successors, (2314), 1832 states have call predecessors, (2314), 1976 states have call successors, (2314) [2023-04-02 07:17:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7660 states to 7660 states and 10790 transitions. [2023-04-02 07:17:49,899 INFO L78 Accepts]: Start accepts. Automaton has 7660 states and 10790 transitions. Word has length 285 [2023-04-02 07:17:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:49,900 INFO L495 AbstractCegarLoop]: Abstraction has 7660 states and 10790 transitions. [2023-04-02 07:17:49,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 6 states have internal predecessors, (155), 2 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 5 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-02 07:17:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7660 states and 10790 transitions. [2023-04-02 07:17:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-02 07:17:49,908 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:49,908 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:49,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-02 07:17:50,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 07:17:50,109 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:50,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:50,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1852047562, now seen corresponding path program 2 times [2023-04-02 07:17:50,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:50,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466894973] [2023-04-02 07:17:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:50,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:17:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 07:17:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 07:17:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 07:17:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:17:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 07:17:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 07:17:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 07:17:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 07:17:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 07:17:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 07:17:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:17:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:17:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:17:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 07:17:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 07:17:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:17:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 07:17:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 07:17:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 07:17:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:17:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 07:17:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 07:17:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 07:17:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 07:17:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 07:17:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 07:17:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-04-02 07:17:51,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:51,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466894973] [2023-04-02 07:17:51,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466894973] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:51,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:17:51,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 07:17:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993584051] [2023-04-02 07:17:51,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:51,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 07:17:51,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:51,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 07:17:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:17:51,554 INFO L87 Difference]: Start difference. First operand 7660 states and 10790 transitions. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (46), 8 states have call predecessors, (46), 4 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43)