/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-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:13:35,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:13:35,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:13:35,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:13:35,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:13:35,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:13:35,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:13:35,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:13:35,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:13:35,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:13:35,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:13:35,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:13:35,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:13:35,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:13:35,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:13:35,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:13:35,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:13:35,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:13:35,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:13:35,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:13:35,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:13:35,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:13:35,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:13:35,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:13:35,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:13:35,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:13:35,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:13:35,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:13:35,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:13:35,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:13:35,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:13:35,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:13:35,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:13:35,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:13:35,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:13:35,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:13:35,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:13:35,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:13:35,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:13:35,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:13:35,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:13:35,258 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 07:13:35,271 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:13:35,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:13:35,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:13:35,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:13:35,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:13:35,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:13:35,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:13:35,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:13:35,273 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:13:35,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:13:35,273 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:13:35,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:13:35,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:13:35,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:13:35,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:13:35,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:13:35,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:13:35,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:13:35,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:13:35,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:13:35,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:13:35,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:13:35,277 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:13:35,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:13:35,277 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:13:35,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:13:35,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:13:35,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:13:35,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:13:35,464 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:13:35,465 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:13:35,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-02 07:13:36,536 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:13:36,916 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:13:36,917 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-02 07:13:36,949 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb3a9021/80d28f77d81047069993d5be2400d72e/FLAG005a4ffaa [2023-04-02 07:13:36,962 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb3a9021/80d28f77d81047069993d5be2400d72e [2023-04-02 07:13:36,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:13:36,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:13:36,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:13:36,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:13:36,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:13:36,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:13:36" (1/1) ... [2023-04-02 07:13:36,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5213556a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:36, skipping insertion in model container [2023-04-02 07:13:36,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:13:36" (1/1) ... [2023-04-02 07:13:36,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:13:37,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:13:37,812 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-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-04-02 07:13:37,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:13:37,868 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:13:38,096 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-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-04-02 07:13:38,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:13:38,232 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:13:38,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38 WrapperNode [2023-04-02 07:13:38,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:13:38,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:13:38,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:13:38,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:13:38,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:13:38,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:13:38,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:13:38,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:13:38,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (1/1) ... [2023-04-02 07:13:38,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:13:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:38,451 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 07:13:38,458 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 07:13:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:13:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-02 07:13:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-02 07:13:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 07:13:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 07:13:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 07:13:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_can_msg [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_bulk_callback [2023-04-02 07:13:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2023-04-02 07:13:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2023-04-02 07:13:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2023-04-02 07:13:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2023-04-02 07:13:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2023-04-02 07:13:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_set_mode [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_set_bittiming [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2023-04-02 07:13:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 07:13:38,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-04-02 07:13:38,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-04-02 07:13:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 07:13:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 07:13:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:13:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 07:13:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 07:13:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-02 07:13:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-02 07:13:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:13:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-02 07:13:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-02 07:13:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 07:13:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:13:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 07:13:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-02 07:13:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2023-04-02 07:13:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_can_msg [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_bulk_callback [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2023-04-02 07:13:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_set_mode [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_set_bittiming [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 07:13:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 07:13:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 07:13:38,862 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:13:38,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:13:39,474 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:13:39,548 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2023-04-02 07:13:39,548 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2023-04-02 07:13:39,837 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-02 07:13:40,077 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:13:40,101 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-04-02 07:13:40,101 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-04-02 07:13:40,338 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:13:40,349 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-04-02 07:13:40,349 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-04-02 07:13:40,351 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:13:40,368 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume !false; [2023-04-02 07:13:40,368 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume false; [2023-04-02 07:13:40,422 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:13:40,512 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2023-04-02 07:13:40,512 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2023-04-02 07:13:40,663 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:13:40,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:13:40,674 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-04-02 07:13:40,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:13:40 BoogieIcfgContainer [2023-04-02 07:13:40,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:13:40,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:13:40,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:13:40,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:13:40,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:13:36" (1/3) ... [2023-04-02 07:13:40,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:13:40, skipping insertion in model container [2023-04-02 07:13:40,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:13:38" (2/3) ... [2023-04-02 07:13:40,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:13:40, skipping insertion in model container [2023-04-02 07:13:40,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:13:40" (3/3) ... [2023-04-02 07:13:40,681 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-02 07:13:40,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:13:40,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:13:40,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:13:40,739 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;@6ccbd2e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:13:40,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:13:40,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 950 states, 643 states have (on average 1.3561430793157077) internal successors, (872), 668 states have internal predecessors, (872), 200 states have call successors, (200), 99 states have call predecessors, (200), 98 states have return successors, (198), 193 states have call predecessors, (198), 198 states have call successors, (198) [2023-04-02 07:13:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-04-02 07:13:40,749 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:40,750 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:40,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:40,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:40,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1487296257, now seen corresponding path program 1 times [2023-04-02 07:13:40,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:40,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688214791] [2023-04-02 07:13:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,392 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 07:13:41,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:41,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688214791] [2023-04-02 07:13:41,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688214791] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:41,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:41,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 07:13:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170434430] [2023-04-02 07:13:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:41,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:13:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:41,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:13:41,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 07:13:41,435 INFO L87 Difference]: Start difference. First operand has 950 states, 643 states have (on average 1.3561430793157077) internal successors, (872), 668 states have internal predecessors, (872), 200 states have call successors, (200), 99 states have call predecessors, (200), 98 states have return successors, (198), 193 states have call predecessors, (198), 198 states have call successors, (198) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-04-02 07:13:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:47,682 INFO L93 Difference]: Finished difference Result 1522 states and 2102 transitions. [2023-04-02 07:13:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 07:13:47,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 35 [2023-04-02 07:13:47,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:47,697 INFO L225 Difference]: With dead ends: 1522 [2023-04-02 07:13:47,697 INFO L226 Difference]: Without dead ends: 876 [2023-04-02 07:13:47,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:13:47,704 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 549 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 3430 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 3430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:47,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 527 Invalid, 3604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [174 Valid, 3430 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-02 07:13:47,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-04-02 07:13:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 653. [2023-04-02 07:13:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 419 states have (on average 1.2147971360381862) internal successors, (509), 429 states have internal predecessors, (509), 154 states have call successors, (154), 81 states have call predecessors, (154), 79 states have return successors, (149), 147 states have call predecessors, (149), 148 states have call successors, (149) [2023-04-02 07:13:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 812 transitions. [2023-04-02 07:13:47,843 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 812 transitions. Word has length 35 [2023-04-02 07:13:47,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:47,844 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 812 transitions. [2023-04-02 07:13:47,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-04-02 07:13:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 812 transitions. [2023-04-02 07:13:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-02 07:13:47,847 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:47,847 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:13:47,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:13:47,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:47,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash 119209796, now seen corresponding path program 1 times [2023-04-02 07:13:47,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:47,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653882488] [2023-04-02 07:13:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:47,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 07:13:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:13:48,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:48,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653882488] [2023-04-02 07:13:48,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653882488] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:48,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:48,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:13:48,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244255767] [2023-04-02 07:13:48,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:48,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:13:48,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:48,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:13:48,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:13:48,162 INFO L87 Difference]: Start difference. First operand 653 states and 812 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 07:13:54,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:54,401 INFO L93 Difference]: Finished difference Result 2277 states and 2997 transitions. [2023-04-02 07:13:54,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:13:54,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2023-04-02 07:13:54,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:54,412 INFO L225 Difference]: With dead ends: 2277 [2023-04-02 07:13:54,412 INFO L226 Difference]: Without dead ends: 1658 [2023-04-02 07:13:54,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:13:54,420 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1581 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 2106 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:54,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 556 Invalid, 2730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2106 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-02 07:13:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2023-04-02 07:13:54,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1481. [2023-04-02 07:13:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 954 states have (on average 1.2274633123689727) internal successors, (1171), 979 states have internal predecessors, (1171), 366 states have call successors, (366), 155 states have call predecessors, (366), 160 states have return successors, (396), 357 states have call predecessors, (396), 359 states have call successors, (396) [2023-04-02 07:13:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 1933 transitions. [2023-04-02 07:13:54,580 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 1933 transitions. Word has length 40 [2023-04-02 07:13:54,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:54,581 INFO L495 AbstractCegarLoop]: Abstraction has 1481 states and 1933 transitions. [2023-04-02 07:13:54,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 07:13:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1933 transitions. [2023-04-02 07:13:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-04-02 07:13:54,583 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:54,583 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:13:54,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 07:13:54,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:54,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:54,584 INFO L85 PathProgramCache]: Analyzing trace with hash -600025378, now seen corresponding path program 1 times [2023-04-02 07:13:54,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:54,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578753162] [2023-04-02 07:13:54,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:54,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 07:13:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:13:54,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:54,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578753162] [2023-04-02 07:13:54,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578753162] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:54,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:54,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:13:54,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049142816] [2023-04-02 07:13:54,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:54,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:13:54,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:54,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:13:54,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:13:54,905 INFO L87 Difference]: Start difference. First operand 1481 states and 1933 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 07:14:00,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:00,396 INFO L93 Difference]: Finished difference Result 4546 states and 6017 transitions. [2023-04-02 07:14:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:14:00,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2023-04-02 07:14:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:00,411 INFO L225 Difference]: With dead ends: 4546 [2023-04-02 07:14:00,411 INFO L226 Difference]: Without dead ends: 3089 [2023-04-02 07:14:00,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:14:00,420 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 1523 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:00,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 486 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-04-02 07:14:00,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2023-04-02 07:14:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 3068. [2023-04-02 07:14:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 1983 states have (on average 1.2314674735249622) internal successors, (2442), 2032 states have internal predecessors, (2442), 770 states have call successors, (770), 300 states have call predecessors, (770), 314 states have return successors, (852), 756 states have call predecessors, (852), 762 states have call successors, (852) [2023-04-02 07:14:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 4064 transitions. [2023-04-02 07:14:00,729 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 4064 transitions. Word has length 41 [2023-04-02 07:14:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:00,730 INFO L495 AbstractCegarLoop]: Abstraction has 3068 states and 4064 transitions. [2023-04-02 07:14:00,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 07:14:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 4064 transitions. [2023-04-02 07:14:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-04-02 07:14:00,734 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:00,734 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:14:00,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 07:14:00,734 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:00,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:00,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1121157181, now seen corresponding path program 1 times [2023-04-02 07:14:00,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:00,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839409562] [2023-04-02 07:14:00,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:00,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:14:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:14:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 07:14:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 07:14:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 07:14:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:14:01,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:01,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839409562] [2023-04-02 07:14:01,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839409562] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:01,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:01,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 07:14:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579669740] [2023-04-02 07:14:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:01,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:14:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:01,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:14:01,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 07:14:01,109 INFO L87 Difference]: Start difference. First operand 3068 states and 4064 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 07:14:10,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:10,934 INFO L93 Difference]: Finished difference Result 8241 states and 11755 transitions. [2023-04-02 07:14:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 07:14:10,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 103 [2023-04-02 07:14:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:10,955 INFO L225 Difference]: With dead ends: 8241 [2023-04-02 07:14:10,955 INFO L226 Difference]: Without dead ends: 5203 [2023-04-02 07:14:10,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:14:10,965 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 2279 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 5709 mSolverCounterSat, 1492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2508 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 7201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1492 IncrementalHoareTripleChecker+Valid, 5709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:10,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2508 Valid, 1539 Invalid, 7201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1492 Valid, 5709 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 07:14:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2023-04-02 07:14:11,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 3535. [2023-04-02 07:14:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3535 states, 2295 states have (on average 1.2418300653594772) internal successors, (2850), 2365 states have internal predecessors, (2850), 907 states have call successors, (907), 300 states have call predecessors, (907), 332 states have return successors, (1113), 894 states have call predecessors, (1113), 899 states have call successors, (1113) [2023-04-02 07:14:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3535 states and 4870 transitions. [2023-04-02 07:14:11,343 INFO L78 Accepts]: Start accepts. Automaton has 3535 states and 4870 transitions. Word has length 103 [2023-04-02 07:14:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:11,344 INFO L495 AbstractCegarLoop]: Abstraction has 3535 states and 4870 transitions. [2023-04-02 07:14:11,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 07:14:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 4870 transitions. [2023-04-02 07:14:11,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-04-02 07:14:11,349 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:11,349 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:14:11,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 07:14:11,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:11,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:11,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1260460662, now seen corresponding path program 1 times [2023-04-02 07:14:11,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:11,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665221546] [2023-04-02 07:14:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:11,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:14:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:14:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:14:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:14:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:14:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:14:11,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:11,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665221546] [2023-04-02 07:14:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665221546] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:11,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:11,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:14:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664946706] [2023-04-02 07:14:11,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:11,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:14:11,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:11,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:14:11,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:14:11,845 INFO L87 Difference]: Start difference. First operand 3535 states and 4870 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 07:14:21,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:21,106 INFO L93 Difference]: Finished difference Result 7874 states and 11160 transitions. [2023-04-02 07:14:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-02 07:14:21,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 104 [2023-04-02 07:14:21,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:21,123 INFO L225 Difference]: With dead ends: 7874 [2023-04-02 07:14:21,123 INFO L226 Difference]: Without dead ends: 4369 [2023-04-02 07:14:21,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=202, Invalid=728, Unknown=0, NotChecked=0, Total=930 [2023-04-02 07:14:21,133 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 2197 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 5581 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 7008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 5581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:21,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 2179 Invalid, 7008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1427 Valid, 5581 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-04-02 07:14:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2023-04-02 07:14:21,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 3041. [2023-04-02 07:14:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 1975 states have (on average 1.2248101265822784) internal successors, (2419), 2017 states have internal predecessors, (2419), 745 states have call successors, (745), 290 states have call predecessors, (745), 320 states have return successors, (914), 746 states have call predecessors, (914), 737 states have call successors, (914) [2023-04-02 07:14:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4078 transitions. [2023-04-02 07:14:21,442 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4078 transitions. Word has length 104 [2023-04-02 07:14:21,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:21,444 INFO L495 AbstractCegarLoop]: Abstraction has 3041 states and 4078 transitions. [2023-04-02 07:14:21,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 07:14:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4078 transitions. [2023-04-02 07:14:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-02 07:14:21,446 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:21,446 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:14:21,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 07:14:21,446 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:21,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:21,447 INFO L85 PathProgramCache]: Analyzing trace with hash -863033815, now seen corresponding path program 1 times [2023-04-02 07:14:21,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:21,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328088016] [2023-04-02 07:14:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:21,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 07:14:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 07:14:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 07:14:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:14:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:14:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:14:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:14:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:14:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328088016] [2023-04-02 07:14:21,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328088016] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:21,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:21,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 07:14:21,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818046966] [2023-04-02 07:14:21,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:21,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:14:21,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:21,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:14:21,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 07:14:21,729 INFO L87 Difference]: Start difference. First operand 3041 states and 4078 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 07:14:29,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:29,345 INFO L93 Difference]: Finished difference Result 7553 states and 10696 transitions. [2023-04-02 07:14:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 07:14:29,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2023-04-02 07:14:29,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:29,396 INFO L225 Difference]: With dead ends: 7553 [2023-04-02 07:14:29,397 INFO L226 Difference]: Without dead ends: 4538 [2023-04-02 07:14:29,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:14:29,421 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 1481 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 4128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 998 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:29,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 1106 Invalid, 4128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [998 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 07:14:29,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2023-04-02 07:14:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 3140. [2023-04-02 07:14:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 2054 states have (on average 1.236124634858812) internal successors, (2539), 2096 states have internal predecessors, (2539), 765 states have call successors, (765), 290 states have call predecessors, (765), 320 states have return successors, (950), 766 states have call predecessors, (950), 757 states have call successors, (950) [2023-04-02 07:14:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4254 transitions. [2023-04-02 07:14:29,847 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4254 transitions. Word has length 112 [2023-04-02 07:14:29,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:29,847 INFO L495 AbstractCegarLoop]: Abstraction has 3140 states and 4254 transitions. [2023-04-02 07:14:29,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 07:14:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4254 transitions. [2023-04-02 07:14:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-02 07:14:29,849 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:29,849 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:14:29,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 07:14:29,850 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:29,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:29,850 INFO L85 PathProgramCache]: Analyzing trace with hash -898238897, now seen corresponding path program 1 times [2023-04-02 07:14:29,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:29,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638473131] [2023-04-02 07:14:29,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:14:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:14:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:14:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 07:14:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:14:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:30,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:30,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638473131] [2023-04-02 07:14:30,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638473131] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:30,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:30,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 07:14:30,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308068737] [2023-04-02 07:14:30,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:30,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 07:14:30,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 07:14:30,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:14:30,526 INFO L87 Difference]: Start difference. First operand 3140 states and 4254 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:14:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:46,009 INFO L93 Difference]: Finished difference Result 6545 states and 9491 transitions. [2023-04-02 07:14:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 07:14:46,010 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102 [2023-04-02 07:14:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:46,028 INFO L225 Difference]: With dead ends: 6545 [2023-04-02 07:14:46,028 INFO L226 Difference]: Without dead ends: 4675 [2023-04-02 07:14:46,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2023-04-02 07:14:46,035 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1930 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 9450 mSolverCounterSat, 1389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 10839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1389 IncrementalHoareTripleChecker+Valid, 9450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:46,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 3330 Invalid, 10839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1389 Valid, 9450 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2023-04-02 07:14:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2023-04-02 07:14:46,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 3151. [2023-04-02 07:14:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 2062 states have (on average 1.2352085354025217) internal successors, (2547), 2104 states have internal predecessors, (2547), 765 states have call successors, (765), 290 states have call predecessors, (765), 323 states have return successors, (964), 769 states have call predecessors, (964), 757 states have call successors, (964) [2023-04-02 07:14:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4276 transitions. [2023-04-02 07:14:46,410 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4276 transitions. Word has length 102 [2023-04-02 07:14:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:46,410 INFO L495 AbstractCegarLoop]: Abstraction has 3151 states and 4276 transitions. [2023-04-02 07:14:46,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:14:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4276 transitions. [2023-04-02 07:14:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-02 07:14:46,413 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:46,413 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:14:46,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 07:14:46,413 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:46,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:46,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1461068112, now seen corresponding path program 1 times [2023-04-02 07:14:46,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:46,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516218614] [2023-04-02 07:14:46,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:46,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:14:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:14:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:14:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 07:14:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:14:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:46,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:46,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516218614] [2023-04-02 07:14:46,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516218614] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:46,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 07:14:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949383262] [2023-04-02 07:14:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:46,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 07:14:46,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 07:14:46,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:14:46,870 INFO L87 Difference]: Start difference. First operand 3151 states and 4276 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:15:02,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:02,545 INFO L93 Difference]: Finished difference Result 7718 states and 11114 transitions. [2023-04-02 07:15:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 07:15:02,546 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102 [2023-04-02 07:15:02,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:02,563 INFO L225 Difference]: With dead ends: 7718 [2023-04-02 07:15:02,563 INFO L226 Difference]: Without dead ends: 4597 [2023-04-02 07:15:02,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2023-04-02 07:15:02,571 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 1917 mSDsluCounter, 3654 mSDsCounter, 0 mSdLazyCounter, 10001 mSolverCounterSat, 1286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 4125 SdHoareTripleChecker+Invalid, 11287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1286 IncrementalHoareTripleChecker+Valid, 10001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:02,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 4125 Invalid, 11287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1286 Valid, 10001 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2023-04-02 07:15:02,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2023-04-02 07:15:02,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 3133. [2023-04-02 07:15:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 2050 states have (on average 1.2336585365853658) internal successors, (2529), 2089 states have internal predecessors, (2529), 763 states have call successors, (763), 290 states have call predecessors, (763), 319 states have return successors, (937), 764 states have call predecessors, (937), 755 states have call successors, (937) [2023-04-02 07:15:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4229 transitions. [2023-04-02 07:15:02,946 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4229 transitions. Word has length 102 [2023-04-02 07:15:02,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:02,947 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4229 transitions. [2023-04-02 07:15:02,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:15:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4229 transitions. [2023-04-02 07:15:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-04-02 07:15:02,950 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:02,950 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:02,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 07:15:02,951 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:02,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:02,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1084206379, now seen corresponding path program 1 times [2023-04-02 07:15:02,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479457990] [2023-04-02 07:15:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:02,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:15:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:15:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:15:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:15:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:15:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:15:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479457990] [2023-04-02 07:15:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479457990] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864829156] [2023-04-02 07:15:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:03,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:03,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:03,424 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 07:15:03,448 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 07:15:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 07:15:03,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:15:04,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:04,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864829156] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:04,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:04,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-04-02 07:15:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434197210] [2023-04-02 07:15:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:04,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:15:04,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:04,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:15:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-02 07:15:04,144 INFO L87 Difference]: Start difference. First operand 3133 states and 4229 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-02 07:15:08,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:08,399 INFO L93 Difference]: Finished difference Result 5260 states and 7404 transitions. [2023-04-02 07:15:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 07:15:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 104 [2023-04-02 07:15:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:08,413 INFO L225 Difference]: With dead ends: 5260 [2023-04-02 07:15:08,413 INFO L226 Difference]: Without dead ends: 5255 [2023-04-02 07:15:08,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-04-02 07:15:08,414 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 2061 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:08,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 1507 Invalid, 3286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-02 07:15:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2023-04-02 07:15:08,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 4655. [2023-04-02 07:15:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4655 states, 3052 states have (on average 1.2355832241153342) internal successors, (3771), 3099 states have internal predecessors, (3771), 1131 states have call successors, (1131), 422 states have call predecessors, (1131), 471 states have return successors, (1444), 1148 states have call predecessors, (1444), 1123 states have call successors, (1444) [2023-04-02 07:15:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 6346 transitions. [2023-04-02 07:15:08,918 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 6346 transitions. Word has length 104 [2023-04-02 07:15:08,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:08,919 INFO L495 AbstractCegarLoop]: Abstraction has 4655 states and 6346 transitions. [2023-04-02 07:15:08,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 5 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-02 07:15:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 6346 transitions. [2023-04-02 07:15:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 07:15:08,921 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:08,921 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:08,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 07:15:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:09,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:09,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1997605184, now seen corresponding path program 1 times [2023-04-02 07:15:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676313659] [2023-04-02 07:15:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:15:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:15:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:15:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:15:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 07:15:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:15:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 07:15:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 07:15:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 07:15:09,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:09,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676313659] [2023-04-02 07:15:09,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676313659] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:09,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849316368] [2023-04-02 07:15:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:09,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:09,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:09,754 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 07:15:09,756 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 07:15:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:10,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 07:15:10,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-04-02 07:15:10,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:10,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849316368] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:10,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:10,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-04-02 07:15:10,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920463270] [2023-04-02 07:15:10,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:10,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 07:15:10,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:10,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 07:15:10,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:15:10,323 INFO L87 Difference]: Start difference. First operand 4655 states and 6346 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 07:15:10,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:10,854 INFO L93 Difference]: Finished difference Result 8210 states and 11375 transitions. [2023-04-02 07:15:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 07:15:10,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 148 [2023-04-02 07:15:10,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:10,867 INFO L225 Difference]: With dead ends: 8210 [2023-04-02 07:15:10,867 INFO L226 Difference]: Without dead ends: 4826 [2023-04-02 07:15:10,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:15:10,877 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 37 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:10,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1651 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:15:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2023-04-02 07:15:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4661. [2023-04-02 07:15:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4661 states, 3058 states have (on average 1.2351209941138) internal successors, (3777), 3105 states have internal predecessors, (3777), 1131 states have call successors, (1131), 422 states have call predecessors, (1131), 471 states have return successors, (1444), 1148 states have call predecessors, (1444), 1123 states have call successors, (1444) [2023-04-02 07:15:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6352 transitions. [2023-04-02 07:15:11,395 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 6352 transitions. Word has length 148 [2023-04-02 07:15:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:11,396 INFO L495 AbstractCegarLoop]: Abstraction has 4661 states and 6352 transitions. [2023-04-02 07:15:11,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 07:15:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 6352 transitions. [2023-04-02 07:15:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-02 07:15:11,398 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:11,398 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:11,409 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 07:15:11,608 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,SelfDestructingSolverStorable9 [2023-04-02 07:15:11,609 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:11,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:11,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1000671293, now seen corresponding path program 1 times [2023-04-02 07:15:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049557246] [2023-04-02 07:15:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:15:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:15:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:15:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:15:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:15:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:15:12,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049557246] [2023-04-02 07:15:12,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049557246] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043609404] [2023-04-02 07:15:12,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:12,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:12,155 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 07:15:12,155 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 07:15:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:12,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-02 07:15:12,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:15:12,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:12,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043609404] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:12,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:12,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2023-04-02 07:15:12,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707314978] [2023-04-02 07:15:12,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:12,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 07:15:12,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:12,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 07:15:12,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:15:12,782 INFO L87 Difference]: Start difference. First operand 4661 states and 6352 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 07:15:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:13,293 INFO L93 Difference]: Finished difference Result 7918 states and 10891 transitions. [2023-04-02 07:15:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 07:15:13,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2023-04-02 07:15:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:13,306 INFO L225 Difference]: With dead ends: 7918 [2023-04-02 07:15:13,306 INFO L226 Difference]: Without dead ends: 4528 [2023-04-02 07:15:13,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:15:13,318 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 5 mSDsluCounter, 4027 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:13,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4837 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:15:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4528 states. [2023-04-02 07:15:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4528 to 4524. [2023-04-02 07:15:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 2966 states have (on average 1.2322993931220498) internal successors, (3655), 3008 states have internal predecessors, (3655), 1091 states have call successors, (1091), 417 states have call predecessors, (1091), 466 states have return successors, (1400), 1111 states have call predecessors, (1400), 1083 states have call successors, (1400) [2023-04-02 07:15:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 6146 transitions. [2023-04-02 07:15:13,820 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 6146 transitions. Word has length 114 [2023-04-02 07:15:13,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:13,820 INFO L495 AbstractCegarLoop]: Abstraction has 4524 states and 6146 transitions. [2023-04-02 07:15:13,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 07:15:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 6146 transitions. [2023-04-02 07:15:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-02 07:15:13,822 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:13,822 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:13,851 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 07:15:14,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:14,030 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:14,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash 745934748, now seen corresponding path program 1 times [2023-04-02 07:15:14,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:14,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857280895] [2023-04-02 07:15:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:15:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:15:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:15:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:15:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:15:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:15:14,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857280895] [2023-04-02 07:15:14,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857280895] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:14,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742213804] [2023-04-02 07:15:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:14,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:14,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:14,554 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 07:15:14,572 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 07:15:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:15,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 07:15:15,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:15:15,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:15:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:15:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742213804] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:15,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 07:15:15,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 6] total 18 [2023-04-02 07:15:15,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205562640] [2023-04-02 07:15:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:15,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:15:15,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:15:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:15:15,556 INFO L87 Difference]: Start difference. First operand 4524 states and 6146 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-02 07:15:17,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:17,443 INFO L93 Difference]: Finished difference Result 6915 states and 9541 transitions. [2023-04-02 07:15:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:15:17,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 114 [2023-04-02 07:15:17,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:17,493 INFO L225 Difference]: With dead ends: 6915 [2023-04-02 07:15:17,493 INFO L226 Difference]: Without dead ends: 6912 [2023-04-02 07:15:17,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:15:17,513 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 2405 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:17,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1620 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 07:15:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6912 states. [2023-04-02 07:15:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6876. [2023-04-02 07:15:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6876 states, 4516 states have (on average 1.2351638618246235) internal successors, (5578), 4573 states have internal predecessors, (5578), 1663 states have call successors, (1663), 616 states have call predecessors, (1663), 696 states have return successors, (2259), 1706 states have call predecessors, (2259), 1655 states have call successors, (2259) [2023-04-02 07:15:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6876 states to 6876 states and 9500 transitions. [2023-04-02 07:15:18,331 INFO L78 Accepts]: Start accepts. Automaton has 6876 states and 9500 transitions. Word has length 114 [2023-04-02 07:15:18,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:18,331 INFO L495 AbstractCegarLoop]: Abstraction has 6876 states and 9500 transitions. [2023-04-02 07:15:18,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-02 07:15:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6876 states and 9500 transitions. [2023-04-02 07:15:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-02 07:15:18,334 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:18,334 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:18,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-02 07:15:18,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:18,543 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:18,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:18,544 INFO L85 PathProgramCache]: Analyzing trace with hash -452756131, now seen corresponding path program 1 times [2023-04-02 07:15:18,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:18,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546780242] [2023-04-02 07:15:18,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:18,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:15:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:15:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:15:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:15:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:15:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 07:15:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 07:15:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:15:18,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:18,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546780242] [2023-04-02 07:15:18,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546780242] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:18,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:18,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:15:18,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516785163] [2023-04-02 07:15:18,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:18,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:15:18,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:18,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:15:18,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:15:18,958 INFO L87 Difference]: Start difference. First operand 6876 states and 9500 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 07:15:27,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:27,941 INFO L93 Difference]: Finished difference Result 16111 states and 23814 transitions. [2023-04-02 07:15:27,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 07:15:27,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 127 [2023-04-02 07:15:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:27,996 INFO L225 Difference]: With dead ends: 16111 [2023-04-02 07:15:27,996 INFO L226 Difference]: Without dead ends: 9265 [2023-04-02 07:15:28,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:15:28,020 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 2108 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 3956 mSolverCounterSat, 1134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 5090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1134 IncrementalHoareTripleChecker+Valid, 3956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:28,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 2211 Invalid, 5090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1134 Valid, 3956 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-04-02 07:15:28,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9265 states. [2023-04-02 07:15:28,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9265 to 6484. [2023-04-02 07:15:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6484 states, 4262 states have (on average 1.2397935241670577) internal successors, (5284), 4338 states have internal predecessors, (5284), 1541 states have call successors, (1541), 612 states have call predecessors, (1541), 680 states have return successors, (2002), 1553 states have call predecessors, (2002), 1529 states have call successors, (2002) [2023-04-02 07:15:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 8827 transitions. [2023-04-02 07:15:28,854 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 8827 transitions. Word has length 127 [2023-04-02 07:15:28,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:28,854 INFO L495 AbstractCegarLoop]: Abstraction has 6484 states and 8827 transitions. [2023-04-02 07:15:28,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 07:15:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 8827 transitions. [2023-04-02 07:15:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 07:15:28,858 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:28,858 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:28,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 07:15:28,858 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:28,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash 973098269, now seen corresponding path program 1 times [2023-04-02 07:15:28,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:28,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607093993] [2023-04-02 07:15:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:28,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 07:15:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 07:15:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:15:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:15:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 07:15:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 07:15:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 07:15:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 07:15:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 07:15:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:15:29,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:29,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607093993] [2023-04-02 07:15:29,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607093993] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:29,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:29,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 07:15:29,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122847328] [2023-04-02 07:15:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:29,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:15:29,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:29,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:15:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:15:29,338 INFO L87 Difference]: Start difference. First operand 6484 states and 8827 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 07:15:40,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:40,228 INFO L93 Difference]: Finished difference Result 12758 states and 18383 transitions. [2023-04-02 07:15:40,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 07:15:40,228 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 140 [2023-04-02 07:15:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:40,297 INFO L225 Difference]: With dead ends: 12758 [2023-04-02 07:15:40,297 INFO L226 Difference]: Without dead ends: 6304 [2023-04-02 07:15:40,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2023-04-02 07:15:40,372 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2235 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 1546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 6409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1546 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:40,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 2421 Invalid, 6409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1546 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-04-02 07:15:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2023-04-02 07:15:40,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 4508. [2023-04-02 07:15:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 2958 states have (on average 1.2288708586883028) internal successors, (3635), 3004 states have internal predecessors, (3635), 1042 states have call successors, (1042), 461 states have call predecessors, (1042), 507 states have return successors, (1320), 1058 states have call predecessors, (1320), 1033 states have call successors, (1320) [2023-04-02 07:15:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 5997 transitions. [2023-04-02 07:15:40,930 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 5997 transitions. Word has length 140 [2023-04-02 07:15:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:40,931 INFO L495 AbstractCegarLoop]: Abstraction has 4508 states and 5997 transitions. [2023-04-02 07:15:40,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 07:15:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 5997 transitions. [2023-04-02 07:15:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-02 07:15:40,934 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:40,934 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:15:40,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 07:15:40,934 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:40,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash -224369128, now seen corresponding path program 1 times [2023-04-02 07:15:40,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:40,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932641348] [2023-04-02 07:15:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:15:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:15:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:15:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:15:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:15:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:15:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 07:15:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:15:41,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:41,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932641348] [2023-04-02 07:15:41,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932641348] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:15:41,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369238060] [2023-04-02 07:15:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:15:41,662 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 07:15:41,664 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 07:15:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:42,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-02 07:15:42,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-02 07:15:42,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369238060] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:42,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:42,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 23 [2023-04-02 07:15:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309542185] [2023-04-02 07:15:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:15:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:15:42,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2023-04-02 07:15:42,333 INFO L87 Difference]: Start difference. First operand 4508 states and 5997 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 5 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-02 07:15:47,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:47,127 INFO L93 Difference]: Finished difference Result 10951 states and 15213 transitions. [2023-04-02 07:15:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 07:15:47,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 5 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 129 [2023-04-02 07:15:47,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:47,167 INFO L225 Difference]: With dead ends: 10951 [2023-04-02 07:15:47,167 INFO L226 Difference]: Without dead ends: 6957 [2023-04-02 07:15:47,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2023-04-02 07:15:47,179 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 1316 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 2671 mSolverCounterSat, 587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 3258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 587 IncrementalHoareTripleChecker+Valid, 2671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:47,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 2036 Invalid, 3258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [587 Valid, 2671 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-04-02 07:15:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6957 states. [2023-04-02 07:15:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6957 to 6025. [2023-04-02 07:15:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6025 states, 3938 states have (on average 1.2260030472320975) internal successors, (4828), 4011 states have internal predecessors, (4828), 1389 states have call successors, (1389), 641 states have call predecessors, (1389), 697 states have return successors, (1775), 1394 states have call predecessors, (1775), 1379 states have call successors, (1775) [2023-04-02 07:15:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6025 states to 6025 states and 7992 transitions. [2023-04-02 07:15:47,997 INFO L78 Accepts]: Start accepts. Automaton has 6025 states and 7992 transitions. Word has length 129 [2023-04-02 07:15:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:47,998 INFO L495 AbstractCegarLoop]: Abstraction has 6025 states and 7992 transitions. [2023-04-02 07:15:47,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 5 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-02 07:15:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6025 states and 7992 transitions. [2023-04-02 07:15:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-02 07:15:48,001 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:48,001 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2023-04-02 07:15:48,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-02 07:15:48,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-02 07:15:48,214 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:48,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:48,214 INFO L85 PathProgramCache]: Analyzing trace with hash -21016499, now seen corresponding path program 1 times [2023-04-02 07:15:48,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:48,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176120421] [2023-04-02 07:15:48,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:48,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:15:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:15:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:15:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:15:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:15:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:15:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:15:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:15:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:15:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:15:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:15:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 07:15:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:48,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176120421] [2023-04-02 07:15:48,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176120421] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:48,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:48,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 07:15:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669151776] [2023-04-02 07:15:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:48,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 07:15:48,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 07:15:48,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:15:48,819 INFO L87 Difference]: Start difference. First operand 6025 states and 7992 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (27), 10 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:16:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:00,523 INFO L93 Difference]: Finished difference Result 11533 states and 16179 transitions. [2023-04-02 07:16:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 07:16:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (27), 10 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 166 [2023-04-02 07:16:00,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:00,568 INFO L225 Difference]: With dead ends: 11533 [2023-04-02 07:16:00,568 INFO L226 Difference]: Without dead ends: 7739 [2023-04-02 07:16:00,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2023-04-02 07:16:00,583 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 1966 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 6656 mSolverCounterSat, 1448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 3116 SdHoareTripleChecker+Invalid, 8104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 6656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:00,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 3116 Invalid, 8104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1448 Valid, 6656 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 07:16:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7739 states. [2023-04-02 07:16:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7739 to 6055. [2023-04-02 07:16:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6055 states, 3960 states have (on average 1.226010101010101) internal successors, (4855), 4032 states have internal predecessors, (4855), 1396 states have call successors, (1396), 641 states have call predecessors, (1396), 698 states have return successors, (1788), 1403 states have call predecessors, (1788), 1386 states have call successors, (1788) [2023-04-02 07:16:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6055 states to 6055 states and 8039 transitions. [2023-04-02 07:16:01,467 INFO L78 Accepts]: Start accepts. Automaton has 6055 states and 8039 transitions. Word has length 166 [2023-04-02 07:16:01,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:01,467 INFO L495 AbstractCegarLoop]: Abstraction has 6055 states and 8039 transitions. [2023-04-02 07:16:01,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (27), 10 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:16:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6055 states and 8039 transitions. [2023-04-02 07:16:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-02 07:16:01,470 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:01,470 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:16:01,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 07:16:01,470 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:01,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1742426538, now seen corresponding path program 1 times [2023-04-02 07:16:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568102195] [2023-04-02 07:16:01,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:01,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:16:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:16:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:16:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:16:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:16:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:16:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:16:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:16:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 07:16:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:16:01,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:16:01,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568102195] [2023-04-02 07:16:01,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568102195] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:16:01,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:16:01,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 07:16:01,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621940794] [2023-04-02 07:16:01,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:16:01,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 07:16:01,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:01,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 07:16:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:16:01,993 INFO L87 Difference]: Start difference. First operand 6055 states and 8039 transitions. Second operand has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 07:16:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:17,544 INFO L93 Difference]: Finished difference Result 13290 states and 18494 transitions. [2023-04-02 07:16:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 07:16:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2023-04-02 07:16:17,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:17,566 INFO L225 Difference]: With dead ends: 13290 [2023-04-02 07:16:17,566 INFO L226 Difference]: Without dead ends: 7737 [2023-04-02 07:16:17,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=898, Unknown=0, NotChecked=0, Total=1056 [2023-04-02 07:16:17,583 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 1660 mSDsluCounter, 2898 mSDsCounter, 0 mSdLazyCounter, 8816 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 9685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 8816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:17,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 3213 Invalid, 9685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [869 Valid, 8816 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2023-04-02 07:16:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7737 states. [2023-04-02 07:16:18,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7737 to 6027. [2023-04-02 07:16:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6027 states, 3942 states have (on average 1.226027397260274) internal successors, (4833), 4016 states have internal predecessors, (4833), 1388 states have call successors, (1388), 641 states have call predecessors, (1388), 696 states have return successors, (1770), 1391 states have call predecessors, (1770), 1378 states have call successors, (1770) [2023-04-02 07:16:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 7991 transitions. [2023-04-02 07:16:18,417 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 7991 transitions. Word has length 130 [2023-04-02 07:16:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:18,418 INFO L495 AbstractCegarLoop]: Abstraction has 6027 states and 7991 transitions. [2023-04-02 07:16:18,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 07:16:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 7991 transitions. [2023-04-02 07:16:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 07:16:18,420 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:18,420 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:16:18,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 07:16:18,421 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:18,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2050927731, now seen corresponding path program 1 times [2023-04-02 07:16:18,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:18,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447348534] [2023-04-02 07:16:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:16:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:16:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:16:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:16:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:16:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:16:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:16:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:16:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:16:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 07:16:18,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:16:18,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447348534] [2023-04-02 07:16:18,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447348534] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:16:18,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:16:18,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 07:16:18,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49678449] [2023-04-02 07:16:18,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:16:18,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 07:16:18,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:18,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 07:16:18,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:16:18,983 INFO L87 Difference]: Start difference. First operand 6027 states and 7991 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 07:16:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:31,943 INFO L93 Difference]: Finished difference Result 11846 states and 16285 transitions. [2023-04-02 07:16:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 07:16:31,944 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) Word has length 148 [2023-04-02 07:16:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:32,025 INFO L225 Difference]: With dead ends: 11846 [2023-04-02 07:16:32,026 INFO L226 Difference]: Without dead ends: 7662 [2023-04-02 07:16:32,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2023-04-02 07:16:32,034 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1204 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 6967 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 7854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 6967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:32,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 2774 Invalid, 7854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 6967 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-04-02 07:16:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7662 states. [2023-04-02 07:16:32,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7662 to 6117. [2023-04-02 07:16:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6117 states, 4002 states have (on average 1.22263868065967) internal successors, (4893), 4066 states have internal predecessors, (4893), 1398 states have call successors, (1398), 641 states have call predecessors, (1398), 716 states have return successors, (1800), 1431 states have call predecessors, (1800), 1388 states have call successors, (1800) [2023-04-02 07:16:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8091 transitions. [2023-04-02 07:16:32,905 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8091 transitions. Word has length 148 [2023-04-02 07:16:32,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:32,906 INFO L495 AbstractCegarLoop]: Abstraction has 6117 states and 8091 transitions. [2023-04-02 07:16:32,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (23), 6 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 07:16:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8091 transitions. [2023-04-02 07:16:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 07:16:32,909 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:32,909 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:16:32,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 07:16:32,909 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:32,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:32,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2035341262, now seen corresponding path program 1 times [2023-04-02 07:16:32,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:32,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46151985] [2023-04-02 07:16:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:16:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:16:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:16:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:16:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:16:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:16:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:16:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:16:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:16:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 07:16:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:16:33,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46151985] [2023-04-02 07:16:33,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46151985] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:16:33,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:16:33,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 07:16:33,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264720289] [2023-04-02 07:16:33,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:16:33,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 07:16:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:33,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 07:16:33,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:16:33,270 INFO L87 Difference]: Start difference. First operand 6117 states and 8091 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2023-04-02 07:16:40,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:40,812 INFO L93 Difference]: Finished difference Result 13779 states and 18869 transitions. [2023-04-02 07:16:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 07:16:40,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-04-02 07:16:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:40,845 INFO L225 Difference]: With dead ends: 13779 [2023-04-02 07:16:40,846 INFO L226 Difference]: Without dead ends: 7692 [2023-04-02 07:16:40,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:16:40,861 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1445 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:40,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 984 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1157 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-02 07:16:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2023-04-02 07:16:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 6137. [2023-04-02 07:16:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 4022 states have (on average 1.221531576330184) internal successors, (4913), 4086 states have internal predecessors, (4913), 1398 states have call successors, (1398), 641 states have call predecessors, (1398), 716 states have return successors, (1800), 1431 states have call predecessors, (1800), 1388 states have call successors, (1800) [2023-04-02 07:16:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 8111 transitions. [2023-04-02 07:16:42,017 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 8111 transitions. Word has length 148 [2023-04-02 07:16:42,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:42,019 INFO L495 AbstractCegarLoop]: Abstraction has 6137 states and 8111 transitions. [2023-04-02 07:16:42,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2023-04-02 07:16:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 8111 transitions. [2023-04-02 07:16:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 07:16:42,022 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:42,022 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:16:42,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 07:16:42,022 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:42,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash -28726117, now seen corresponding path program 1 times [2023-04-02 07:16:42,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:42,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006484766] [2023-04-02 07:16:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:16:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:16:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:16:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:16:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:16:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:16:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:16:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:16:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:16:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 07:16:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:16:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 07:16:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:16:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:16:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:16:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 07:16:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 07:16:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:16:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 07:16:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:16:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:16:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 07:16:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:16:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006484766] [2023-04-02 07:16:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006484766] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:16:43,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:16:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 07:16:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634959194] [2023-04-02 07:16:43,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:16:43,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 07:16:43,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:16:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 07:16:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:16:43,018 INFO L87 Difference]: Start difference. First operand 6137 states and 8111 transitions. Second operand has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (33), 9 states have call predecessors, (33), 5 states have return successors, (30), 5 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 07:16:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:16:58,812 INFO L93 Difference]: Finished difference Result 12169 states and 16904 transitions. [2023-04-02 07:16:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 07:16:58,812 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (33), 9 states have call predecessors, (33), 5 states have return successors, (30), 5 states have call predecessors, (30), 3 states have call successors, (30) Word has length 185 [2023-04-02 07:16:58,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:16:58,837 INFO L225 Difference]: With dead ends: 12169 [2023-04-02 07:16:58,838 INFO L226 Difference]: Without dead ends: 8054 [2023-04-02 07:16:58,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2023-04-02 07:16:58,931 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 1350 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 9115 mSolverCounterSat, 901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 10016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 901 IncrementalHoareTripleChecker+Valid, 9115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:16:58,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 4616 Invalid, 10016 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [901 Valid, 9115 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2023-04-02 07:16:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8054 states. [2023-04-02 07:16:59,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8054 to 6145. [2023-04-02 07:16:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6145 states, 4029 states have (on average 1.2211466865227103) internal successors, (4920), 4091 states have internal predecessors, (4920), 1398 states have call successors, (1398), 641 states have call predecessors, (1398), 717 states have return successors, (1813), 1434 states have call predecessors, (1813), 1388 states have call successors, (1813) [2023-04-02 07:16:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6145 states to 6145 states and 8131 transitions. [2023-04-02 07:16:59,875 INFO L78 Accepts]: Start accepts. Automaton has 6145 states and 8131 transitions. Word has length 185 [2023-04-02 07:16:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:16:59,876 INFO L495 AbstractCegarLoop]: Abstraction has 6145 states and 8131 transitions. [2023-04-02 07:16:59,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (33), 9 states have call predecessors, (33), 5 states have return successors, (30), 5 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 07:16:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 8131 transitions. [2023-04-02 07:16:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 07:16:59,878 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:16:59,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:16:59,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-02 07:16:59,880 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:16:59,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:16:59,880 INFO L85 PathProgramCache]: Analyzing trace with hash -929697504, now seen corresponding path program 1 times [2023-04-02 07:16:59,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:16:59,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846398336] [2023-04-02 07:16:59,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:16:59,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:16:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 07:17:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 07:17:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:17:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 07:17:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:17:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 07:17:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:17:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:17:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 07:17:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 07:17:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 07:17:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 07:17:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:00,481 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 07:17:00,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:00,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846398336] [2023-04-02 07:17:00,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846398336] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:00,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:17:00,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 07:17:00,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151499848] [2023-04-02 07:17:00,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:00,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 07:17:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:00,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 07:17:00,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:17:00,482 INFO L87 Difference]: Start difference. First operand 6145 states and 8131 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:17:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:13,109 INFO L93 Difference]: Finished difference Result 12690 states and 17380 transitions. [2023-04-02 07:17:13,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 07:17:13,109 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 149 [2023-04-02 07:17:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:13,135 INFO L225 Difference]: With dead ends: 12690 [2023-04-02 07:17:13,135 INFO L226 Difference]: Without dead ends: 7058 [2023-04-02 07:17:13,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:17:13,152 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 2010 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 5290 mSolverCounterSat, 1539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 6829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1539 IncrementalHoareTripleChecker+Valid, 5290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 2003 Invalid, 6829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1539 Valid, 5290 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-04-02 07:17:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2023-04-02 07:17:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 5946. [2023-04-02 07:17:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 3892 states have (on average 1.2153134635149023) internal successors, (4730), 3952 states have internal predecessors, (4730), 1343 states have call successors, (1343), 641 states have call predecessors, (1343), 710 states have return successors, (1702), 1374 states have call predecessors, (1702), 1333 states have call successors, (1702) [2023-04-02 07:17:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 7775 transitions. [2023-04-02 07:17:14,091 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 7775 transitions. Word has length 149 [2023-04-02 07:17:14,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:14,091 INFO L495 AbstractCegarLoop]: Abstraction has 5946 states and 7775 transitions. [2023-04-02 07:17:14,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (28), 8 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:17:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 7775 transitions. [2023-04-02 07:17:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 07:17:14,093 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:14,094 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:17:14,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-04-02 07:17:14,094 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:14,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1311871503, now seen corresponding path program 1 times [2023-04-02 07:17:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707864457] [2023-04-02 07:17:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:17:14,341 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 1 [2023-04-02 07:17:14,443 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 6 [2023-04-02 07:17:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:17:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:17:14,482 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 2 [2023-04-02 07:17:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:17:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:17:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:17:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 07:17:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:17:14,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707864457] [2023-04-02 07:17:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707864457] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:17:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:17:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473627505] [2023-04-02 07:17:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:14,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:17:14,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:14,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:17:14,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:17:14,507 INFO L87 Difference]: Start difference. First operand 5946 states and 7775 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 07:17:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:22,377 INFO L93 Difference]: Finished difference Result 10966 states and 14806 transitions. [2023-04-02 07:17:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:17:22,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 138 [2023-04-02 07:17:22,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:22,396 INFO L225 Difference]: With dead ends: 10966 [2023-04-02 07:17:22,396 INFO L226 Difference]: Without dead ends: 7293 [2023-04-02 07:17:22,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:17:22,406 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 1959 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 2838 mSolverCounterSat, 1536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1536 IncrementalHoareTripleChecker+Valid, 2838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:22,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 1181 Invalid, 4374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1536 Valid, 2838 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 07:17:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2023-04-02 07:17:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 6164. [2023-04-02 07:17:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6164 states, 4040 states have (on average 1.2190594059405941) internal successors, (4925), 4101 states have internal predecessors, (4925), 1407 states have call successors, (1407), 641 states have call predecessors, (1407), 716 states have return successors, (1794), 1443 states have call predecessors, (1794), 1397 states have call successors, (1794) [2023-04-02 07:17:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6164 states to 6164 states and 8126 transitions. [2023-04-02 07:17:23,342 INFO L78 Accepts]: Start accepts. Automaton has 6164 states and 8126 transitions. Word has length 138 [2023-04-02 07:17:23,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:23,343 INFO L495 AbstractCegarLoop]: Abstraction has 6164 states and 8126 transitions. [2023-04-02 07:17:23,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-04-02 07:17:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 6164 states and 8126 transitions. [2023-04-02 07:17:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-02 07:17:23,345 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:23,345 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:17:23,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-04-02 07:17:23,346 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:23,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:23,346 INFO L85 PathProgramCache]: Analyzing trace with hash -915857779, now seen corresponding path program 1 times [2023-04-02 07:17:23,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:23,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805333098] [2023-04-02 07:17:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:17:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:17:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:17:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 07:17:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 07:17:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:17:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:17:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 07:17:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805333098] [2023-04-02 07:17:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805333098] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:23,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:17:23,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 07:17:23,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821346528] [2023-04-02 07:17:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:23,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 07:17:23,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:23,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 07:17:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:17:23,981 INFO L87 Difference]: Start difference. First operand 6164 states and 8126 transitions. Second operand has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-02 07:17:40,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:40,239 INFO L93 Difference]: Finished difference Result 12186 states and 16371 transitions. [2023-04-02 07:17:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 07:17:40,239 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) Word has length 139 [2023-04-02 07:17:40,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:40,259 INFO L225 Difference]: With dead ends: 12186 [2023-04-02 07:17:40,259 INFO L226 Difference]: Without dead ends: 7032 [2023-04-02 07:17:40,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=310, Invalid=1670, Unknown=0, NotChecked=0, Total=1980 [2023-04-02 07:17:40,273 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 2837 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 8623 mSolverCounterSat, 2046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 10669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2046 IncrementalHoareTripleChecker+Valid, 8623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:40,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 2790 Invalid, 10669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2046 Valid, 8623 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2023-04-02 07:17:40,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7032 states. [2023-04-02 07:17:41,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7032 to 5897. [2023-04-02 07:17:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5897 states, 3862 states have (on average 1.2133609528741585) internal successors, (4686), 3919 states have internal predecessors, (4686), 1331 states have call successors, (1331), 640 states have call predecessors, (1331), 703 states have return successors, (1632), 1359 states have call predecessors, (1632), 1320 states have call successors, (1632) [2023-04-02 07:17:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 5897 states and 7649 transitions. [2023-04-02 07:17:41,255 INFO L78 Accepts]: Start accepts. Automaton has 5897 states and 7649 transitions. Word has length 139 [2023-04-02 07:17:41,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:41,255 INFO L495 AbstractCegarLoop]: Abstraction has 5897 states and 7649 transitions. [2023-04-02 07:17:41,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (22), 9 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-02 07:17:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 7649 transitions. [2023-04-02 07:17:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-02 07:17:41,258 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:41,258 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:17:41,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-04-02 07:17:41,258 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:41,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1614801535, now seen corresponding path program 1 times [2023-04-02 07:17:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:41,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098767256] [2023-04-02 07:17:41,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:17:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:17:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:17:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:17:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:17:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:17:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:17:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 07:17:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:17:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:17:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 07:17:41,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098767256] [2023-04-02 07:17:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098767256] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:17:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506245449] [2023-04-02 07:17:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:41,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:41,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:17:41,607 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 07:17:41,608 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 07:17:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:42,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 07:17:42,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:17:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 07:17:42,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:17:42,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506245449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:42,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:17:42,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-02 07:17:42,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341264216] [2023-04-02 07:17:42,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:42,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:17:42,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:42,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:17:42,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:17:42,381 INFO L87 Difference]: Start difference. First operand 5897 states and 7649 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 07:17:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:17:43,362 INFO L93 Difference]: Finished difference Result 11876 states and 15385 transitions. [2023-04-02 07:17:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:17:43,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 151 [2023-04-02 07:17:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:17:43,384 INFO L225 Difference]: With dead ends: 11876 [2023-04-02 07:17:43,384 INFO L226 Difference]: Without dead ends: 5989 [2023-04-02 07:17:43,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:17:43,399 INFO L413 NwaCegarLoop]: 817 mSDtfsCounter, 15 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:17:43,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3248 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:17:43,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5989 states. [2023-04-02 07:17:44,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5989 to 5927. [2023-04-02 07:17:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 3880 states have (on average 1.2118556701030927) internal successors, (4702), 3942 states have internal predecessors, (4702), 1332 states have call successors, (1332), 643 states have call predecessors, (1332), 714 states have return successors, (1641), 1363 states have call predecessors, (1641), 1321 states have call successors, (1641) [2023-04-02 07:17:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 7675 transitions. [2023-04-02 07:17:44,416 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 7675 transitions. Word has length 151 [2023-04-02 07:17:44,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:17:44,416 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 7675 transitions. [2023-04-02 07:17:44,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 07:17:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 7675 transitions. [2023-04-02 07:17:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-02 07:17:44,418 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:17:44,418 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 07:17:44,430 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 07:17:44,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:17:44,630 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:17:44,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:17:44,630 INFO L85 PathProgramCache]: Analyzing trace with hash 690282610, now seen corresponding path program 1 times [2023-04-02 07:17:44,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:17:44,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753690915] [2023-04-02 07:17:44,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:17:44,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:17:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:17:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:17:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:17:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:17:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 07:17:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 07:17:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:17:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 07:17:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 07:17:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 07:17:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 07:17:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:17:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:17:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 07:17:45,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:17:45,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753690915] [2023-04-02 07:17:45,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753690915] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:17:45,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:17:45,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 07:17:45,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095085930] [2023-04-02 07:17:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:17:45,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 07:17:45,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:17:45,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 07:17:45,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:17:45,350 INFO L87 Difference]: Start difference. First operand 5927 states and 7675 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19)