/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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:23:51,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:23:51,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:23:51,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:23:51,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:23:51,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:23:51,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:23:51,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:23:51,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:23:51,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:23:51,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:23:51,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:23:51,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:23:51,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:23:51,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:23:51,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:23:51,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:23:51,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:23:51,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:23:51,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:23:51,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:23:51,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:23:51,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:23:51,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:23:51,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:23:51,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:23:51,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:23:51,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:23:51,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:23:51,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:23:51,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:23:51,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:23:51,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:23:51,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:23:51,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:23:51,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:23:51,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:23:51,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:23:51,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:23:51,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:23:51,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:23:51,268 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 08:23:51,303 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:23:51,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:23:51,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:23:51,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:23:51,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:23:51,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:23:51,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:23:51,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:23:51,306 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:23:51,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:23:51,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:23:51,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:23:51,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:23:51,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:23:51,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:23:51,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:23:51,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:23:51,310 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:23:51,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:23:51,311 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:23:51,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:23:51,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:23:51,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:23:51,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:23:51,586 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:23:51,586 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:23:51,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-04-02 08:23:52,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:23:53,383 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:23:53,383 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-04-02 08:23:53,430 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a3582e2/0ba592a2fccb46ee83e0f980c55d593d/FLAG2d20d318e [2023-04-02 08:23:53,448 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a3582e2/0ba592a2fccb46ee83e0f980c55d593d [2023-04-02 08:23:53,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:23:53,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:23:53,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:23:53,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:23:53,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:23:53,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:23:53" (1/1) ... [2023-04-02 08:23:53,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726e450a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:53, skipping insertion in model container [2023-04-02 08:23:53,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:23:53" (1/1) ... [2023-04-02 08:23:53,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:23:53,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:23:55,467 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2023-04-02 08:23:55,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:23:55,672 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:23:56,081 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2023-04-02 08:23:56,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:23:56,136 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:23:56,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56 WrapperNode [2023-04-02 08:23:56,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:23:56,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:23:56,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:23:56,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:23:56,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:23:56,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:23:56,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:23:56,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:23:56,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (1/1) ... [2023-04-02 08:23:56,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:23:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:23:56,447 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 08:23:56,467 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 08:23:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:23:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:23:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-02 08:23:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-02 08:23:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-02 08:23:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-02 08:23:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-02 08:23:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-02 08:23:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2023-04-02 08:23:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2023-04-02 08:23:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2023-04-02 08:23:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2023-04-02 08:23:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2023-04-02 08:23:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2023-04-02 08:23:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2023-04-02 08:23:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2023-04-02 08:23:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2023-04-02 08:23:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:23:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-02 08:23:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-02 08:23:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2023-04-02 08:23:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:23:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:23:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:23:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:23:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-04-02 08:23:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-02 08:23:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-04-02 08:23:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 08:23:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 08:23:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:23:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 08:23:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 08:23:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-02 08:23:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2023-04-02 08:23:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 08:23:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:23:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 08:23:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:23:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:23:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:23:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-02 08:23:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-02 08:23:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2023-04-02 08:23:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2023-04-02 08:23:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2023-04-02 08:23:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2023-04-02 08:23:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 08:23:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 08:23:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 08:23:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 08:23:57,243 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:23:57,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:24:03,404 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:24:03,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:24:03,419 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:24:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:24:03 BoogieIcfgContainer [2023-04-02 08:24:03,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:24:03,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:24:03,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:24:03,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:24:03,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:23:53" (1/3) ... [2023-04-02 08:24:03,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b9d596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:24:03, skipping insertion in model container [2023-04-02 08:24:03,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:23:56" (2/3) ... [2023-04-02 08:24:03,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b9d596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:24:03, skipping insertion in model container [2023-04-02 08:24:03,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:24:03" (3/3) ... [2023-04-02 08:24:03,429 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-04-02 08:24:03,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:24:03,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:24:03,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:24:03,518 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;@afb16f2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:24:03,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:24:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 1759 states, 1167 states have (on average 1.300771208226221) internal successors, (1518), 1197 states have internal predecessors, (1518), 408 states have call successors, (408), 155 states have call predecessors, (408), 155 states have return successors, (408), 400 states have call predecessors, (408), 408 states have call successors, (408) [2023-04-02 08:24:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-04-02 08:24:03,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:24:03,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:24:03,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:24:03,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:24:03,537 INFO L85 PathProgramCache]: Analyzing trace with hash -275043422, now seen corresponding path program 1 times [2023-04-02 08:24:03,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:24:03,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135893316] [2023-04-02 08:24:03,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:24:03,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:24:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:24:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:24:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:04,230 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 08:24:04,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:24:04,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135893316] [2023-04-02 08:24:04,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135893316] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:24:04,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:24:04,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:24:04,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283011635] [2023-04-02 08:24:04,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:24:04,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:24:04,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:24:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:24:04,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:24:04,278 INFO L87 Difference]: Start difference. First operand has 1759 states, 1167 states have (on average 1.300771208226221) internal successors, (1518), 1197 states have internal predecessors, (1518), 408 states have call successors, (408), 155 states have call predecessors, (408), 155 states have return successors, (408), 400 states have call predecessors, (408), 408 states have call successors, (408) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:08,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:15,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:17,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:25,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:24:25,879 INFO L93 Difference]: Finished difference Result 4898 states and 6872 transitions. [2023-04-02 08:24:25,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:24:25,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2023-04-02 08:24:25,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:24:25,916 INFO L225 Difference]: With dead ends: 4898 [2023-04-02 08:24:25,916 INFO L226 Difference]: Without dead ends: 3428 [2023-04-02 08:24:25,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:24:25,937 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 3933 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 4720 mSolverCounterSat, 1758 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4304 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 6481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1758 IncrementalHoareTripleChecker+Valid, 4720 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:24:25,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4304 Valid, 314 Invalid, 6481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1758 Valid, 4720 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2023-04-02 08:24:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2023-04-02 08:24:26,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 2945. [2023-04-02 08:24:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 1914 states have (on average 1.260710553814002) internal successors, (2413), 1959 states have internal predecessors, (2413), 735 states have call successors, (735), 292 states have call predecessors, (735), 295 states have return successors, (775), 713 states have call predecessors, (775), 718 states have call successors, (775) [2023-04-02 08:24:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 3923 transitions. [2023-04-02 08:24:26,660 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 3923 transitions. Word has length 16 [2023-04-02 08:24:26,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:24:26,660 INFO L495 AbstractCegarLoop]: Abstraction has 2945 states and 3923 transitions. [2023-04-02 08:24:26,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 3923 transitions. [2023-04-02 08:24:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-02 08:24:26,661 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:24:26,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:24:26,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:24:26,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:24:26,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:24:26,669 INFO L85 PathProgramCache]: Analyzing trace with hash 62768933, now seen corresponding path program 1 times [2023-04-02 08:24:26,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:24:26,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751972566] [2023-04-02 08:24:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:24:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:24:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:24:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:24:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:26,955 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 08:24:26,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:24:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751972566] [2023-04-02 08:24:26,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751972566] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:24:26,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:24:26,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:24:26,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130082847] [2023-04-02 08:24:26,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:24:26,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:24:26,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:24:26,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:24:26,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:24:26,962 INFO L87 Difference]: Start difference. First operand 2945 states and 3923 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:30,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:37,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:24:37,338 INFO L93 Difference]: Finished difference Result 3425 states and 4689 transitions. [2023-04-02 08:24:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:24:37,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-04-02 08:24:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:24:37,356 INFO L225 Difference]: With dead ends: 3425 [2023-04-02 08:24:37,356 INFO L226 Difference]: Without dead ends: 3422 [2023-04-02 08:24:37,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:24:37,358 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 2693 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 2762 mSolverCounterSat, 1397 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1397 IncrementalHoareTripleChecker+Valid, 2762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:24:37,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 179 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1397 Valid, 2762 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2023-04-02 08:24:37,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2023-04-02 08:24:37,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2944. [2023-04-02 08:24:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 1914 states have (on average 1.2601880877742946) internal successors, (2412), 1958 states have internal predecessors, (2412), 734 states have call successors, (734), 292 states have call predecessors, (734), 295 states have return successors, (775), 713 states have call predecessors, (775), 718 states have call successors, (775) [2023-04-02 08:24:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 3921 transitions. [2023-04-02 08:24:37,988 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 3921 transitions. Word has length 17 [2023-04-02 08:24:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:24:37,988 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 3921 transitions. [2023-04-02 08:24:37,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3921 transitions. [2023-04-02 08:24:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-02 08:24:37,989 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:24:37,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:24:37,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:24:37,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:24:37,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:24:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1945022213, now seen corresponding path program 1 times [2023-04-02 08:24:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:24:37,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682455461] [2023-04-02 08:24:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:24:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:24:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:24:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:24:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:38,259 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 08:24:38,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:24:38,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682455461] [2023-04-02 08:24:38,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682455461] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:24:38,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:24:38,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:24:38,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387356774] [2023-04-02 08:24:38,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:24:38,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:24:38,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:24:38,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:24:38,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:24:38,265 INFO L87 Difference]: Start difference. First operand 2944 states and 3921 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:41,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:24:47,859 INFO L93 Difference]: Finished difference Result 3424 states and 4687 transitions. [2023-04-02 08:24:47,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:24:47,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-04-02 08:24:47,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:24:47,878 INFO L225 Difference]: With dead ends: 3424 [2023-04-02 08:24:47,878 INFO L226 Difference]: Without dead ends: 3421 [2023-04-02 08:24:47,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:24:47,881 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 3858 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 2168 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3947 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 4481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2168 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:24:47,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3947 Valid, 157 Invalid, 4481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2168 Valid, 2312 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 08:24:47,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2023-04-02 08:24:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 2943. [2023-04-02 08:24:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2943 states, 1914 states have (on average 1.2596656217345872) internal successors, (2411), 1957 states have internal predecessors, (2411), 733 states have call successors, (733), 292 states have call predecessors, (733), 295 states have return successors, (775), 713 states have call predecessors, (775), 718 states have call successors, (775) [2023-04-02 08:24:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2943 states and 3919 transitions. [2023-04-02 08:24:48,536 INFO L78 Accepts]: Start accepts. Automaton has 2943 states and 3919 transitions. Word has length 18 [2023-04-02 08:24:48,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:24:48,537 INFO L495 AbstractCegarLoop]: Abstraction has 2943 states and 3919 transitions. [2023-04-02 08:24:48,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3919 transitions. [2023-04-02 08:24:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-02 08:24:48,537 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:24:48,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:24:48,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:24:48,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:24:48,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:24:48,538 INFO L85 PathProgramCache]: Analyzing trace with hash 165336616, now seen corresponding path program 1 times [2023-04-02 08:24:48,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:24:48,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389978023] [2023-04-02 08:24:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:24:48,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:24:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:24:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:24:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:24:48,784 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 08:24:48,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:24:48,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389978023] [2023-04-02 08:24:48,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389978023] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:24:48,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:24:48,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:24:48,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439135566] [2023-04-02 08:24:48,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:24:48,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:24:48,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:24:48,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:24:48,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:24:48,786 INFO L87 Difference]: Start difference. First operand 2943 states and 3919 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:24:51,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:24:59,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:01,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:10,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:25:10,435 INFO L93 Difference]: Finished difference Result 9559 states and 13371 transitions. [2023-04-02 08:25:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:25:10,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-04-02 08:25:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:25:10,474 INFO L225 Difference]: With dead ends: 9559 [2023-04-02 08:25:10,474 INFO L226 Difference]: Without dead ends: 6621 [2023-04-02 08:25:10,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:25:10,491 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 3893 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 5095 mSolverCounterSat, 1658 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4241 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 6756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 5095 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:25:10,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4241 Valid, 547 Invalid, 6756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1658 Valid, 5095 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2023-04-02 08:25:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2023-04-02 08:25:11,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 6270. [2023-04-02 08:25:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 4101 states have (on average 1.2643257742014142) internal successors, (5185), 4192 states have internal predecessors, (5185), 1558 states have call successors, (1558), 570 states have call predecessors, (1558), 610 states have return successors, (1946), 1547 states have call predecessors, (1946), 1536 states have call successors, (1946) [2023-04-02 08:25:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8689 transitions. [2023-04-02 08:25:11,581 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8689 transitions. Word has length 19 [2023-04-02 08:25:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:25:11,581 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8689 transitions. [2023-04-02 08:25:11,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 08:25:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8689 transitions. [2023-04-02 08:25:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 08:25:11,594 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:25:11,595 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:25:11,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:25:11,595 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:25:11,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:25:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1417809712, now seen corresponding path program 1 times [2023-04-02 08:25:11,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:25:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102933735] [2023-04-02 08:25:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:25:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:25:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:25:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:25:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:25:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:25:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:25:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:25:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:25:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:25:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:25:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:25:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:25:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:25:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:25:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 08:25:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 08:25:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 08:25:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 08:25:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-02 08:25:12,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:25:12,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102933735] [2023-04-02 08:25:12,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102933735] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:25:12,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:25:12,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:25:12,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545392117] [2023-04-02 08:25:12,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:25:12,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:25:12,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:25:12,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:25:12,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:25:12,615 INFO L87 Difference]: Start difference. First operand 6270 states and 8689 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-02 08:25:16,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:18,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:20,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:22,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:25:32,997 INFO L93 Difference]: Finished difference Result 13371 states and 19113 transitions. [2023-04-02 08:25:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:25:32,998 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 197 [2023-04-02 08:25:32,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:25:33,040 INFO L225 Difference]: With dead ends: 13371 [2023-04-02 08:25:33,041 INFO L226 Difference]: Without dead ends: 7111 [2023-04-02 08:25:33,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:25:33,068 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 5241 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 5206 mSolverCounterSat, 3729 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5346 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 8939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3729 IncrementalHoareTripleChecker+Valid, 5206 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:25:33,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5346 Valid, 474 Invalid, 8939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3729 Valid, 5206 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2023-04-02 08:25:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7111 states. [2023-04-02 08:25:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7111 to 6170. [2023-04-02 08:25:34,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6170 states, 4028 states have (on average 1.2614200595829195) internal successors, (5081), 4123 states have internal predecessors, (5081), 1541 states have call successors, (1541), 522 states have call predecessors, (1541), 600 states have return successors, (1984), 1564 states have call predecessors, (1984), 1519 states have call successors, (1984) [2023-04-02 08:25:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6170 states to 6170 states and 8606 transitions. [2023-04-02 08:25:34,373 INFO L78 Accepts]: Start accepts. Automaton has 6170 states and 8606 transitions. Word has length 197 [2023-04-02 08:25:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:25:34,374 INFO L495 AbstractCegarLoop]: Abstraction has 6170 states and 8606 transitions. [2023-04-02 08:25:34,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-02 08:25:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 6170 states and 8606 transitions. [2023-04-02 08:25:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-02 08:25:34,382 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:25:34,383 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:25:34,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:25:34,383 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:25:34,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:25:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1077301058, now seen corresponding path program 1 times [2023-04-02 08:25:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:25:34,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956518869] [2023-04-02 08:25:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:25:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:25:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:25:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:25:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 08:25:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:25:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 08:25:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 08:25:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:25:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:25:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:25:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:25:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:25:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 08:25:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:25:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:25:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 08:25:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 08:25:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:25:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 08:25:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:25:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:25:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:25:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 08:25:35,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:25:35,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956518869] [2023-04-02 08:25:35,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956518869] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:25:35,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:25:35,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:25:35,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165692770] [2023-04-02 08:25:35,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:25:35,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:25:35,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:25:35,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:25:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:25:35,262 INFO L87 Difference]: Start difference. First operand 6170 states and 8606 transitions. Second operand has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (41), 9 states have call predecessors, (41), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-02 08:25:39,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:41,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:43,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:45,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:47,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:49,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:25:51,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:26:03,050 INFO L93 Difference]: Finished difference Result 13684 states and 19701 transitions. [2023-04-02 08:26:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 08:26:03,051 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (41), 9 states have call predecessors, (41), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 207 [2023-04-02 08:26:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:26:03,087 INFO L225 Difference]: With dead ends: 13684 [2023-04-02 08:26:03,087 INFO L226 Difference]: Without dead ends: 7524 [2023-04-02 08:26:03,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2023-04-02 08:26:03,111 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 4829 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 8764 mSolverCounterSat, 3568 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5112 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 12339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3568 IncrementalHoareTripleChecker+Valid, 8764 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:26:03,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5112 Valid, 274 Invalid, 12339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3568 Valid, 8764 Invalid, 7 Unknown, 0 Unchecked, 26.0s Time] [2023-04-02 08:26:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7524 states. [2023-04-02 08:26:04,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7524 to 6271. [2023-04-02 08:26:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6271 states, 4108 states have (on average 1.2626582278481013) internal successors, (5187), 4208 states have internal predecessors, (5187), 1554 states have call successors, (1554), 522 states have call predecessors, (1554), 608 states have return successors, (2015), 1577 states have call predecessors, (2015), 1532 states have call successors, (2015) [2023-04-02 08:26:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 8756 transitions. [2023-04-02 08:26:04,247 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 8756 transitions. Word has length 207 [2023-04-02 08:26:04,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:26:04,247 INFO L495 AbstractCegarLoop]: Abstraction has 6271 states and 8756 transitions. [2023-04-02 08:26:04,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.454545454545455) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (41), 9 states have call predecessors, (41), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-02 08:26:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 8756 transitions. [2023-04-02 08:26:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 08:26:04,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:26:04,252 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:26:04,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 08:26:04,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:26:04,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:26:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash -801595960, now seen corresponding path program 1 times [2023-04-02 08:26:04,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:26:04,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113556250] [2023-04-02 08:26:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:26:04,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:26:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:26:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:26:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:26:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:26:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:26:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:26:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:26:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:26:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:26:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:26:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:26:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 08:26:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 08:26:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 08:26:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 08:26:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 08:26:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-02 08:26:05,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:26:05,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113556250] [2023-04-02 08:26:05,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113556250] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:26:05,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:26:05,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 08:26:05,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783203640] [2023-04-02 08:26:05,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:26:05,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 08:26:05,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:26:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 08:26:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:26:05,598 INFO L87 Difference]: Start difference. First operand 6271 states and 8756 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (37), 7 states have call predecessors, (37), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 08:26:10,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:12,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:14,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:16,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:18,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:20,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:22,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:24,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:26:37,227 INFO L93 Difference]: Finished difference Result 13565 states and 19407 transitions. [2023-04-02 08:26:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 08:26:37,228 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (37), 7 states have call predecessors, (37), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 225 [2023-04-02 08:26:37,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:26:37,261 INFO L225 Difference]: With dead ends: 13565 [2023-04-02 08:26:37,261 INFO L226 Difference]: Without dead ends: 7304 [2023-04-02 08:26:37,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2023-04-02 08:26:37,283 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 2578 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 12710 mSolverCounterSat, 1813 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 14531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1813 IncrementalHoareTripleChecker+Valid, 12710 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2023-04-02 08:26:37,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 854 Invalid, 14531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1813 Valid, 12710 Invalid, 8 Unknown, 0 Unchecked, 29.7s Time] [2023-04-02 08:26:37,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2023-04-02 08:26:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 6299. [2023-04-02 08:26:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6299 states, 4128 states have (on average 1.2613856589147288) internal successors, (5207), 4228 states have internal predecessors, (5207), 1554 states have call successors, (1554), 522 states have call predecessors, (1554), 616 states have return successors, (2023), 1585 states have call predecessors, (2023), 1532 states have call successors, (2023) [2023-04-02 08:26:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 8784 transitions. [2023-04-02 08:26:38,535 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 8784 transitions. Word has length 225 [2023-04-02 08:26:38,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:26:38,536 INFO L495 AbstractCegarLoop]: Abstraction has 6299 states and 8784 transitions. [2023-04-02 08:26:38,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (37), 7 states have call predecessors, (37), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 08:26:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 8784 transitions. [2023-04-02 08:26:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-04-02 08:26:38,541 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:26:38,542 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:26:38,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 08:26:38,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:26:38,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:26:38,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1901858492, now seen corresponding path program 1 times [2023-04-02 08:26:38,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:26:38,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176660] [2023-04-02 08:26:38,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:26:38,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:26:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:26:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 08:26:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:26:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:26:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:26:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 08:26:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:26:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:26:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 08:26:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 08:26:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 08:26:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 08:26:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:26:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:26:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:26:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:26:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:26:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 08:26:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:26:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:26:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 08:26:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 08:26:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 08:26:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 08:26:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-04-02 08:26:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-04-02 08:26:39,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:26:39,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176660] [2023-04-02 08:26:39,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176660] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:26:39,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189513941] [2023-04-02 08:26:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:26:39,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:26:39,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:26:39,421 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 08:26:39,422 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 08:26:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:40,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 08:26:40,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:26:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-02 08:26:40,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:26:40,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189513941] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:26:40,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:26:40,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-04-02 08:26:40,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032974043] [2023-04-02 08:26:40,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:26:40,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 08:26:40,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:26:40,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 08:26:40,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:26:40,255 INFO L87 Difference]: Start difference. First operand 6299 states and 8784 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 08:26:41,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:26:41,572 INFO L93 Difference]: Finished difference Result 12604 states and 17645 transitions. [2023-04-02 08:26:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 08:26:41,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 274 [2023-04-02 08:26:41,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:26:41,598 INFO L225 Difference]: With dead ends: 12604 [2023-04-02 08:26:41,598 INFO L226 Difference]: Without dead ends: 6315 [2023-04-02 08:26:41,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:26:41,617 INFO L413 NwaCegarLoop]: 1789 mSDtfsCounter, 2 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:26:41,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3575 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:26:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2023-04-02 08:26:42,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 6303. [2023-04-02 08:26:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6303 states, 4132 states have (on average 1.261132623426912) internal successors, (5211), 4232 states have internal predecessors, (5211), 1554 states have call successors, (1554), 522 states have call predecessors, (1554), 616 states have return successors, (2023), 1585 states have call predecessors, (2023), 1532 states have call successors, (2023) [2023-04-02 08:26:42,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6303 states to 6303 states and 8788 transitions. [2023-04-02 08:26:42,863 INFO L78 Accepts]: Start accepts. Automaton has 6303 states and 8788 transitions. Word has length 274 [2023-04-02 08:26:42,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:26:42,865 INFO L495 AbstractCegarLoop]: Abstraction has 6303 states and 8788 transitions. [2023-04-02 08:26:42,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 08:26:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 6303 states and 8788 transitions. [2023-04-02 08:26:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-04-02 08:26:42,871 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:26:42,871 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:26:42,885 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 08:26:43,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:26:43,084 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:26:43,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:26:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash 391304666, now seen corresponding path program 1 times [2023-04-02 08:26:43,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:26:43,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874871855] [2023-04-02 08:26:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:26:43,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:26:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:26:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:26:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:26:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:26:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:26:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:26:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:26:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:26:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:26:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:26:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:26:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 08:26:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 08:26:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:26:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 08:26:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:26:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:26:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 08:26:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:26:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:26:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 08:26:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 08:26:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:26:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-02 08:26:43,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:26:43,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874871855] [2023-04-02 08:26:43,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874871855] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:26:43,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:26:43,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:26:43,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821661677] [2023-04-02 08:26:43,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:26:43,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:26:43,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:26:43,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:26:43,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:26:43,913 INFO L87 Difference]: Start difference. First operand 6303 states and 8788 transitions. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (41), 8 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 08:26:48,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:50,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:52,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:54,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:26:56,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:27:07,016 INFO L93 Difference]: Finished difference Result 13873 states and 19899 transitions. [2023-04-02 08:27:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 08:27:07,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (41), 8 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 249 [2023-04-02 08:27:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:27:07,043 INFO L225 Difference]: With dead ends: 13873 [2023-04-02 08:27:07,043 INFO L226 Difference]: Without dead ends: 7580 [2023-04-02 08:27:07,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:27:07,062 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 4021 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 6034 mSolverCounterSat, 2967 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4222 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 9006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2967 IncrementalHoareTripleChecker+Valid, 6034 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:27:07,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4222 Valid, 589 Invalid, 9006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2967 Valid, 6034 Invalid, 5 Unknown, 0 Unchecked, 21.2s Time] [2023-04-02 08:27:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2023-04-02 08:27:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 6307. [2023-04-02 08:27:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 4136 states have (on average 1.260880077369439) internal successors, (5215), 4236 states have internal predecessors, (5215), 1554 states have call successors, (1554), 522 states have call predecessors, (1554), 616 states have return successors, (2023), 1585 states have call predecessors, (2023), 1532 states have call successors, (2023) [2023-04-02 08:27:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 8792 transitions. [2023-04-02 08:27:08,213 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 8792 transitions. Word has length 249 [2023-04-02 08:27:08,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:27:08,214 INFO L495 AbstractCegarLoop]: Abstraction has 6307 states and 8792 transitions. [2023-04-02 08:27:08,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (41), 8 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 08:27:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 8792 transitions. [2023-04-02 08:27:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-04-02 08:27:08,219 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:27:08,220 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:08,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 08:27:08,220 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:27:08,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:27:08,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1037728402, now seen corresponding path program 1 times [2023-04-02 08:27:08,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:27:08,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147583168] [2023-04-02 08:27:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:08,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:27:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:27:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:27:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:27:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:27:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:27:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:27:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:27:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:27:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:27:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 08:27:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 08:27:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:27:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:27:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 08:27:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 08:27:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 08:27:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-04-02 08:27:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-02 08:27:09,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:27:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147583168] [2023-04-02 08:27:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147583168] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:27:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2823039] [2023-04-02 08:27:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:09,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:27:09,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:27:09,038 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 08:27:09,062 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 08:27:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:09,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 08:27:09,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:27:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-04-02 08:27:09,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:27:09,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2823039] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:27:09,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:27:09,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-04-02 08:27:09,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724396011] [2023-04-02 08:27:09,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:27:09,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 08:27:09,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:27:09,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 08:27:09,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:27:09,860 INFO L87 Difference]: Start difference. First operand 6307 states and 8792 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:27:11,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:27:11,663 INFO L93 Difference]: Finished difference Result 12620 states and 17698 transitions. [2023-04-02 08:27:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 08:27:11,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 251 [2023-04-02 08:27:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:27:11,692 INFO L225 Difference]: With dead ends: 12620 [2023-04-02 08:27:11,692 INFO L226 Difference]: Without dead ends: 6323 [2023-04-02 08:27:11,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:27:11,711 INFO L413 NwaCegarLoop]: 1789 mSDtfsCounter, 4 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 08:27:11,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3575 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 08:27:11,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6323 states. [2023-04-02 08:27:12,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6323 to 6311. [2023-04-02 08:27:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4140 states have (on average 1.2606280193236714) internal successors, (5219), 4240 states have internal predecessors, (5219), 1554 states have call successors, (1554), 522 states have call predecessors, (1554), 616 states have return successors, (2023), 1585 states have call predecessors, (2023), 1532 states have call successors, (2023) [2023-04-02 08:27:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8796 transitions. [2023-04-02 08:27:13,011 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8796 transitions. Word has length 251 [2023-04-02 08:27:13,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:27:13,011 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8796 transitions. [2023-04-02 08:27:13,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:27:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8796 transitions. [2023-04-02 08:27:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-04-02 08:27:13,016 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:27:13,016 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:27:13,030 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 08:27:13,228 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 08:27:13,228 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:27:13,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:27:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash 365049293, now seen corresponding path program 1 times [2023-04-02 08:27:13,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:27:13,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965186653] [2023-04-02 08:27:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:13,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:27:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:27:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 08:27:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:27:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:27:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:27:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 08:27:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:27:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:27:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 08:27:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 08:27:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 08:27:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 08:27:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:27:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:27:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:27:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:27:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 08:27:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:27:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 08:27:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:27:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:27:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 08:27:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 08:27:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:27:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 08:27:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-04-02 08:27:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-04-02 08:27:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-04-02 08:27:14,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:27:14,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965186653] [2023-04-02 08:27:14,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965186653] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:27:14,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596571350] [2023-04-02 08:27:14,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:14,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:27:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:27:14,036 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 08:27:14,040 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 08:27:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:14,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 08:27:14,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:27:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:27:14,898 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:27:14,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596571350] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:27:14,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:27:14,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-02 08:27:14,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457555820] [2023-04-02 08:27:14,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:27:14,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:27:14,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:27:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:27:14,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:27:14,901 INFO L87 Difference]: Start difference. First operand 6311 states and 8796 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-02 08:27:16,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:27:16,106 INFO L93 Difference]: Finished difference Result 12639 states and 17620 transitions. [2023-04-02 08:27:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:27:16,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 292 [2023-04-02 08:27:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:27:16,131 INFO L225 Difference]: With dead ends: 12639 [2023-04-02 08:27:16,131 INFO L226 Difference]: Without dead ends: 6330 [2023-04-02 08:27:16,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:27:16,148 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 1 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7154 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:27:16,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7154 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:27:16,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2023-04-02 08:27:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 6327. [2023-04-02 08:27:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6327 states, 4148 states have (on average 1.259884281581485) internal successors, (5226), 4248 states have internal predecessors, (5226), 1559 states have call successors, (1559), 522 states have call predecessors, (1559), 619 states have return successors, (2031), 1593 states have call predecessors, (2031), 1537 states have call successors, (2031) [2023-04-02 08:27:17,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 8816 transitions. [2023-04-02 08:27:17,503 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 8816 transitions. Word has length 292 [2023-04-02 08:27:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:27:17,504 INFO L495 AbstractCegarLoop]: Abstraction has 6327 states and 8816 transitions. [2023-04-02 08:27:17,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-02 08:27:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 8816 transitions. [2023-04-02 08:27:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-04-02 08:27:17,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:27:17,508 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:17,521 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 08:27:17,720 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 08:27:17,720 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:27:17,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:27:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1331993006, now seen corresponding path program 1 times [2023-04-02 08:27:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:27:17,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380426390] [2023-04-02 08:27:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:27:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:27:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:27:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:27:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:27:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:27:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:27:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:27:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:27:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:27:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 08:27:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 08:27:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:27:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:27:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 08:27:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 08:27:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 08:27:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 08:27:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-04-02 08:27:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:27:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380426390] [2023-04-02 08:27:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380426390] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:27:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713339108] [2023-04-02 08:27:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:18,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:27:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:27:18,619 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 08:27:18,622 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 08:27:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:19,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 08:27:19,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:27:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-04-02 08:27:19,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:27:19,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713339108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:27:19,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:27:19,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-04-02 08:27:19,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864739762] [2023-04-02 08:27:19,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:27:19,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 08:27:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:27:19,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 08:27:19,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:27:19,412 INFO L87 Difference]: Start difference. First operand 6327 states and 8816 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:27:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:27:20,487 INFO L93 Difference]: Finished difference Result 12652 states and 17734 transitions. [2023-04-02 08:27:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 08:27:20,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 254 [2023-04-02 08:27:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:27:20,509 INFO L225 Difference]: With dead ends: 12652 [2023-04-02 08:27:20,510 INFO L226 Difference]: Without dead ends: 6335 [2023-04-02 08:27:20,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:27:20,528 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 1 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:27:20,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3577 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:27:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6335 states. [2023-04-02 08:27:21,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6335 to 6331. [2023-04-02 08:27:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6331 states, 4152 states have (on average 1.2596339113680155) internal successors, (5230), 4252 states have internal predecessors, (5230), 1559 states have call successors, (1559), 522 states have call predecessors, (1559), 619 states have return successors, (2031), 1593 states have call predecessors, (2031), 1537 states have call successors, (2031) [2023-04-02 08:27:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 8820 transitions. [2023-04-02 08:27:21,806 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 8820 transitions. Word has length 254 [2023-04-02 08:27:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:27:21,807 INFO L495 AbstractCegarLoop]: Abstraction has 6331 states and 8820 transitions. [2023-04-02 08:27:21,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:27:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 8820 transitions. [2023-04-02 08:27:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-04-02 08:27:21,810 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:27:21,810 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:21,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 08:27:22,023 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 08:27:22,024 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:27:22,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:27:22,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1294533014, now seen corresponding path program 1 times [2023-04-02 08:27:22,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:27:22,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056712321] [2023-04-02 08:27:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:22,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:27:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:27:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 08:27:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:27:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 08:27:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:27:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:27:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:27:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:27:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:27:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:27:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:27:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 08:27:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 08:27:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:27:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:27:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 08:27:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 08:27:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:27:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:27:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-04-02 08:27:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 08:27:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-02 08:27:22,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:27:22,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056712321] [2023-04-02 08:27:22,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056712321] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:27:22,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024527005] [2023-04-02 08:27:22,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:27:22,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:27:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:27:22,910 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 08:27:22,913 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 08:27:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:27:23,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 08:27:23,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:27:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-04-02 08:27:23,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:27:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-04-02 08:27:23,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024527005] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 08:27:23,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 08:27:23,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2023-04-02 08:27:23,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239777527] [2023-04-02 08:27:23,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 08:27:23,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 08:27:23,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:27:23,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 08:27:23,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-04-02 08:27:23,934 INFO L87 Difference]: Start difference. First operand 6331 states and 8820 transitions. Second operand has 13 states, 13 states have (on average 15.692307692307692) internal successors, (204), 7 states have internal predecessors, (204), 5 states have call successors, (66), 8 states have call predecessors, (66), 2 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) [2023-04-02 08:27:29,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:31,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:33,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:27:35,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []