/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:46:46,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:46:46,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:46:46,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:46:46,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:46:46,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:46:46,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:46:46,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:46:46,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:46:46,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:46:46,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:46:46,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:46:46,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:46:46,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:46:46,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:46:46,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:46:46,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:46:46,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:46:46,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:46:46,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:46:46,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:46:46,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:46:46,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:46:46,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:46:46,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:46:46,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:46:46,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:46:46,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:46:46,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:46:46,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:46:46,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:46:46,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:46:46,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:46:46,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:46:46,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:46:46,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:46:46,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:46:46,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:46:46,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:46:46,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:46:46,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:46:46,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 10:46:46,809 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:46:46,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:46:46,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:46:46,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:46:46,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:46:46,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:46:46,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:46:46,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:46:46,812 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:46:46,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:46:46,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:46:46,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:46:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:46:46,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:46:46,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:46:46,816 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:46:46,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:46:46,816 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:46:46,816 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:46:47,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:46:47,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:46:47,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:46:47,045 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:46:47,045 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:46:47,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 10:46:48,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:46:48,399 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:46:48,400 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 10:46:48,427 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414778842/84ae48f01f25466cbb3ff442f6a4e1d1/FLAG5a8ccef2b [2023-04-02 10:46:48,441 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414778842/84ae48f01f25466cbb3ff442f6a4e1d1 [2023-04-02 10:46:48,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:46:48,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:46:48,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:46:48,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:46:48,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:46:48,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:46:48" (1/1) ... [2023-04-02 10:46:48,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134c4191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:48, skipping insertion in model container [2023-04-02 10:46:48,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:46:48" (1/1) ... [2023-04-02 10:46:48,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:46:48,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:46:49,137 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2023-04-02 10:46:49,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:46:49,187 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:46:49,374 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2023-04-02 10:46:49,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:46:49,417 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 10:46:49,423 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:46:49,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49 WrapperNode [2023-04-02 10:46:49,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:46:49,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:46:49,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:46:49,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:46:49,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:46:49,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:46:49,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:46:49,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:46:49,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (1/1) ... [2023-04-02 10:46:49,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:46:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:46:49,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 10:46:49,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 10:46:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:46:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:46:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2023-04-02 10:46:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-02 10:46:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-04-02 10:46:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-02 10:46:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-02 10:46:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-02 10:46:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:46:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_24 [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_25 [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_26 [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_27 [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2023-04-02 10:46:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-02 10:46:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 10:46:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-04-02 10:46:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-02 10:46:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:46:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:46:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:46:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:46:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:46:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:46:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:46:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:46:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:46:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:46:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:46:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:46:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:46:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:46:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 10:46:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:46:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:46:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:46:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:46:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_25 [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-02 10:46:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure down [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-02 10:46:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_24 [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_26 [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_27 [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2023-04-02 10:46:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:46:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:46:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:46:50,067 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:46:50,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:46:50,188 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:46:54,099 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:46:54,108 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:46:54,108 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 10:46:54,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:46:54 BoogieIcfgContainer [2023-04-02 10:46:54,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:46:54,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:46:54,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:46:54,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:46:54,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:46:48" (1/3) ... [2023-04-02 10:46:54,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfcb386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:46:54, skipping insertion in model container [2023-04-02 10:46:54,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:46:49" (2/3) ... [2023-04-02 10:46:54,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfcb386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:46:54, skipping insertion in model container [2023-04-02 10:46:54,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:46:54" (3/3) ... [2023-04-02 10:46:54,116 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 10:46:54,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:46:54,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:46:54,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:46:54,186 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;@2dea02b4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:46:54,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:46:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 817 states, 541 states have (on average 1.3086876155268021) internal successors, (708), 557 states have internal predecessors, (708), 175 states have call successors, (175), 93 states have call predecessors, (175), 92 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-02 10:46:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-02 10:46:54,214 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:46:54,215 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:46:54,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:46:54,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:46:54,219 INFO L85 PathProgramCache]: Analyzing trace with hash -317246371, now seen corresponding path program 1 times [2023-04-02 10:46:54,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:46:54,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764219802] [2023-04-02 10:46:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:46:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:46:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:46:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:46:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:46:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:46:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:46:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:46:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:46:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 10:46:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:46:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:46:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:46:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 10:46:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:46:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:46:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 10:46:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:46:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:46:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:46:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:46:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:46:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 10:46:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:46:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:46:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:46:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 10:46:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:46:55,247 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-04-02 10:46:55,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:46:55,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764219802] [2023-04-02 10:46:55,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764219802] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:46:55,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:46:55,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 10:46:55,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939162880] [2023-04-02 10:46:55,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:46:55,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:46:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:46:55,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:46:55,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-02 10:46:55,289 INFO L87 Difference]: Start difference. First operand has 817 states, 541 states have (on average 1.3086876155268021) internal successors, (708), 557 states have internal predecessors, (708), 175 states have call successors, (175), 93 states have call predecessors, (175), 92 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 10:47:00,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:00,464 INFO L93 Difference]: Finished difference Result 1390 states and 1887 transitions. [2023-04-02 10:47:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 10:47:00,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 223 [2023-04-02 10:47:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:00,482 INFO L225 Difference]: With dead ends: 1390 [2023-04-02 10:47:00,482 INFO L226 Difference]: Without dead ends: 756 [2023-04-02 10:47:00,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:47:00,491 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1011 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 589 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:00,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 452 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [589 Valid, 1833 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-02 10:47:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2023-04-02 10:47:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 589. [2023-04-02 10:47:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 398 states have (on average 1.321608040201005) internal successors, (526), 407 states have internal predecessors, (526), 119 states have call successors, (119), 73 states have call predecessors, (119), 71 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-02 10:47:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 762 transitions. [2023-04-02 10:47:00,639 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 762 transitions. Word has length 223 [2023-04-02 10:47:00,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:00,640 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 762 transitions. [2023-04-02 10:47:00,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 10:47:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 762 transitions. [2023-04-02 10:47:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-02 10:47:00,649 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:00,650 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 10:47:00,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:47:00,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:00,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:00,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1495081439, now seen corresponding path program 1 times [2023-04-02 10:47:00,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:00,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125020056] [2023-04-02 10:47:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 10:47:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:47:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 10:47:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 10:47:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:47:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:47:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:47:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-04-02 10:47:01,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:01,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125020056] [2023-04-02 10:47:01,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125020056] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:01,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:01,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:47:01,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448464423] [2023-04-02 10:47:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:01,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:47:01,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:01,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:47:01,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:47:01,210 INFO L87 Difference]: Start difference. First operand 589 states and 762 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:47:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:06,577 INFO L93 Difference]: Finished difference Result 1395 states and 1857 transitions. [2023-04-02 10:47:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 10:47:06,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 231 [2023-04-02 10:47:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:06,583 INFO L225 Difference]: With dead ends: 1395 [2023-04-02 10:47:06,583 INFO L226 Difference]: Without dead ends: 830 [2023-04-02 10:47:06,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:47:06,585 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1524 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 2828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 864 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:06,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 452 Invalid, 2828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [864 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-02 10:47:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2023-04-02 10:47:06,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 635. [2023-04-02 10:47:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 431 states have (on average 1.322505800464037) internal successors, (570), 442 states have internal predecessors, (570), 126 states have call successors, (126), 80 states have call predecessors, (126), 77 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2023-04-02 10:47:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 820 transitions. [2023-04-02 10:47:06,683 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 820 transitions. Word has length 231 [2023-04-02 10:47:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:06,684 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 820 transitions. [2023-04-02 10:47:06,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:47:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 820 transitions. [2023-04-02 10:47:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-04-02 10:47:06,687 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:06,687 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:06,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:47:06,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:06,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash -671028519, now seen corresponding path program 1 times [2023-04-02 10:47:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:06,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716887492] [2023-04-02 10:47:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 10:47:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 10:47:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 10:47:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 10:47:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-04-02 10:47:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 10:47:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-04-02 10:47:07,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:07,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716887492] [2023-04-02 10:47:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716887492] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:07,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 10:47:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110612075] [2023-04-02 10:47:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:07,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 10:47:07,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:07,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 10:47:07,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-04-02 10:47:07,398 INFO L87 Difference]: Start difference. First operand 635 states and 820 transitions. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (42), 13 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-02 10:47:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:13,444 INFO L93 Difference]: Finished difference Result 1429 states and 1920 transitions. [2023-04-02 10:47:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:47:13,444 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (42), 13 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 289 [2023-04-02 10:47:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:13,448 INFO L225 Difference]: With dead ends: 1429 [2023-04-02 10:47:13,448 INFO L226 Difference]: Without dead ends: 822 [2023-04-02 10:47:13,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:47:13,450 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 2265 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 1405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 4024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1405 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:13,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2303 Valid, 548 Invalid, 4024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1405 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-04-02 10:47:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2023-04-02 10:47:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 635. [2023-04-02 10:47:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 431 states have (on average 1.3016241299303943) internal successors, (561), 442 states have internal predecessors, (561), 126 states have call successors, (126), 80 states have call predecessors, (126), 77 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2023-04-02 10:47:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 811 transitions. [2023-04-02 10:47:13,550 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 811 transitions. Word has length 289 [2023-04-02 10:47:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:13,551 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 811 transitions. [2023-04-02 10:47:13,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 4 states have internal predecessors, (134), 4 states have call successors, (42), 13 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-02 10:47:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 811 transitions. [2023-04-02 10:47:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-04-02 10:47:13,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:13,555 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:13,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:47:13,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:13,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash 866417214, now seen corresponding path program 1 times [2023-04-02 10:47:13,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:13,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575627692] [2023-04-02 10:47:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:47:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:47:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 10:47:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 10:47:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:47:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-04-02 10:47:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-04-02 10:47:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-04-02 10:47:14,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:14,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575627692] [2023-04-02 10:47:14,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575627692] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:14,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:14,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:47:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394681919] [2023-04-02 10:47:14,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:14,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:47:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:14,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:47:14,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:47:14,253 INFO L87 Difference]: Start difference. First operand 635 states and 811 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (46), 12 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-02 10:47:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:19,644 INFO L93 Difference]: Finished difference Result 1528 states and 2023 transitions. [2023-04-02 10:47:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 10:47:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (46), 12 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 311 [2023-04-02 10:47:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:19,649 INFO L225 Difference]: With dead ends: 1528 [2023-04-02 10:47:19,649 INFO L226 Difference]: Without dead ends: 921 [2023-04-02 10:47:19,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2023-04-02 10:47:19,651 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2248 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 1517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 3853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1517 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:19,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 572 Invalid, 3853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1517 Valid, 2336 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-04-02 10:47:19,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2023-04-02 10:47:19,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 696. [2023-04-02 10:47:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 478 states have (on average 1.299163179916318) internal successors, (621), 491 states have internal predecessors, (621), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 885 transitions. [2023-04-02 10:47:19,781 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 885 transitions. Word has length 311 [2023-04-02 10:47:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:19,782 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 885 transitions. [2023-04-02 10:47:19,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (46), 12 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-02 10:47:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 885 transitions. [2023-04-02 10:47:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-04-02 10:47:19,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:19,786 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:19,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:47:19,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:19,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash -822730048, now seen corresponding path program 1 times [2023-04-02 10:47:19,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:19,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461753539] [2023-04-02 10:47:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:47:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:47:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 10:47:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 10:47:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:47:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-04-02 10:47:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-04-02 10:47:20,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:20,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461753539] [2023-04-02 10:47:20,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461753539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:20,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:20,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:47:20,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916224972] [2023-04-02 10:47:20,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:20,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:47:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:20,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:47:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:47:20,361 INFO L87 Difference]: Start difference. First operand 696 states and 885 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 10:47:25,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:25,289 INFO L93 Difference]: Finished difference Result 1583 states and 2081 transitions. [2023-04-02 10:47:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 10:47:25,289 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 326 [2023-04-02 10:47:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:25,293 INFO L225 Difference]: With dead ends: 1583 [2023-04-02 10:47:25,293 INFO L226 Difference]: Without dead ends: 915 [2023-04-02 10:47:25,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:47:25,295 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 1450 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:25,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 449 Invalid, 3169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-02 10:47:25,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2023-04-02 10:47:25,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 697. [2023-04-02 10:47:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 479 states have (on average 1.2985386221294364) internal successors, (622), 492 states have internal predecessors, (622), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 886 transitions. [2023-04-02 10:47:25,405 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 886 transitions. Word has length 326 [2023-04-02 10:47:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:25,406 INFO L495 AbstractCegarLoop]: Abstraction has 697 states and 886 transitions. [2023-04-02 10:47:25,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 10:47:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 886 transitions. [2023-04-02 10:47:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-04-02 10:47:25,409 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:25,410 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:25,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 10:47:25,410 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:25,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash 549916729, now seen corresponding path program 1 times [2023-04-02 10:47:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212526147] [2023-04-02 10:47:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:47:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 10:47:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 10:47:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 10:47:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-04-02 10:47:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-04-02 10:47:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-04-02 10:47:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-04-02 10:47:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212526147] [2023-04-02 10:47:26,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212526147] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:26,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:26,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:47:26,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453013429] [2023-04-02 10:47:26,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:26,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:47:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:26,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:47:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:47:26,020 INFO L87 Difference]: Start difference. First operand 697 states and 886 transitions. Second operand has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 10:47:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:31,945 INFO L93 Difference]: Finished difference Result 1583 states and 2085 transitions. [2023-04-02 10:47:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 10:47:31,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 333 [2023-04-02 10:47:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:31,949 INFO L225 Difference]: With dead ends: 1583 [2023-04-02 10:47:31,950 INFO L226 Difference]: Without dead ends: 914 [2023-04-02 10:47:31,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:47:31,952 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 1436 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:31,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 568 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-04-02 10:47:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2023-04-02 10:47:32,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 698. [2023-04-02 10:47:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 480 states have (on average 1.2979166666666666) internal successors, (623), 493 states have internal predecessors, (623), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 887 transitions. [2023-04-02 10:47:32,063 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 887 transitions. Word has length 333 [2023-04-02 10:47:32,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:32,063 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 887 transitions. [2023-04-02 10:47:32,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 10:47:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 887 transitions. [2023-04-02 10:47:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-04-02 10:47:32,067 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:32,068 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:32,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 10:47:32,068 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:32,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash 415903223, now seen corresponding path program 1 times [2023-04-02 10:47:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601932813] [2023-04-02 10:47:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:47:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 10:47:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 10:47:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 10:47:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-04-02 10:47:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-04-02 10:47:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-04-02 10:47:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-04-02 10:47:32,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:32,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601932813] [2023-04-02 10:47:32,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601932813] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:32,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:32,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:47:32,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526615881] [2023-04-02 10:47:32,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:32,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:47:32,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:32,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:47:32,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:47:32,701 INFO L87 Difference]: Start difference. First operand 698 states and 887 transitions. Second operand has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 10:47:39,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:39,410 INFO L93 Difference]: Finished difference Result 1598 states and 2111 transitions. [2023-04-02 10:47:39,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:47:39,410 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 333 [2023-04-02 10:47:39,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:39,414 INFO L225 Difference]: With dead ends: 1598 [2023-04-02 10:47:39,414 INFO L226 Difference]: Without dead ends: 928 [2023-04-02 10:47:39,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:47:39,417 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 1078 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 4278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:39,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 713 Invalid, 4278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-02 10:47:39,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2023-04-02 10:47:39,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 699. [2023-04-02 10:47:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 481 states have (on average 1.2972972972972974) internal successors, (624), 494 states have internal predecessors, (624), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 888 transitions. [2023-04-02 10:47:39,529 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 888 transitions. Word has length 333 [2023-04-02 10:47:39,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:39,530 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 888 transitions. [2023-04-02 10:47:39,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 10:47:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 888 transitions. [2023-04-02 10:47:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-04-02 10:47:39,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:39,532 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:39,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 10:47:39,533 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:39,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:39,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1873227304, now seen corresponding path program 1 times [2023-04-02 10:47:39,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:39,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727535650] [2023-04-02 10:47:39,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:47:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:47:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 10:47:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 10:47:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:47:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-04-02 10:47:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:47:40,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:40,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727535650] [2023-04-02 10:47:40,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727535650] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:40,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:47:40,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:47:40,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677789718] [2023-04-02 10:47:40,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:40,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:47:40,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:40,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:47:40,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:47:40,092 INFO L87 Difference]: Start difference. First operand 699 states and 888 transitions. Second operand has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (47), 12 states have call predecessors, (47), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 10:47:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:45,405 INFO L93 Difference]: Finished difference Result 1587 states and 2092 transitions. [2023-04-02 10:47:45,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:47:45,406 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (47), 12 states have call predecessors, (47), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 330 [2023-04-02 10:47:45,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:45,409 INFO L225 Difference]: With dead ends: 1587 [2023-04-02 10:47:45,409 INFO L226 Difference]: Without dead ends: 916 [2023-04-02 10:47:45,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:47:45,411 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 1707 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 2547 mSolverCounterSat, 1090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 3637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1090 IncrementalHoareTripleChecker+Valid, 2547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:45,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 595 Invalid, 3637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1090 Valid, 2547 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-02 10:47:45,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2023-04-02 10:47:45,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 705. [2023-04-02 10:47:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 487 states have (on average 1.297741273100616) internal successors, (632), 500 states have internal predecessors, (632), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 896 transitions. [2023-04-02 10:47:45,528 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 896 transitions. Word has length 330 [2023-04-02 10:47:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:45,529 INFO L495 AbstractCegarLoop]: Abstraction has 705 states and 896 transitions. [2023-04-02 10:47:45,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (47), 12 states have call predecessors, (47), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 10:47:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 896 transitions. [2023-04-02 10:47:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-04-02 10:47:45,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:45,532 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:47:45,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 10:47:45,532 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:45,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:45,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1926786304, now seen corresponding path program 1 times [2023-04-02 10:47:45,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:45,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202591777] [2023-04-02 10:47:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:45,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 10:47:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 10:47:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 10:47:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 10:47:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-04-02 10:47:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-04-02 10:47:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-04-02 10:47:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-04-02 10:47:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-04-02 10:47:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-04-02 10:47:46,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202591777] [2023-04-02 10:47:46,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202591777] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:47:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864148526] [2023-04-02 10:47:46,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:47:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:47:46,203 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 10:47:46,206 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 10:47:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:46,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 2943 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 10:47:46,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:47:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-04-02 10:47:46,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:47:46,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864148526] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:46,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:47:46,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:47:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272066131] [2023-04-02 10:47:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:46,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:47:46,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:46,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:47:46,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:47:46,918 INFO L87 Difference]: Start difference. First operand 705 states and 896 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2023-04-02 10:47:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:47,061 INFO L93 Difference]: Finished difference Result 709 states and 900 transitions. [2023-04-02 10:47:47,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:47:47,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 363 [2023-04-02 10:47:47,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:47,064 INFO L225 Difference]: With dead ends: 709 [2023-04-02 10:47:47,064 INFO L226 Difference]: Without dead ends: 706 [2023-04-02 10:47:47,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:47:47,066 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 0 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1503 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 10:47:47,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1503 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:47:47,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-04-02 10:47:47,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2023-04-02 10:47:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 488 states have (on average 1.2971311475409837) internal successors, (633), 501 states have internal predecessors, (633), 133 states have call successors, (133), 88 states have call predecessors, (133), 84 states have return successors, (131), 127 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-02 10:47:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 897 transitions. [2023-04-02 10:47:47,189 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 897 transitions. Word has length 363 [2023-04-02 10:47:47,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:47,190 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 897 transitions. [2023-04-02 10:47:47,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2023-04-02 10:47:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 897 transitions. [2023-04-02 10:47:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-04-02 10:47:47,193 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:47,193 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:47:47,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 10:47:47,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:47:47,406 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:47,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:47,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1852278106, now seen corresponding path program 1 times [2023-04-02 10:47:47,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:47,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918835562] [2023-04-02 10:47:47,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:47,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 10:47:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:47:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:47:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:47:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 10:47:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 10:47:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:47:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-04-02 10:47:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-04-02 10:47:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-04-02 10:47:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-04-02 10:47:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:48,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918835562] [2023-04-02 10:47:48,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918835562] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:47:48,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821481062] [2023-04-02 10:47:48,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:47:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:47:48,075 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 10:47:48,077 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 10:47:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:48,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 2917 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-02 10:47:48,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:47:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-04-02 10:47:48,921 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:47:48,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821481062] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:47:48,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:47:48,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2023-04-02 10:47:48,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59177443] [2023-04-02 10:47:48,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:47:48,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 10:47:48,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:48,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 10:47:48,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:47:48,923 INFO L87 Difference]: Start difference. First operand 706 states and 897 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:47:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:49,189 INFO L93 Difference]: Finished difference Result 1389 states and 1769 transitions. [2023-04-02 10:47:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 10:47:49,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 355 [2023-04-02 10:47:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:49,192 INFO L225 Difference]: With dead ends: 1389 [2023-04-02 10:47:49,192 INFO L226 Difference]: Without dead ends: 702 [2023-04-02 10:47:49,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:47:49,195 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 3 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:49,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3748 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 10:47:49,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-04-02 10:47:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2023-04-02 10:47:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 485 states have (on average 1.2969072164948454) internal successors, (629), 498 states have internal predecessors, (629), 132 states have call successors, (132), 88 states have call predecessors, (132), 84 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 10:47:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 891 transitions. [2023-04-02 10:47:49,311 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 891 transitions. Word has length 355 [2023-04-02 10:47:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:49,312 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 891 transitions. [2023-04-02 10:47:49,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:47:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 891 transitions. [2023-04-02 10:47:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2023-04-02 10:47:49,315 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:49,315 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:47:49,341 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 10:47:49,526 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 10:47:49,526 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:49,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:49,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2044277736, now seen corresponding path program 1 times [2023-04-02 10:47:49,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:49,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592886414] [2023-04-02 10:47:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:49,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:47:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:47:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:47:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:47:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 10:47:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 10:47:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 10:47:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:47:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:47:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:47:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:47:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-04-02 10:47:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-04-02 10:47:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-04-02 10:47:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-04-02 10:47:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 10:47:50,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:47:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592886414] [2023-04-02 10:47:50,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592886414] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:47:50,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708781433] [2023-04-02 10:47:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:50,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:47:50,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:47:50,176 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 10:47:50,178 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 10:47:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:50,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 10:47:50,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:47:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-04-02 10:47:50,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 10:47:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 10:47:51,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708781433] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 10:47:51,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 10:47:51,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 10:47:51,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831570126] [2023-04-02 10:47:51,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 10:47:51,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 10:47:51,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:47:51,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 10:47:51,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:47:51,151 INFO L87 Difference]: Start difference. First operand 702 states and 891 transitions. Second operand has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 7 states have internal predecessors, (198), 5 states have call successors, (77), 12 states have call predecessors, (77), 2 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-04-02 10:47:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:47:58,896 INFO L93 Difference]: Finished difference Result 1640 states and 2174 transitions. [2023-04-02 10:47:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 10:47:58,896 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 7 states have internal predecessors, (198), 5 states have call successors, (77), 12 states have call predecessors, (77), 2 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 364 [2023-04-02 10:47:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:47:58,900 INFO L225 Difference]: With dead ends: 1640 [2023-04-02 10:47:58,900 INFO L226 Difference]: Without dead ends: 966 [2023-04-02 10:47:58,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 834 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2023-04-02 10:47:58,903 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1340 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 4542 mSolverCounterSat, 910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 5452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 910 IncrementalHoareTripleChecker+Valid, 4542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:47:58,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 1007 Invalid, 5452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [910 Valid, 4542 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 10:47:58,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-04-02 10:47:59,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 741. [2023-04-02 10:47:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 518 states have (on average 1.2972972972972974) internal successors, (672), 533 states have internal predecessors, (672), 138 states have call successors, (138), 88 states have call predecessors, (138), 84 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2023-04-02 10:47:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 946 transitions. [2023-04-02 10:47:59,037 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 946 transitions. Word has length 364 [2023-04-02 10:47:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:47:59,037 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 946 transitions. [2023-04-02 10:47:59,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 7 states have internal predecessors, (198), 5 states have call successors, (77), 12 states have call predecessors, (77), 2 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-04-02 10:47:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 946 transitions. [2023-04-02 10:47:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-04-02 10:47:59,040 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:47:59,041 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:47:59,053 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 10:47:59,251 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 10:47:59,251 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:47:59,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:47:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2026176108, now seen corresponding path program 1 times [2023-04-02 10:47:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:47:59,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133857830] [2023-04-02 10:47:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:47:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:47:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:47:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:47:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:47:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:47:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:47:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:47:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:47:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:47:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:47:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:47:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:47:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:47:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:47:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:47:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:47:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 10:47:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 10:47:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 10:47:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:47:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:47:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:47:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:47:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:47:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-04-02 10:48:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-04-02 10:48:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-04-02 10:48:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-04-02 10:48:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 10:48:00,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133857830] [2023-04-02 10:48:00,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133857830] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789386926] [2023-04-02 10:48:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:00,038 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 10:48:00,041 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 10:48:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:00,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 3024 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 10:48:00,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-04-02 10:48:00,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 10:48:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 10:48:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789386926] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 10:48:01,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 10:48:01,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 7, 7] total 18 [2023-04-02 10:48:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621671068] [2023-04-02 10:48:01,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 10:48:01,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 10:48:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 10:48:01,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:48:01,054 INFO L87 Difference]: Start difference. First operand 741 states and 946 transitions. Second operand has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 8 states have internal predecessors, (201), 3 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-02 10:48:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:08,227 INFO L93 Difference]: Finished difference Result 1698 states and 2254 transitions. [2023-04-02 10:48:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 10:48:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 8 states have internal predecessors, (201), 3 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 379 [2023-04-02 10:48:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:08,231 INFO L225 Difference]: With dead ends: 1698 [2023-04-02 10:48:08,231 INFO L226 Difference]: Without dead ends: 985 [2023-04-02 10:48:08,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 862 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2023-04-02 10:48:08,233 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1299 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3591 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 4360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 3591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:08,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 772 Invalid, 4360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 3591 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-02 10:48:08,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2023-04-02 10:48:08,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 755. [2023-04-02 10:48:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 530 states have (on average 1.2981132075471697) internal successors, (688), 546 states have internal predecessors, (688), 140 states have call successors, (140), 88 states have call predecessors, (140), 84 states have return successors, (138), 134 states have call predecessors, (138), 138 states have call successors, (138) [2023-04-02 10:48:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 966 transitions. [2023-04-02 10:48:08,371 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 966 transitions. Word has length 379 [2023-04-02 10:48:08,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:08,371 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 966 transitions. [2023-04-02 10:48:08,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.166666666666666) internal successors, (201), 8 states have internal predecessors, (201), 3 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-02 10:48:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 966 transitions. [2023-04-02 10:48:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-04-02 10:48:08,374 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:08,374 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:48:08,387 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 10:48:08,587 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 10:48:08,587 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:08,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:08,588 INFO L85 PathProgramCache]: Analyzing trace with hash 711257739, now seen corresponding path program 1 times [2023-04-02 10:48:08,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:08,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427662297] [2023-04-02 10:48:08,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:08,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 10:48:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 10:48:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 10:48:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-04-02 10:48:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-04-02 10:48:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-04-02 10:48:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-04-02 10:48:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-04-02 10:48:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-04-02 10:48:09,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427662297] [2023-04-02 10:48:09,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427662297] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:09,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:48:09,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:48:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643514461] [2023-04-02 10:48:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:09,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:48:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:09,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:48:09,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:48:09,334 INFO L87 Difference]: Start difference. First operand 755 states and 966 transitions. Second operand has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 10:48:16,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:16,802 INFO L93 Difference]: Finished difference Result 1696 states and 2239 transitions. [2023-04-02 10:48:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 10:48:16,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 376 [2023-04-02 10:48:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:16,806 INFO L225 Difference]: With dead ends: 1696 [2023-04-02 10:48:16,806 INFO L226 Difference]: Without dead ends: 969 [2023-04-02 10:48:16,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:48:16,808 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1244 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 3295 mSolverCounterSat, 742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 4037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 3295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:16,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 779 Invalid, 4037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [742 Valid, 3295 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 10:48:16,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2023-04-02 10:48:16,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 757. [2023-04-02 10:48:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 532 states have (on average 1.2969924812030076) internal successors, (690), 548 states have internal predecessors, (690), 140 states have call successors, (140), 88 states have call predecessors, (140), 84 states have return successors, (138), 134 states have call predecessors, (138), 138 states have call successors, (138) [2023-04-02 10:48:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 968 transitions. [2023-04-02 10:48:16,968 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 968 transitions. Word has length 376 [2023-04-02 10:48:16,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:16,969 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 968 transitions. [2023-04-02 10:48:16,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 10:48:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 968 transitions. [2023-04-02 10:48:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-04-02 10:48:16,972 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:16,972 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:48:16,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 10:48:16,972 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:16,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:16,973 INFO L85 PathProgramCache]: Analyzing trace with hash -453695859, now seen corresponding path program 1 times [2023-04-02 10:48:16,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:16,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601428084] [2023-04-02 10:48:16,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:48:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 10:48:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 10:48:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 10:48:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-04-02 10:48:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-04-02 10:48:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-04-02 10:48:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-04-02 10:48:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-04-02 10:48:17,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:17,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601428084] [2023-04-02 10:48:17,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601428084] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:17,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150535041] [2023-04-02 10:48:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:17,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:17,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:17,673 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 10:48:17,675 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 10:48:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:18,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 3003 conjuncts, 22 conjunts are in the unsatisfiable core [2023-04-02 10:48:18,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-04-02 10:48:18,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:18,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150535041] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:18,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:18,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2023-04-02 10:48:18,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085430029] [2023-04-02 10:48:18,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:18,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:48:18,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:18,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:48:18,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:48:18,482 INFO L87 Difference]: Start difference. First operand 757 states and 968 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-02 10:48:18,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:18,716 INFO L93 Difference]: Finished difference Result 1497 states and 1929 transitions. [2023-04-02 10:48:18,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 10:48:18,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) Word has length 375 [2023-04-02 10:48:18,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:18,720 INFO L225 Difference]: With dead ends: 1497 [2023-04-02 10:48:18,720 INFO L226 Difference]: Without dead ends: 768 [2023-04-02 10:48:18,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-04-02 10:48:18,722 INFO L413 NwaCegarLoop]: 736 mSDtfsCounter, 7 mSDsluCounter, 4372 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5108 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:18,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5108 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 10:48:18,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2023-04-02 10:48:18,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 764. [2023-04-02 10:48:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 538 states have (on average 1.2936802973977695) internal successors, (696), 552 states have internal predecessors, (696), 140 states have call successors, (140), 88 states have call predecessors, (140), 85 states have return successors, (146), 136 states have call predecessors, (146), 138 states have call successors, (146) [2023-04-02 10:48:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 982 transitions. [2023-04-02 10:48:18,881 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 982 transitions. Word has length 375 [2023-04-02 10:48:18,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:18,882 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 982 transitions. [2023-04-02 10:48:18,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 6 states have internal predecessors, (178), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-02 10:48:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 982 transitions. [2023-04-02 10:48:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-04-02 10:48:18,885 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:18,885 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:48:18,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 10:48:19,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-02 10:48:19,120 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:19,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1638753606, now seen corresponding path program 1 times [2023-04-02 10:48:19,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:19,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832750438] [2023-04-02 10:48:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:48:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:48:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:48:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 10:48:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 10:48:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-04-02 10:48:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-02 10:48:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-04-02 10:48:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-04-02 10:48:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-04-02 10:48:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:20,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832750438] [2023-04-02 10:48:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832750438] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:20,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:48:20,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 10:48:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381336610] [2023-04-02 10:48:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:20,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 10:48:20,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 10:48:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:48:20,094 INFO L87 Difference]: Start difference. First operand 764 states and 982 transitions. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-02 10:48:26,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:26,861 INFO L93 Difference]: Finished difference Result 1714 states and 2274 transitions. [2023-04-02 10:48:26,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 10:48:26,862 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 384 [2023-04-02 10:48:26,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:26,866 INFO L225 Difference]: With dead ends: 1714 [2023-04-02 10:48:26,866 INFO L226 Difference]: Without dead ends: 978 [2023-04-02 10:48:26,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-04-02 10:48:26,868 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1193 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 4133 mSolverCounterSat, 867 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 867 IncrementalHoareTripleChecker+Valid, 4133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:26,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 873 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [867 Valid, 4133 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-02 10:48:26,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2023-04-02 10:48:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 768. [2023-04-02 10:48:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 541 states have (on average 1.2920517560073936) internal successors, (699), 555 states have internal predecessors, (699), 140 states have call successors, (140), 88 states have call predecessors, (140), 86 states have return successors, (147), 137 states have call predecessors, (147), 138 states have call successors, (147) [2023-04-02 10:48:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 986 transitions. [2023-04-02 10:48:27,033 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 986 transitions. Word has length 384 [2023-04-02 10:48:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:27,033 INFO L495 AbstractCegarLoop]: Abstraction has 768 states and 986 transitions. [2023-04-02 10:48:27,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-02 10:48:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 986 transitions. [2023-04-02 10:48:27,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-04-02 10:48:27,037 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:27,037 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:27,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 10:48:27,037 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:27,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:27,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1037777171, now seen corresponding path program 1 times [2023-04-02 10:48:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173225976] [2023-04-02 10:48:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:48:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 10:48:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 10:48:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 10:48:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-04-02 10:48:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-04-02 10:48:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-04-02 10:48:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-04-02 10:48:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-04-02 10:48:28,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:28,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173225976] [2023-04-02 10:48:28,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173225976] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:28,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:48:28,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 10:48:28,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545561162] [2023-04-02 10:48:28,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:28,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 10:48:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:28,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 10:48:28,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:48:28,018 INFO L87 Difference]: Start difference. First operand 768 states and 986 transitions. Second operand has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-02 10:48:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:35,971 INFO L93 Difference]: Finished difference Result 1722 states and 2282 transitions. [2023-04-02 10:48:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 10:48:35,971 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 401 [2023-04-02 10:48:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:35,975 INFO L225 Difference]: With dead ends: 1722 [2023-04-02 10:48:35,975 INFO L226 Difference]: Without dead ends: 982 [2023-04-02 10:48:35,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:48:35,977 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 1216 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 5246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:35,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 947 Invalid, 5246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 10:48:35,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2023-04-02 10:48:36,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 768. [2023-04-02 10:48:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 541 states have (on average 1.2920517560073936) internal successors, (699), 555 states have internal predecessors, (699), 140 states have call successors, (140), 88 states have call predecessors, (140), 86 states have return successors, (147), 137 states have call predecessors, (147), 138 states have call successors, (147) [2023-04-02 10:48:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 986 transitions. [2023-04-02 10:48:36,127 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 986 transitions. Word has length 401 [2023-04-02 10:48:36,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:36,128 INFO L495 AbstractCegarLoop]: Abstraction has 768 states and 986 transitions. [2023-04-02 10:48:36,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-02 10:48:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 986 transitions. [2023-04-02 10:48:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-04-02 10:48:36,131 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:36,131 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:36,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 10:48:36,132 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:36,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 971147274, now seen corresponding path program 1 times [2023-04-02 10:48:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:36,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454196570] [2023-04-02 10:48:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:48:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:48:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:48:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-04-02 10:48:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 10:48:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-04-02 10:48:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-04-02 10:48:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2023-04-02 10:48:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-04-02 10:48:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-04-02 10:48:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454196570] [2023-04-02 10:48:36,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454196570] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698905949] [2023-04-02 10:48:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:36,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:36,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:36,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:36,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 10:48:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:37,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 3168 conjuncts, 22 conjunts are in the unsatisfiable core [2023-04-02 10:48:37,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-04-02 10:48:37,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:37,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698905949] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:37,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:37,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2023-04-02 10:48:37,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658564201] [2023-04-02 10:48:37,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:37,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 10:48:37,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:37,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 10:48:37,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:48:37,724 INFO L87 Difference]: Start difference. First operand 768 states and 986 transitions. Second operand has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-02 10:48:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:37,946 INFO L93 Difference]: Finished difference Result 1512 states and 1950 transitions. [2023-04-02 10:48:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 10:48:37,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 409 [2023-04-02 10:48:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:37,949 INFO L225 Difference]: With dead ends: 1512 [2023-04-02 10:48:37,949 INFO L226 Difference]: Without dead ends: 772 [2023-04-02 10:48:37,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:48:37,951 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 5 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:37,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3660 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:48:37,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-04-02 10:48:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 770. [2023-04-02 10:48:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 543 states have (on average 1.29097605893186) internal successors, (701), 556 states have internal predecessors, (701), 140 states have call successors, (140), 88 states have call predecessors, (140), 86 states have return successors, (147), 138 states have call predecessors, (147), 138 states have call successors, (147) [2023-04-02 10:48:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 988 transitions. [2023-04-02 10:48:38,095 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 988 transitions. Word has length 409 [2023-04-02 10:48:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:38,095 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 988 transitions. [2023-04-02 10:48:38,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-02 10:48:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 988 transitions. [2023-04-02 10:48:38,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-04-02 10:48:38,098 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:38,098 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:48:38,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 10:48:38,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-04-02 10:48:38,313 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:38,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:38,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1377202647, now seen corresponding path program 1 times [2023-04-02 10:48:38,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:38,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830938676] [2023-04-02 10:48:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:48:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 10:48:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 10:48:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-04-02 10:48:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-04-02 10:48:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-04-02 10:48:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-04-02 10:48:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-02 10:48:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-04-02 10:48:39,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830938676] [2023-04-02 10:48:39,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830938676] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:39,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386281633] [2023-04-02 10:48:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:39,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:39,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:39,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:39,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 10:48:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:39,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 3165 conjuncts, 27 conjunts are in the unsatisfiable core [2023-04-02 10:48:39,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-04-02 10:48:40,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:40,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386281633] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:40,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:40,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-04-02 10:48:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397798597] [2023-04-02 10:48:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:40,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:48:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:40,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:48:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:48:40,008 INFO L87 Difference]: Start difference. First operand 770 states and 988 transitions. Second operand has 11 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (47), 6 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-02 10:48:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:40,430 INFO L93 Difference]: Finished difference Result 1585 states and 2065 transitions. [2023-04-02 10:48:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 10:48:40,440 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (47), 6 states have call predecessors, (47), 4 states have call successors, (47) Word has length 404 [2023-04-02 10:48:40,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:40,443 INFO L225 Difference]: With dead ends: 1585 [2023-04-02 10:48:40,443 INFO L226 Difference]: Without dead ends: 843 [2023-04-02 10:48:40,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2023-04-02 10:48:40,445 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 56 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 7006 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:40,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 7006 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 10:48:40,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2023-04-02 10:48:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 772. [2023-04-02 10:48:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 545 states have (on average 1.2899082568807339) internal successors, (703), 557 states have internal predecessors, (703), 140 states have call successors, (140), 88 states have call predecessors, (140), 86 states have return successors, (147), 139 states have call predecessors, (147), 138 states have call successors, (147) [2023-04-02 10:48:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 990 transitions. [2023-04-02 10:48:40,630 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 990 transitions. Word has length 404 [2023-04-02 10:48:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:40,630 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 990 transitions. [2023-04-02 10:48:40,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (47), 6 states have call predecessors, (47), 4 states have call successors, (47) [2023-04-02 10:48:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 990 transitions. [2023-04-02 10:48:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-04-02 10:48:40,633 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:40,633 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:40,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 10:48:40,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:40,846 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:40,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1397340403, now seen corresponding path program 1 times [2023-04-02 10:48:40,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:40,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573719635] [2023-04-02 10:48:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:40,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:48:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:48:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 10:48:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-04-02 10:48:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:48:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-04-02 10:48:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-04-02 10:48:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-04-02 10:48:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-04-02 10:48:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-04-02 10:48:41,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:41,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573719635] [2023-04-02 10:48:41,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573719635] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:41,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95649834] [2023-04-02 10:48:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:41,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:41,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:41,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:41,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 10:48:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:42,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 3203 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:48:42,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-04-02 10:48:42,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:42,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95649834] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:42,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:42,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2023-04-02 10:48:42,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017392545] [2023-04-02 10:48:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:42,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 10:48:42,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:42,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 10:48:42,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:48:42,487 INFO L87 Difference]: Start difference. First operand 772 states and 990 transitions. Second operand has 6 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-02 10:48:42,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:42,694 INFO L93 Difference]: Finished difference Result 1516 states and 1957 transitions. [2023-04-02 10:48:42,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 10:48:42,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 410 [2023-04-02 10:48:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:42,697 INFO L225 Difference]: With dead ends: 1516 [2023-04-02 10:48:42,697 INFO L226 Difference]: Without dead ends: 772 [2023-04-02 10:48:42,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:48:42,699 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 21 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3682 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:42,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3682 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:48:42,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-04-02 10:48:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2023-04-02 10:48:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 545 states have (on average 1.2862385321100918) internal successors, (701), 557 states have internal predecessors, (701), 140 states have call successors, (140), 88 states have call predecessors, (140), 86 states have return successors, (147), 139 states have call predecessors, (147), 138 states have call successors, (147) [2023-04-02 10:48:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 988 transitions. [2023-04-02 10:48:42,851 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 988 transitions. Word has length 410 [2023-04-02 10:48:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:42,851 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 988 transitions. [2023-04-02 10:48:42,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-02 10:48:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 988 transitions. [2023-04-02 10:48:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-04-02 10:48:42,854 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:42,854 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:42,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-02 10:48:43,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:43,071 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:43,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash 401791341, now seen corresponding path program 1 times [2023-04-02 10:48:43,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:43,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394435439] [2023-04-02 10:48:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:43,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:48:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 10:48:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 10:48:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-04-02 10:48:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-04-02 10:48:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-04-02 10:48:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-04-02 10:48:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-04-02 10:48:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-04-02 10:48:43,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:43,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394435439] [2023-04-02 10:48:43,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394435439] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:43,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230948939] [2023-04-02 10:48:43,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:43,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:43,752 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:43,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-02 10:48:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:44,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 41 conjunts are in the unsatisfiable core [2023-04-02 10:48:44,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-04-02 10:48:44,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:44,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230948939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:44,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:44,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-04-02 10:48:44,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533544393] [2023-04-02 10:48:44,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 10:48:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 10:48:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:48:44,740 INFO L87 Difference]: Start difference. First operand 772 states and 988 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 10:48:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:44,911 INFO L93 Difference]: Finished difference Result 1522 states and 1955 transitions. [2023-04-02 10:48:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 10:48:44,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 407 [2023-04-02 10:48:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:44,915 INFO L225 Difference]: With dead ends: 1522 [2023-04-02 10:48:44,915 INFO L226 Difference]: Without dead ends: 778 [2023-04-02 10:48:44,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:48:44,917 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:48:44,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2978 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:48:44,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-04-02 10:48:45,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 776. [2023-04-02 10:48:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 548 states have (on average 1.2846715328467153) internal successors, (704), 560 states have internal predecessors, (704), 140 states have call successors, (140), 88 states have call predecessors, (140), 87 states have return successors, (148), 140 states have call predecessors, (148), 138 states have call successors, (148) [2023-04-02 10:48:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 992 transitions. [2023-04-02 10:48:45,086 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 992 transitions. Word has length 407 [2023-04-02 10:48:45,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:45,086 INFO L495 AbstractCegarLoop]: Abstraction has 776 states and 992 transitions. [2023-04-02 10:48:45,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 10:48:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 992 transitions. [2023-04-02 10:48:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-04-02 10:48:45,089 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:45,089 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:45,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-02 10:48:45,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:45,307 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:45,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 634505834, now seen corresponding path program 1 times [2023-04-02 10:48:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:45,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034055095] [2023-04-02 10:48:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:45,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:48:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 10:48:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 10:48:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:48:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-04-02 10:48:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-04-02 10:48:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-04-02 10:48:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-04-02 10:48:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-04-02 10:48:45,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034055095] [2023-04-02 10:48:45,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034055095] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017427889] [2023-04-02 10:48:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:45,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:45,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:45,993 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:45,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-02 10:48:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:47,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 3213 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 10:48:47,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-04-02 10:48:47,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:48:47,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017427889] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:48:47,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:48:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:48:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870264420] [2023-04-02 10:48:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:48:47,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:48:47,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:48:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:48:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:48:47,080 INFO L87 Difference]: Start difference. First operand 776 states and 992 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-02 10:48:47,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:48:47,233 INFO L93 Difference]: Finished difference Result 1527 states and 1960 transitions. [2023-04-02 10:48:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:48:47,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 411 [2023-04-02 10:48:47,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:48:47,236 INFO L225 Difference]: With dead ends: 1527 [2023-04-02 10:48:47,236 INFO L226 Difference]: Without dead ends: 779 [2023-04-02 10:48:47,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:48:47,238 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 2 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1492 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 10:48:47,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1492 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:48:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-04-02 10:48:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 777. [2023-04-02 10:48:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 549 states have (on average 1.284153005464481) internal successors, (705), 561 states have internal predecessors, (705), 140 states have call successors, (140), 88 states have call predecessors, (140), 87 states have return successors, (148), 140 states have call predecessors, (148), 138 states have call successors, (148) [2023-04-02 10:48:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 993 transitions. [2023-04-02 10:48:47,403 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 993 transitions. Word has length 411 [2023-04-02 10:48:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:48:47,404 INFO L495 AbstractCegarLoop]: Abstraction has 777 states and 993 transitions. [2023-04-02 10:48:47,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-04-02 10:48:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 993 transitions. [2023-04-02 10:48:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2023-04-02 10:48:47,407 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:48:47,407 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 10:48:47,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-04-02 10:48:47,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-04-02 10:48:47,621 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:48:47,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:48:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 610109706, now seen corresponding path program 1 times [2023-04-02 10:48:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:48:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189035750] [2023-04-02 10:48:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:48:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:48:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:48:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 10:48:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 10:48:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 10:48:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:48:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:48:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:48:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:48:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:48:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:48:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 10:48:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:48:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 10:48:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:48:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 10:48:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:48:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-04-02 10:48:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-02 10:48:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:48:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 10:48:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 10:48:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 10:48:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-04-02 10:48:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:48:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-04-02 10:48:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-04-02 10:48:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:48:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:48:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-04-02 10:48:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-04-02 10:48:48,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:48:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189035750] [2023-04-02 10:48:48,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189035750] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:48:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504706750] [2023-04-02 10:48:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:48:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:48:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:48:48,331 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:48:48,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-02 10:48:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:48:49,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 142 conjunts are in the unsatisfiable core [2023-04-02 10:48:49,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:48:49,760 INFO L321 Elim1Store]: treesize reduction 348, result has 14.3 percent of original size [2023-04-02 10:48:49,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 24 case distinctions, treesize of input 106 treesize of output 138 [2023-04-02 10:48:51,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-04-02 10:48:51,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:51,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:51,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:51,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:53,495 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2023-04-02 10:48:53,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 30 [2023-04-02 10:48:53,543 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2023-04-02 10:48:53,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 30 [2023-04-02 10:48:53,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-04-02 10:48:53,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-04-02 10:48:54,981 INFO L321 Elim1Store]: treesize reduction 171, result has 29.0 percent of original size [2023-04-02 10:48:54,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 36 treesize of output 87 [2023-04-02 10:48:57,176 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 10:48:57,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-04-02 10:48:57,193 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 10:48:57,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-04-02 10:48:57,254 INFO L321 Elim1Store]: treesize reduction 36, result has 55.6 percent of original size [2023-04-02 10:48:57,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 81 [2023-04-02 10:48:57,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:57,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-04-02 10:48:57,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:57,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-04-02 10:48:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 60 proven. 46 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-04-02 10:48:58,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 10:48:58,447 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6281 (Array Int Int)) (v_ArrVal_6280 (Array Int Int))) (not (= (mod (+ |c_~#adapters_list_g~0.base| |c_~#adapters_list_g~0.offset|) 4294967296) (mod (+ (select (select (store |c_#memory_$Pointer$.offset| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_6281) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|) 4294943323 (select (select (store |c_#memory_$Pointer$.base| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_6280) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|)) 4294967296)))) is different from false [2023-04-02 10:49:02,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504706750] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:49:02,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-02 10:49:02,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 24] total 36 [2023-04-02 10:49:02,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68517933] [2023-04-02 10:49:02,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-02 10:49:02,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-02 10:49:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:49:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-02 10:49:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1400, Unknown=71, NotChecked=78, Total=1722 [2023-04-02 10:49:02,688 INFO L87 Difference]: Start difference. First operand 777 states and 993 transitions. Second operand has 36 states, 36 states have (on average 9.777777777777779) internal successors, (352), 25 states have internal predecessors, (352), 14 states have call successors, (105), 19 states have call predecessors, (105), 13 states have return successors, (94), 17 states have call predecessors, (94), 13 states have call successors, (94) [2023-04-02 10:49:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:07,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:11,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:13,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:15,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:17,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:19,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:22,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:26,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:28,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:30,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:32,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:34,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:36,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:49:38,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:03,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:06,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:08,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:10,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:12,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:14,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:23,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:25,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:27,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:29,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:31,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:33,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:35,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:37,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:39,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:41,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:43,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-02 10:50:45,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]