/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-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 08:42:32,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:42:32,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:42:32,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:42:32,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:42:32,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:42:32,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:42:32,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:42:32,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:42:32,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:42:32,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:42:32,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:42:32,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:42:32,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:42:32,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:42:32,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:42:32,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:42:32,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:42:32,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:42:32,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:42:32,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:42:32,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:42:32,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:42:32,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:42:32,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 08:42:32,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:42:32,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:42:32,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:42:32,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:42:32,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:42:32,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:42:32,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:42:32,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:42:32,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:42:32,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:42:32,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:42:32,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 08:42:32,948 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:42:32,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:42:32,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:42:32,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:42:32,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:42:32,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:42:32,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:42:32,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:42:32,951 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:42:32,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:42:32,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:42:32,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:42:32,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:42:32,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:42:32,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:42:32,955 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:42:32,955 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:42:33,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:42:33,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:42:33,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:42:33,210 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:42:33,211 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:42:33,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 08:42:34,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:42:34,970 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:42:34,970 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 08:42:35,009 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884a58613/d6dcac65393644599f3ecc32acee98cd/FLAGd603498bc [2023-04-02 08:42:35,026 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884a58613/d6dcac65393644599f3ecc32acee98cd [2023-04-02 08:42:35,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:42:35,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:42:35,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:42:35,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:42:35,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:42:35,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:42:35" (1/1) ... [2023-04-02 08:42:35,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ecb152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:35, skipping insertion in model container [2023-04-02 08:42:35,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:42:35" (1/1) ... [2023-04-02 08:42:35,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:42:35,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:42:35,526 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-02 08:42:35,526 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2023-04-02 08:42:35,783 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2023-04-02 08:42:36,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:42:36,365 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:42:36,434 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-02 08:42:36,434 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2023-04-02 08:42:36,444 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2023-04-02 08:42:36,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:42:36,599 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:42:36,605 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:42:36,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36 WrapperNode [2023-04-02 08:42:36,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:42:36,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:42:36,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:42:36,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:42:36,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:42:36,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:42:36,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:42:36,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:42:36,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (1/1) ... [2023-04-02 08:42:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:42:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:42:36,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 08:42:36,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-02 08:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2023-04-02 08:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2023-04-02 08:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2023-04-02 08:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2023-04-02 08:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-02 08:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-04-02 08:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-02 08:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-02 08:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_20 [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_21 [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_22 [2023-04-02 08:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_23 [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_24 [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_25 [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-02 08:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-02 08:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 08:42:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:42:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-02 08:42:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-02 08:42:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 08:42:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-02 08:42:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 08:42:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 08:42:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 08:42:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:42:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-02 08:42:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 08:42:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:42:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 08:42:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 08:42:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 08:42:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:42:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_21 [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-02 08:42:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-02 08:42:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure down [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-02 08:42:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_20 [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_22 [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_23 [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_24 [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_25 [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2023-04-02 08:42:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2023-04-02 08:42:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:42:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 08:42:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 08:42:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 08:42:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 08:42:37,331 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:42:37,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:42:37,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 08:42:41,362 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:42:41,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:42:41,383 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 08:42:41,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:42:41 BoogieIcfgContainer [2023-04-02 08:42:41,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:42:41,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:42:41,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:42:41,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:42:41,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:42:35" (1/3) ... [2023-04-02 08:42:41,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdce940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:42:41, skipping insertion in model container [2023-04-02 08:42:41,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:42:36" (2/3) ... [2023-04-02 08:42:41,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdce940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:42:41, skipping insertion in model container [2023-04-02 08:42:41,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:42:41" (3/3) ... [2023-04-02 08:42:41,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-02 08:42:41,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:42:41,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:42:41,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:42:41,484 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;@5bad7c4d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:42:41,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:42:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 831 states, 552 states have (on average 1.309782608695652) internal successors, (723), 568 states have internal predecessors, (723), 175 states have call successors, (175), 94 states have call predecessors, (175), 93 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-02 08:42:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 08:42:41,513 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:42:41,514 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-04-02 08:42:41,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:42:41,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:42:41,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1174262183, now seen corresponding path program 1 times [2023-04-02 08:42:41,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:42:41,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822863109] [2023-04-02 08:42:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:42:41,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:42:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:42:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:42:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:42:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 08:42:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 08:42:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 08:42:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:42:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:42:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:42:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 08:42:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 08:42:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:42:42,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822863109] [2023-04-02 08:42:42,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822863109] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:42:42,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:42:42,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:42:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261038] [2023-04-02 08:42:42,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:42:42,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:42:42,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:42:42,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:42:42,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:42:42,605 INFO L87 Difference]: Start difference. First operand has 831 states, 552 states have (on average 1.309782608695652) internal successors, (723), 568 states have internal predecessors, (723), 175 states have call successors, (175), 94 states have call predecessors, (175), 93 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 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:42:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:42:49,945 INFO L93 Difference]: Finished difference Result 1530 states and 2089 transitions. [2023-04-02 08:42:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 08:42:49,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2023-04-02 08:42:49,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:42:49,965 INFO L225 Difference]: With dead ends: 1530 [2023-04-02 08:42:49,965 INFO L226 Difference]: Without dead ends: 847 [2023-04-02 08:42:49,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:42:49,977 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1193 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 3271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:42:49,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 574 Invalid, 3271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [708 Valid, 2563 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-02 08:42:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2023-04-02 08:42:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 632. [2023-04-02 08:42:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 431 states have (on average 1.3294663573085848) internal successors, (573), 442 states have internal predecessors, (573), 125 states have call successors, (125), 78 states have call predecessors, (125), 75 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2023-04-02 08:42:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 821 transitions. [2023-04-02 08:42:50,207 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 821 transitions. Word has length 172 [2023-04-02 08:42:50,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:42:50,207 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 821 transitions. [2023-04-02 08:42:50,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:42:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 821 transitions. [2023-04-02 08:42:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 08:42:50,219 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:42:50,219 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 08:42:50,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:42:50,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:42:50,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:42:50,220 INFO L85 PathProgramCache]: Analyzing trace with hash -651359890, now seen corresponding path program 1 times [2023-04-02 08:42:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:42:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456862779] [2023-04-02 08:42:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:42:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:42:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:42:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:42:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:42:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:42:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:42:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:42:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 08:42:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 08:42:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 08:42:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 08:42:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 08:42:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:42:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:42:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 08:42:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 08:42:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-04-02 08:42:51,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:42:51,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456862779] [2023-04-02 08:42:51,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456862779] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:42:51,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:42:51,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 08:42:51,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783820355] [2023-04-02 08:42:51,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:42:51,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 08:42:51,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:42:51,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 08:42:51,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:42:51,146 INFO L87 Difference]: Start difference. First operand 632 states and 821 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (35), 11 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-04-02 08:42:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:42:57,652 INFO L93 Difference]: Finished difference Result 1461 states and 1974 transitions. [2023-04-02 08:42:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 08:42:57,653 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (35), 11 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 225 [2023-04-02 08:42:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:42:57,658 INFO L225 Difference]: With dead ends: 1461 [2023-04-02 08:42:57,658 INFO L226 Difference]: Without dead ends: 839 [2023-04-02 08:42:57,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2023-04-02 08:42:57,665 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1851 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 1040 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 3479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1040 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:42:57,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 483 Invalid, 3479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1040 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-02 08:42:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-04-02 08:42:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 632. [2023-04-02 08:42:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 431 states have (on average 1.308584686774942) internal successors, (564), 442 states have internal predecessors, (564), 125 states have call successors, (125), 78 states have call predecessors, (125), 75 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2023-04-02 08:42:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 812 transitions. [2023-04-02 08:42:57,889 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 812 transitions. Word has length 225 [2023-04-02 08:42:57,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:42:57,891 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 812 transitions. [2023-04-02 08:42:57,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (35), 11 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-04-02 08:42:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 812 transitions. [2023-04-02 08:42:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-02 08:42:57,904 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:42:57,904 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:42:57,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:42:57,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:42:57,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:42:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash -814687490, now seen corresponding path program 1 times [2023-04-02 08:42:57,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:42:57,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538023571] [2023-04-02 08:42:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:42:57,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:42:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:42:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:42:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:42:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:42:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:42:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:42:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:42:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:42:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 08:42:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 08:42:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 08:42:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 08:42:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:42:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:42:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:42:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:42:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 08:42:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:42:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:42:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:42:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 08:42:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:42:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-02 08:42:58,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:42:58,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538023571] [2023-04-02 08:42:58,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538023571] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:42:58,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:42:58,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:42:58,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075544609] [2023-04-02 08:42:58,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:42:58,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:42:58,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:42:58,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:42:58,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:42:58,611 INFO L87 Difference]: Start difference. First operand 632 states and 812 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (37), 10 states have call predecessors, (37), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-02 08:43:05,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:05,438 INFO L93 Difference]: Finished difference Result 1560 states and 2080 transitions. [2023-04-02 08:43:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 08:43:05,439 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (37), 10 states have call predecessors, (37), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 233 [2023-04-02 08:43:05,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:05,444 INFO L225 Difference]: With dead ends: 1560 [2023-04-02 08:43:05,444 INFO L226 Difference]: Without dead ends: 938 [2023-04-02 08:43:05,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2023-04-02 08:43:05,447 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1599 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 2959 mSolverCounterSat, 1159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 4118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 2959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:05,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 642 Invalid, 4118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2959 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-02 08:43:05,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-04-02 08:43:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 693. [2023-04-02 08:43:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 478 states have (on average 1.3054393305439331) internal successors, (624), 491 states have internal predecessors, (624), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 886 transitions. [2023-04-02 08:43:05,658 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 886 transitions. Word has length 233 [2023-04-02 08:43:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:05,659 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 886 transitions. [2023-04-02 08:43:05,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (37), 10 states have call predecessors, (37), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-02 08:43:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 886 transitions. [2023-04-02 08:43:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-04-02 08:43:05,665 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:05,665 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:05,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:43:05,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:05,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:05,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1329928077, now seen corresponding path program 1 times [2023-04-02 08:43:05,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:05,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543988071] [2023-04-02 08:43:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:05,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 08:43:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 08:43:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 08:43:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 08:43:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 08:43:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 08:43:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-02 08:43:06,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:06,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543988071] [2023-04-02 08:43:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543988071] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:06,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:43:06,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:43:06,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025212712] [2023-04-02 08:43:06,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:06,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:43:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:43:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:43:06,294 INFO L87 Difference]: Start difference. First operand 693 states and 886 transitions. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (39), 10 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 08:43:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:12,913 INFO L93 Difference]: Finished difference Result 1615 states and 2136 transitions. [2023-04-02 08:43:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 08:43:12,914 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (39), 10 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 255 [2023-04-02 08:43:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:12,919 INFO L225 Difference]: With dead ends: 1615 [2023-04-02 08:43:12,919 INFO L226 Difference]: Without dead ends: 932 [2023-04-02 08:43:12,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:12,922 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 1714 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 2659 mSolverCounterSat, 1119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 3778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1119 IncrementalHoareTripleChecker+Valid, 2659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:12,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 576 Invalid, 3778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1119 Valid, 2659 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-02 08:43:12,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2023-04-02 08:43:13,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 694. [2023-04-02 08:43:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 479 states have (on average 1.3048016701461378) internal successors, (625), 492 states have internal predecessors, (625), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 887 transitions. [2023-04-02 08:43:13,094 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 887 transitions. Word has length 255 [2023-04-02 08:43:13,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:13,095 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 887 transitions. [2023-04-02 08:43:13,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (39), 10 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 08:43:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 887 transitions. [2023-04-02 08:43:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-04-02 08:43:13,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:13,099 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:13,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:43:13,099 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:13,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:13,100 INFO L85 PathProgramCache]: Analyzing trace with hash 852629330, now seen corresponding path program 1 times [2023-04-02 08:43:13,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:13,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725458403] [2023-04-02 08:43:13,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 08:43:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 08:43:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 08:43:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 08:43:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 08:43:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 08:43:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-02 08:43:13,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:13,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725458403] [2023-04-02 08:43:13,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725458403] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:13,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:43:13,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:43:13,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391302884] [2023-04-02 08:43:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:13,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:43:13,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:13,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:43:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:43:13,660 INFO L87 Difference]: Start difference. First operand 694 states and 887 transitions. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (39), 10 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 08:43:20,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:20,748 INFO L93 Difference]: Finished difference Result 1615 states and 2140 transitions. [2023-04-02 08:43:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 08:43:20,748 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (39), 10 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 255 [2023-04-02 08:43:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:20,754 INFO L225 Difference]: With dead ends: 1615 [2023-04-02 08:43:20,754 INFO L226 Difference]: Without dead ends: 931 [2023-04-02 08:43:20,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:20,757 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 1371 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 4272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:20,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 673 Invalid, 4272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 3521 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 08:43:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2023-04-02 08:43:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 695. [2023-04-02 08:43:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 480 states have (on average 1.3041666666666667) internal successors, (626), 493 states have internal predecessors, (626), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 888 transitions. [2023-04-02 08:43:20,900 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 888 transitions. Word has length 255 [2023-04-02 08:43:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:20,901 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 888 transitions. [2023-04-02 08:43:20,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (39), 10 states have call predecessors, (39), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 08:43:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 888 transitions. [2023-04-02 08:43:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-04-02 08:43:20,905 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:20,905 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:20,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:43:20,906 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:20,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:20,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1603587597, now seen corresponding path program 1 times [2023-04-02 08:43:20,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:20,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695067911] [2023-04-02 08:43:20,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:20,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 08:43:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 08:43:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 08:43:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 08:43:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 08:43:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 08:43:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-04-02 08:43:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-02 08:43:21,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:21,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695067911] [2023-04-02 08:43:21,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695067911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:21,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:43:21,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:43:21,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799112967] [2023-04-02 08:43:21,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:21,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:43:21,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:43:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:43:21,576 INFO L87 Difference]: Start difference. First operand 695 states and 888 transitions. Second operand has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 08:43:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:28,807 INFO L93 Difference]: Finished difference Result 1630 states and 2166 transitions. [2023-04-02 08:43:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 08:43:28,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 262 [2023-04-02 08:43:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:28,813 INFO L225 Difference]: With dead ends: 1630 [2023-04-02 08:43:28,813 INFO L226 Difference]: Without dead ends: 945 [2023-04-02 08:43:28,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:28,817 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 962 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3759 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 4319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 3759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:28,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 682 Invalid, 4319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 3759 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 08:43:28,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2023-04-02 08:43:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 696. [2023-04-02 08:43:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 481 states have (on average 1.3035343035343034) internal successors, (627), 494 states have internal predecessors, (627), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 889 transitions. [2023-04-02 08:43:28,950 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 889 transitions. Word has length 262 [2023-04-02 08:43:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:28,950 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 889 transitions. [2023-04-02 08:43:28,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 08:43:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 889 transitions. [2023-04-02 08:43:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-02 08:43:28,954 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:28,955 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:28,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 08:43:28,955 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:28,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:28,955 INFO L85 PathProgramCache]: Analyzing trace with hash -706141872, now seen corresponding path program 1 times [2023-04-02 08:43:28,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:28,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672465472] [2023-04-02 08:43:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:28,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 08:43:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 08:43:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 08:43:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 08:43:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 08:43:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 08:43:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-04-02 08:43:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-04-02 08:43:29,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:29,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672465472] [2023-04-02 08:43:29,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672465472] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:29,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:43:29,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:43:29,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873333535] [2023-04-02 08:43:29,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:29,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:43:29,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:29,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:43:29,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:43:29,579 INFO L87 Difference]: Start difference. First operand 696 states and 889 transitions. Second operand has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 08:43:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:35,635 INFO L93 Difference]: Finished difference Result 1619 states and 2147 transitions. [2023-04-02 08:43:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 08:43:35,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 266 [2023-04-02 08:43:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:35,641 INFO L225 Difference]: With dead ends: 1619 [2023-04-02 08:43:35,641 INFO L226 Difference]: Without dead ends: 933 [2023-04-02 08:43:35,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:35,644 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 960 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 3234 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 3234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:35,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 604 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 3234 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-02 08:43:35,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2023-04-02 08:43:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 702. [2023-04-02 08:43:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 487 states have (on average 1.3039014373716633) internal successors, (635), 500 states have internal predecessors, (635), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:35,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 897 transitions. [2023-04-02 08:43:35,808 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 897 transitions. Word has length 266 [2023-04-02 08:43:35,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:35,808 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 897 transitions. [2023-04-02 08:43:35,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (40), 10 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 08:43:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 897 transitions. [2023-04-02 08:43:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-04-02 08:43:35,812 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:35,812 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:35,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 08:43:35,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:35,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash -278482213, now seen corresponding path program 1 times [2023-04-02 08:43:35,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:35,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698431759] [2023-04-02 08:43:35,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:35,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 08:43:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 08:43:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 08:43:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 08:43:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 08:43:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 08:43:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 08:43:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 08:43:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-04-02 08:43:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:36,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698431759] [2023-04-02 08:43:36,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698431759] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:43:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109125560] [2023-04-02 08:43:36,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:36,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:43:36,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:43:36,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 08:43:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:37,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 08:43:37,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:43:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-04-02 08:43:37,124 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:43:37,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109125560] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:37,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:43:37,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-04-02 08:43:37,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760439817] [2023-04-02 08:43:37,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:37,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 08:43:37,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 08:43:37,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-04-02 08:43:37,127 INFO L87 Difference]: Start difference. First operand 702 states and 897 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-04-02 08:43:37,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:37,339 INFO L93 Difference]: Finished difference Result 706 states and 901 transitions. [2023-04-02 08:43:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 08:43:37,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 282 [2023-04-02 08:43:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:37,343 INFO L225 Difference]: With dead ends: 706 [2023-04-02 08:43:37,343 INFO L226 Difference]: Without dead ends: 703 [2023-04-02 08:43:37,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-04-02 08:43:37,345 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 0 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:37,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1513 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:43:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-04-02 08:43:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2023-04-02 08:43:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 488 states have (on average 1.3032786885245902) internal successors, (636), 501 states have internal predecessors, (636), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-02 08:43:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 898 transitions. [2023-04-02 08:43:37,511 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 898 transitions. Word has length 282 [2023-04-02 08:43:37,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:37,511 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 898 transitions. [2023-04-02 08:43:37,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-04-02 08:43:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 898 transitions. [2023-04-02 08:43:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-04-02 08:43:37,515 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:37,515 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:37,530 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 08:43:37,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:37,730 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:37,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash 951016179, now seen corresponding path program 1 times [2023-04-02 08:43:37,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:37,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035087742] [2023-04-02 08:43:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:37,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:43:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 08:43:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 08:43:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 08:43:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 08:43:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 08:43:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 08:43:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 08:43:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-04-02 08:43:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-04-02 08:43:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 08:43:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:38,427 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-04-02 08:43:38,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:38,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035087742] [2023-04-02 08:43:38,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035087742] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:43:38,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049393906] [2023-04-02 08:43:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:38,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:38,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:43:38,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:43:38,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 08:43:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:39,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 2496 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-02 08:43:39,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:43:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-04-02 08:43:39,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:43:39,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049393906] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:43:39,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:43:39,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-04-02 08:43:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412830821] [2023-04-02 08:43:39,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:43:39,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 08:43:39,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:39,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 08:43:39,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:43:39,190 INFO L87 Difference]: Start difference. First operand 703 states and 898 transitions. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 08:43:39,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:39,421 INFO L93 Difference]: Finished difference Result 1401 states and 1794 transitions. [2023-04-02 08:43:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:43:39,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 291 [2023-04-02 08:43:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:39,424 INFO L225 Difference]: With dead ends: 1401 [2023-04-02 08:43:39,425 INFO L226 Difference]: Without dead ends: 699 [2023-04-02 08:43:39,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:39,428 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 3 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3773 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:39,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3773 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:43:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2023-04-02 08:43:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2023-04-02 08:43:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 485 states have (on average 1.3030927835051547) internal successors, (632), 498 states have internal predecessors, (632), 131 states have call successors, (131), 86 states have call predecessors, (131), 82 states have return successors, (129), 125 states have call predecessors, (129), 129 states have call successors, (129) [2023-04-02 08:43:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 892 transitions. [2023-04-02 08:43:39,589 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 892 transitions. Word has length 291 [2023-04-02 08:43:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:39,589 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 892 transitions. [2023-04-02 08:43:39,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 08:43:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 892 transitions. [2023-04-02 08:43:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-04-02 08:43:39,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:39,593 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:39,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 08:43:39,802 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,SelfDestructingSolverStorable8 [2023-04-02 08:43:39,803 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:39,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:39,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1379872652, now seen corresponding path program 1 times [2023-04-02 08:43:39,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:39,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659288409] [2023-04-02 08:43:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:43:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:43:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:43:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 08:43:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:43:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 08:43:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 08:43:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 08:43:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-02 08:43:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 08:43:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 08:43:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-04-02 08:43:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:40,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659288409] [2023-04-02 08:43:40,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659288409] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:43:40,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696581434] [2023-04-02 08:43:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:40,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:40,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:43:40,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:43:40,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 08:43:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:41,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 2520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 08:43:41,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:43:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-02 08:43:41,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:43:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-04-02 08:43:41,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696581434] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 08:43:41,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 08:43:41,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 08:43:41,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320847192] [2023-04-02 08:43:41,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 08:43:41,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 08:43:41,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:41,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 08:43:41,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:43:41,492 INFO L87 Difference]: Start difference. First operand 699 states and 892 transitions. Second operand has 16 states, 16 states have (on average 11.0625) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (61), 11 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2023-04-02 08:43:48,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:48,494 INFO L93 Difference]: Finished difference Result 1666 states and 2216 transitions. [2023-04-02 08:43:48,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 08:43:48,495 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (61), 11 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 286 [2023-04-02 08:43:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:48,500 INFO L225 Difference]: With dead ends: 1666 [2023-04-02 08:43:48,500 INFO L226 Difference]: Without dead ends: 977 [2023-04-02 08:43:48,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2023-04-02 08:43:48,503 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1613 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 4900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:48,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 922 Invalid, 4900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-02 08:43:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-04-02 08:43:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 738. [2023-04-02 08:43:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 518 states have (on average 1.303088803088803) internal successors, (675), 533 states have internal predecessors, (675), 137 states have call successors, (137), 86 states have call predecessors, (137), 82 states have return successors, (135), 131 states have call predecessors, (135), 135 states have call successors, (135) [2023-04-02 08:43:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 947 transitions. [2023-04-02 08:43:48,697 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 947 transitions. Word has length 286 [2023-04-02 08:43:48,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:48,698 INFO L495 AbstractCegarLoop]: Abstraction has 738 states and 947 transitions. [2023-04-02 08:43:48,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 7 states have internal predecessors, (177), 5 states have call successors, (61), 11 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2023-04-02 08:43:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 947 transitions. [2023-04-02 08:43:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-04-02 08:43:48,702 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:48,702 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:48,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 08:43:48,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:48,915 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:48,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash -686414253, now seen corresponding path program 1 times [2023-04-02 08:43:48,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:48,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96968374] [2023-04-02 08:43:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:43:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:43:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:43:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 08:43:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:43:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 08:43:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 08:43:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:43:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:43:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:43:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 08:43:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 08:43:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 08:43:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:43:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-04-02 08:43:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-04-02 08:43:49,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:43:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96968374] [2023-04-02 08:43:49,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96968374] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:43:49,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193952092] [2023-04-02 08:43:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:49,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:49,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:43:49,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:43:49,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 08:43:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:50,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 08:43:50,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:43:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-02 08:43:50,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:43:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-04-02 08:43:50,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193952092] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 08:43:50,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 08:43:50,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 7] total 17 [2023-04-02 08:43:50,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239572772] [2023-04-02 08:43:50,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 08:43:50,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 08:43:50,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:43:50,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 08:43:50,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:43:50,701 INFO L87 Difference]: Start difference. First operand 738 states and 947 transitions. Second operand has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (59), 11 states have call predecessors, (59), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 08:43:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:43:58,658 INFO L93 Difference]: Finished difference Result 1724 states and 2296 transitions. [2023-04-02 08:43:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 08:43:58,660 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (59), 11 states have call predecessors, (59), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 298 [2023-04-02 08:43:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:43:58,664 INFO L225 Difference]: With dead ends: 1724 [2023-04-02 08:43:58,664 INFO L226 Difference]: Without dead ends: 996 [2023-04-02 08:43:58,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 671 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2023-04-02 08:43:58,667 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1394 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 5609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 08:43:58,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 1055 Invalid, 5609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 08:43:58,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2023-04-02 08:43:58,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 752. [2023-04-02 08:43:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 530 states have (on average 1.3037735849056604) internal successors, (691), 546 states have internal predecessors, (691), 139 states have call successors, (139), 86 states have call predecessors, (139), 82 states have return successors, (137), 133 states have call predecessors, (137), 137 states have call successors, (137) [2023-04-02 08:43:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 967 transitions. [2023-04-02 08:43:58,858 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 967 transitions. Word has length 298 [2023-04-02 08:43:58,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:43:58,858 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 967 transitions. [2023-04-02 08:43:58,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (59), 11 states have call predecessors, (59), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 08:43:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 967 transitions. [2023-04-02 08:43:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-04-02 08:43:58,862 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:43:58,863 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:43:58,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 08:43:59,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:43:59,074 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:43:59,075 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:43:59,075 INFO L85 PathProgramCache]: Analyzing trace with hash 516577068, now seen corresponding path program 2 times [2023-04-02 08:43:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:43:59,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833871876] [2023-04-02 08:43:59,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:43:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:43:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:43:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:43:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:43:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:43:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:43:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:43:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:43:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:43:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 08:43:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:43:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 08:43:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:43:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:43:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:43:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:43:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 08:44:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 08:44:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-04-02 08:44:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 08:44:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-04-02 08:44:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-04-02 08:44:00,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:00,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833871876] [2023-04-02 08:44:00,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833871876] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:00,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:44:00,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 08:44:00,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798452923] [2023-04-02 08:44:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:00,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 08:44:00,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:00,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 08:44:00,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:44:00,062 INFO L87 Difference]: Start difference. First operand 752 states and 967 transitions. Second operand has 14 states, 14 states have (on average 10.5) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 08:44:07,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:07,742 INFO L93 Difference]: Finished difference Result 1722 states and 2281 transitions. [2023-04-02 08:44:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 08:44:07,743 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.5) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 302 [2023-04-02 08:44:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:07,747 INFO L225 Difference]: With dead ends: 1722 [2023-04-02 08:44:07,747 INFO L226 Difference]: Without dead ends: 980 [2023-04-02 08:44:07,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-04-02 08:44:07,750 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1447 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 4545 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 4545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:07,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 890 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 4545 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 08:44:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2023-04-02 08:44:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 756. [2023-04-02 08:44:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 533 states have (on average 1.302063789868668) internal successors, (694), 549 states have internal predecessors, (694), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 971 transitions. [2023-04-02 08:44:07,952 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 971 transitions. Word has length 302 [2023-04-02 08:44:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:07,953 INFO L495 AbstractCegarLoop]: Abstraction has 756 states and 971 transitions. [2023-04-02 08:44:07,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.5) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 08:44:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 971 transitions. [2023-04-02 08:44:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-04-02 08:44:07,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:07,957 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:07,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 08:44:07,957 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:07,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:07,958 INFO L85 PathProgramCache]: Analyzing trace with hash -147377749, now seen corresponding path program 1 times [2023-04-02 08:44:07,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:07,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144084765] [2023-04-02 08:44:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 08:44:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 08:44:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 08:44:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 08:44:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 08:44:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-04-02 08:44:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-04-02 08:44:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-04-02 08:44:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-04-02 08:44:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:08,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:08,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144084765] [2023-04-02 08:44:08,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144084765] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:08,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:44:08,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 08:44:08,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50643051] [2023-04-02 08:44:08,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:08,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 08:44:08,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 08:44:08,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:44:08,926 INFO L87 Difference]: Start difference. First operand 756 states and 971 transitions. Second operand has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (44), 11 states have call predecessors, (44), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 08:44:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:16,500 INFO L93 Difference]: Finished difference Result 1730 states and 2289 transitions. [2023-04-02 08:44:16,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 08:44:16,500 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (44), 11 states have call predecessors, (44), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 331 [2023-04-02 08:44:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:16,504 INFO L225 Difference]: With dead ends: 1730 [2023-04-02 08:44:16,504 INFO L226 Difference]: Without dead ends: 984 [2023-04-02 08:44:16,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2023-04-02 08:44:16,506 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1290 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 4349 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 5110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 4349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:16,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 959 Invalid, 5110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 4349 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 08:44:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2023-04-02 08:44:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 756. [2023-04-02 08:44:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 533 states have (on average 1.302063789868668) internal successors, (694), 549 states have internal predecessors, (694), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 971 transitions. [2023-04-02 08:44:16,689 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 971 transitions. Word has length 331 [2023-04-02 08:44:16,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:16,690 INFO L495 AbstractCegarLoop]: Abstraction has 756 states and 971 transitions. [2023-04-02 08:44:16,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (44), 11 states have call predecessors, (44), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 08:44:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 971 transitions. [2023-04-02 08:44:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-04-02 08:44:16,694 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:16,694 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:16,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 08:44:16,694 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:16,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1512927810, now seen corresponding path program 1 times [2023-04-02 08:44:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082672934] [2023-04-02 08:44:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 08:44:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:44:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 08:44:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 08:44:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-04-02 08:44:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-04-02 08:44:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-04-02 08:44:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-04-02 08:44:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 08:44:17,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:17,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082672934] [2023-04-02 08:44:17,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082672934] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:17,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:44:17,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 08:44:17,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002164963] [2023-04-02 08:44:17,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:17,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 08:44:17,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:17,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 08:44:17,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:44:17,403 INFO L87 Difference]: Start difference. First operand 756 states and 971 transitions. Second operand has 12 states, 12 states have (on average 12.833333333333334) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (43), 11 states have call predecessors, (43), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:44:23,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:23,901 INFO L93 Difference]: Finished difference Result 1730 states and 2289 transitions. [2023-04-02 08:44:23,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 08:44:23,902 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.833333333333334) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (43), 11 states have call predecessors, (43), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 328 [2023-04-02 08:44:23,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:23,906 INFO L225 Difference]: With dead ends: 1730 [2023-04-02 08:44:23,906 INFO L226 Difference]: Without dead ends: 984 [2023-04-02 08:44:23,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:44:23,909 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 1490 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 3300 mSolverCounterSat, 1087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1087 IncrementalHoareTripleChecker+Valid, 3300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:23,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 700 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1087 Valid, 3300 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-02 08:44:23,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2023-04-02 08:44:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 758. [2023-04-02 08:44:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 535 states have (on average 1.3009345794392524) internal successors, (696), 551 states have internal predecessors, (696), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 973 transitions. [2023-04-02 08:44:24,103 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 973 transitions. Word has length 328 [2023-04-02 08:44:24,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:24,104 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 973 transitions. [2023-04-02 08:44:24,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.833333333333334) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (43), 11 states have call predecessors, (43), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:44:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 973 transitions. [2023-04-02 08:44:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-04-02 08:44:24,108 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:24,108 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:24,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 08:44:24,108 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:24,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1055215549, now seen corresponding path program 1 times [2023-04-02 08:44:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:24,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764088309] [2023-04-02 08:44:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 08:44:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 08:44:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 08:44:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 08:44:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 08:44:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-04-02 08:44:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-04-02 08:44:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-04-02 08:44:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 08:44:24,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764088309] [2023-04-02 08:44:24,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764088309] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19437968] [2023-04-02 08:44:24,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:24,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:24,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:44:24,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:44:24,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 08:44:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:25,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 08:44:25,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:44:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:25,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:44:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19437968] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:44:25,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-04-02 08:44:25,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129278942] [2023-04-02 08:44:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:25,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 08:44:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:25,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 08:44:25,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:44:25,737 INFO L87 Difference]: Start difference. First operand 758 states and 973 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-04-02 08:44:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:26,033 INFO L93 Difference]: Finished difference Result 1506 states and 1946 transitions. [2023-04-02 08:44:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 08:44:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 330 [2023-04-02 08:44:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:26,037 INFO L225 Difference]: With dead ends: 1506 [2023-04-02 08:44:26,037 INFO L226 Difference]: Without dead ends: 758 [2023-04-02 08:44:26,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:44:26,040 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 21 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3703 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:26,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3703 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:44:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2023-04-02 08:44:26,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2023-04-02 08:44:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 535 states have (on average 1.297196261682243) internal successors, (694), 551 states have internal predecessors, (694), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 971 transitions. [2023-04-02 08:44:26,189 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 971 transitions. Word has length 330 [2023-04-02 08:44:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:26,189 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 971 transitions. [2023-04-02 08:44:26,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-04-02 08:44:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 971 transitions. [2023-04-02 08:44:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-04-02 08:44:26,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:26,194 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:26,213 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 08:44:26,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-02 08:44:26,413 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:26,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:26,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1813133344, now seen corresponding path program 1 times [2023-04-02 08:44:26,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:26,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774888774] [2023-04-02 08:44:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 08:44:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 08:44:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 08:44:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 08:44:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 08:44:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 08:44:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-04-02 08:44:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-04-02 08:44:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-04-02 08:44:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:27,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:27,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774888774] [2023-04-02 08:44:27,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774888774] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:27,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538007059] [2023-04-02 08:44:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:27,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:27,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:44:27,198 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 08:44:27,221 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 08:44:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:27,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 2721 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 08:44:27,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:44:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-04-02 08:44:27,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:44:27,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538007059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:27,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:44:27,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-04-02 08:44:27,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891522165] [2023-04-02 08:44:27,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:27,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 08:44:27,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:27,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 08:44:27,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:44:27,990 INFO L87 Difference]: Start difference. First operand 758 states and 971 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (47), 2 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 08:44:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:28,211 INFO L93 Difference]: Finished difference Result 1509 states and 1941 transitions. [2023-04-02 08:44:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 08:44:28,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (47), 2 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 335 [2023-04-02 08:44:28,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:28,214 INFO L225 Difference]: With dead ends: 1509 [2023-04-02 08:44:28,214 INFO L226 Difference]: Without dead ends: 761 [2023-04-02 08:44:28,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:44:28,216 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 2 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:28,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1502 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:44:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2023-04-02 08:44:28,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 759. [2023-04-02 08:44:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 536 states have (on average 1.296641791044776) internal successors, (695), 552 states have internal predecessors, (695), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 972 transitions. [2023-04-02 08:44:28,371 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 972 transitions. Word has length 335 [2023-04-02 08:44:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:28,372 INFO L495 AbstractCegarLoop]: Abstraction has 759 states and 972 transitions. [2023-04-02 08:44:28,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (47), 2 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 08:44:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 972 transitions. [2023-04-02 08:44:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-04-02 08:44:28,375 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:28,376 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:28,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-02 08:44:28,588 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,SelfDestructingSolverStorable15 [2023-04-02 08:44:28,589 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:28,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1841612884, now seen corresponding path program 1 times [2023-04-02 08:44:28,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:28,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801262835] [2023-04-02 08:44:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:28,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 08:44:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 08:44:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 08:44:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 08:44:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 08:44:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 08:44:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-04-02 08:44:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-04-02 08:44:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-04-02 08:44:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:29,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:29,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801262835] [2023-04-02 08:44:29,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801262835] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:29,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119830607] [2023-04-02 08:44:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:29,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:29,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:44:29,363 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 08:44:29,376 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 08:44:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:30,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 2727 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-02 08:44:30,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:44:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-04-02 08:44:30,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:44:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:30,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119830607] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 08:44:30,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 08:44:30,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 08:44:30,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307288437] [2023-04-02 08:44:30,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 08:44:30,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 08:44:30,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:30,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 08:44:30,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:44:30,444 INFO L87 Difference]: Start difference. First operand 759 states and 972 transitions. Second operand has 16 states, 16 states have (on average 14.25) internal successors, (228), 7 states have internal predecessors, (228), 2 states have call successors, (82), 11 states have call predecessors, (82), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-02 08:44:36,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:36,919 INFO L93 Difference]: Finished difference Result 1740 states and 2297 transitions. [2023-04-02 08:44:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 08:44:36,920 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 14.25) internal successors, (228), 7 states have internal predecessors, (228), 2 states have call successors, (82), 11 states have call predecessors, (82), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 338 [2023-04-02 08:44:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:36,923 INFO L225 Difference]: With dead ends: 1740 [2023-04-02 08:44:36,923 INFO L226 Difference]: Without dead ends: 991 [2023-04-02 08:44:36,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 786 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2023-04-02 08:44:36,925 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1442 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:44:36,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 730 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 3419 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-02 08:44:36,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2023-04-02 08:44:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 765. [2023-04-02 08:44:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 542 states have (on average 1.2933579335793357) internal successors, (701), 558 states have internal predecessors, (701), 139 states have call successors, (139), 86 states have call predecessors, (139), 83 states have return successors, (138), 134 states have call predecessors, (138), 137 states have call successors, (138) [2023-04-02 08:44:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 978 transitions. [2023-04-02 08:44:37,113 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 978 transitions. Word has length 338 [2023-04-02 08:44:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:37,114 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 978 transitions. [2023-04-02 08:44:37,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.25) internal successors, (228), 7 states have internal predecessors, (228), 2 states have call successors, (82), 11 states have call predecessors, (82), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-02 08:44:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 978 transitions. [2023-04-02 08:44:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-04-02 08:44:37,117 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:37,118 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:37,135 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 08:44:37,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:37,335 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:37,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash 417874797, now seen corresponding path program 1 times [2023-04-02 08:44:37,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:37,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709850425] [2023-04-02 08:44:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 08:44:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 08:44:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 08:44:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 08:44:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 08:44:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 08:44:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-04-02 08:44:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-04-02 08:44:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-04-02 08:44:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:44:38,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:38,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709850425] [2023-04-02 08:44:38,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709850425] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:38,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165872947] [2023-04-02 08:44:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:38,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:38,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:44:38,205 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 08:44:38,215 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 08:44:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:38,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 08:44:38,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:44:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-04-02 08:44:39,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:44:39,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165872947] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:44:39,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:44:39,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2023-04-02 08:44:39,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511092705] [2023-04-02 08:44:39,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:44:39,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:44:39,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:39,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:44:39,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:44:39,076 INFO L87 Difference]: Start difference. First operand 765 states and 978 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 08:44:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:44:39,274 INFO L93 Difference]: Finished difference Result 1526 states and 1958 transitions. [2023-04-02 08:44:39,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:44:39,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 341 [2023-04-02 08:44:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:44:39,277 INFO L225 Difference]: With dead ends: 1526 [2023-04-02 08:44:39,277 INFO L226 Difference]: Without dead ends: 771 [2023-04-02 08:44:39,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:44:39,279 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 2 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2998 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 08:44:39,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2998 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 08:44:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-04-02 08:44:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2023-04-02 08:44:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 545 states have (on average 1.2917431192660551) internal successors, (704), 561 states have internal predecessors, (704), 139 states have call successors, (139), 86 states have call predecessors, (139), 84 states have return successors, (139), 135 states have call predecessors, (139), 137 states have call successors, (139) [2023-04-02 08:44:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 982 transitions. [2023-04-02 08:44:39,458 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 982 transitions. Word has length 341 [2023-04-02 08:44:39,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:44:39,458 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 982 transitions. [2023-04-02 08:44:39,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 08:44:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 982 transitions. [2023-04-02 08:44:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-04-02 08:44:39,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:44:39,462 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:44:39,478 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 08:44:39,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-04-02 08:44:39,679 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:44:39,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:44:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash -477845654, now seen corresponding path program 1 times [2023-04-02 08:44:39,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:44:39,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695416691] [2023-04-02 08:44:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:44:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:44:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:44:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:44:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:44:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:44:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 08:44:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:44:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 08:44:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 08:44:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 08:44:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:44:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 08:44:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 08:44:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:44:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:44:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:44:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-04-02 08:44:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:44:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:44:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-04-02 08:44:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-04-02 08:44:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:44:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:44:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-04-02 08:44:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-04-02 08:44:40,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:44:40,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695416691] [2023-04-02 08:44:40,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695416691] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:40,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700977146] [2023-04-02 08:44:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:44:40,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:44:40,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:44:40,592 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 08:44:40,594 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 08:44:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:44:41,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 113 conjunts are in the unsatisfiable core [2023-04-02 08:44:41,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:44:41,595 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 08:44:41,805 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 08:44:41,826 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 08:44:41,837 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 08:44:41,842 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 08:44:42,024 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-04-02 08:44:42,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-04-02 08:44:42,433 INFO L321 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2023-04-02 08:44:42,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 37 [2023-04-02 08:44:42,452 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 08:44:42,461 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 08:44:42,561 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 08:44:42,570 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 08:44:42,624 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 08:44:42,634 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 08:44:42,675 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 08:44:42,688 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 08:44:42,745 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 08:44:42,754 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 08:44:43,222 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 08:44:43,225 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 08:44:43,310 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 08:44:43,314 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 08:44:43,359 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 08:44:43,364 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 08:44:43,389 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 08:44:43,394 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 08:44:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 63 proven. 44 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 08:44:43,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:44:44,007 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4179 (Array Int Int)) (v_ArrVal_4180 (Array Int Int))) (not (= (mod (+ 4294943323 (select (select (store |c_#memory_$Pointer$.offset| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4180) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|) (select (select (store |c_#memory_$Pointer$.base| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4179) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|)) 4294967296) (mod (+ |c_~#adapters_list_g~0.base| |c_~#adapters_list_g~0.offset|) 4294967296)))) is different from false [2023-04-02 08:44:51,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700977146] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:44:51,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-02 08:44:51,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2023-04-02 08:44:51,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716410896] [2023-04-02 08:44:51,670 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-02 08:44:51,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-04-02 08:44:51,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:44:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-04-02 08:44:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1219, Unknown=38, NotChecked=72, Total=1482 [2023-04-02 08:44:51,673 INFO L87 Difference]: Start difference. First operand 769 states and 982 transitions. Second operand has 33 states, 33 states have (on average 9.606060606060606) internal successors, (317), 23 states have internal predecessors, (317), 11 states have call successors, (87), 17 states have call predecessors, (87), 11 states have return successors, (76), 13 states have call predecessors, (76), 11 states have call successors, (76) [2023-04-02 08:45:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:45:22,877 INFO L93 Difference]: Finished difference Result 2957 states and 3906 transitions. [2023-04-02 08:45:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-04-02 08:45:22,879 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 9.606060606060606) internal successors, (317), 23 states have internal predecessors, (317), 11 states have call successors, (87), 17 states have call predecessors, (87), 11 states have return successors, (76), 13 states have call predecessors, (76), 11 states have call successors, (76) Word has length 339 [2023-04-02 08:45:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:45:22,888 INFO L225 Difference]: With dead ends: 2957 [2023-04-02 08:45:22,888 INFO L226 Difference]: Without dead ends: 2198 [2023-04-02 08:45:22,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5136 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=2144, Invalid=14940, Unknown=212, NotChecked=260, Total=17556 [2023-04-02 08:45:22,897 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 5297 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 11939 mSolverCounterSat, 3366 mSolverCounterUnsat, 2089 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5342 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 17394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3366 IncrementalHoareTripleChecker+Valid, 11939 IncrementalHoareTripleChecker+Invalid, 2089 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:45:22,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5342 Valid, 2184 Invalid, 17394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3366 Valid, 11939 Invalid, 2089 Unknown, 0 Unchecked, 19.1s Time] [2023-04-02 08:45:22,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2023-04-02 08:45:23,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1624. [2023-04-02 08:45:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1149 states have (on average 1.288076588337685) internal successors, (1480), 1193 states have internal predecessors, (1480), 280 states have call successors, (280), 189 states have call predecessors, (280), 194 states have return successors, (321), 269 states have call predecessors, (321), 278 states have call successors, (321) [2023-04-02 08:45:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2081 transitions. [2023-04-02 08:45:23,267 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2081 transitions. Word has length 339 [2023-04-02 08:45:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:45:23,268 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2081 transitions. [2023-04-02 08:45:23,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.606060606060606) internal successors, (317), 23 states have internal predecessors, (317), 11 states have call successors, (87), 17 states have call predecessors, (87), 11 states have return successors, (76), 13 states have call predecessors, (76), 11 states have call successors, (76) [2023-04-02 08:45:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2081 transitions. [2023-04-02 08:45:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2023-04-02 08:45:23,275 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:45:23,275 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:45:23,292 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 08:45:23,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:45:23,489 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:45:23,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:45:23,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1262966055, now seen corresponding path program 1 times [2023-04-02 08:45:23,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:45:23,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186049260] [2023-04-02 08:45:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:45:23,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:45:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:45:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:45:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:45:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:45:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:45:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:45:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:45:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:45:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:45:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 08:45:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 08:45:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 08:45:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 08:45:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 08:45:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:45:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:45:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 08:45:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:45:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:45:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:45:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 08:45:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:45:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:45:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 08:45:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:45:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:45:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:45:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:45:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:45:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 08:45:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 08:45:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:45:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 08:45:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-04-02 08:45:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-04-02 08:45:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 08:45:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:45:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-04-02 08:45:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-04-02 08:45:24,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:45:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186049260] [2023-04-02 08:45:24,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186049260] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:45:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756431594] [2023-04-02 08:45:24,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:45:24,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:45:24,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:45:24,521 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 08:45:24,525 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 08:45:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:45:25,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 2843 conjuncts, 111 conjunts are in the unsatisfiable core [2023-04-02 08:45:25,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:45:25,654 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 08:45:25,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 08:45:25,843 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 08:45:25,910 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 08:45:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2023-04-02 08:45:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2023-04-02 08:45:26,208 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 08:45:26,214 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 08:45:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-02 08:45:26,456 INFO L321 Elim1Store]: treesize reduction 38, result has 26.9 percent of original size [2023-04-02 08:45:26,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 33 [2023-04-02 08:45:26,888 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 08:45:26,888 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 08:45:26,924 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 08:45:26,924 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 08:45:26,956 INFO L321 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2023-04-02 08:45:26,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 37 [2023-04-02 08:45:27,041 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 08:45:27,054 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 08:45:27,086 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 08:45:27,097 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 08:45:27,146 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 08:45:27,153 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 08:45:27,221 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 08:45:27,228 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 08:45:27,279 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 08:45:27,289 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 08:45:27,792 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 08:45:27,796 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 08:45:27,895 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 08:45:27,905 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 08:45:27,955 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 08:45:27,962 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 08:45:27,988 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 08:45:27,995 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 08:45:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 63 proven. 48 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-04-02 08:45:28,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 08:45:28,657 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4594 (Array Int Int)) (v_ArrVal_4595 (Array Int Int))) (not (= (mod (+ |c_~#adapters_list_g~0.base| |c_~#adapters_list_g~0.offset|) 4294967296) (mod (+ 4294943323 (select (select (store |c_#memory_$Pointer$.base| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4594) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|) (select (select (store |c_#memory_$Pointer$.offset| |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4595) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|)) 4294967296)))) is different from false [2023-04-02 08:45:30,715 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4594 (Array Int Int)) (v_ArrVal_4595 (Array Int Int)) (v_ArrVal_4600 (Array Int Int)) (v_ArrVal_4601 (Array Int Int))) (not (= (mod (+ 4294943323 (select (select (store (store |c_#memory_$Pointer$.offset| |c_mraid_mm_ioctl_~#drvrcmd_rval~0.base| v_ArrVal_4600) |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4595) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|) (select (select (store (store |c_#memory_$Pointer$.base| |c_mraid_mm_ioctl_~#drvrcmd_rval~0.base| v_ArrVal_4601) |c_mraid_mm_ioctl_~#rval~0.base| v_ArrVal_4594) |c_~#adapters_list_g~0.base|) |c_~#adapters_list_g~0.offset|)) 4294967296) (mod (+ |c_~#adapters_list_g~0.base| |c_~#adapters_list_g~0.offset|) 4294967296)))) is different from false [2023-04-02 08:45:30,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756431594] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:45:30,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-02 08:45:30,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 38 [2023-04-02 08:45:30,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314032778] [2023-04-02 08:45:30,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-02 08:45:30,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-04-02 08:45:30,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:45:30,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-04-02 08:45:30,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1533, Unknown=24, NotChecked=162, Total=1892 [2023-04-02 08:45:30,721 INFO L87 Difference]: Start difference. First operand 1624 states and 2081 transitions. Second operand has 38 states, 37 states have (on average 9.243243243243244) internal successors, (342), 27 states have internal predecessors, (342), 14 states have call successors, (93), 18 states have call predecessors, (93), 12 states have return successors, (82), 15 states have call predecessors, (82), 14 states have call successors, (82)