/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:59:21,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:59:21,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:59:21,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 02:59:21,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 02:59:21,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 02:59:21,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 02:59:21,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 02:59:21,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 02:59:21,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 02:59:21,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 02:59:21,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 02:59:21,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:59:21,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:59:21,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:59:21,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:59:21,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:59:21,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:59:21,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:59:21,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:59:21,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:59:21,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:59:21,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:59:21,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:59:21,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:59:21,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:59:21,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:59:21,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:59:21,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:59:21,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 02:59:21,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 02:59:21,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 02:59:21,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 02:59:21,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 02:59:21,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 02:59:21,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 02:59:21,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 02:59:21,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 02:59:21,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:59:21,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:59:21,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:59:21,195 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 [2023-03-31 02:59:21,215 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:59:21,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:59:21,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:59:21,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:59:21,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:59:21,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:59:21,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:59:21,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:59:21,218 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:59:21,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:59:21,219 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:59:21,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:59:21,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:59:21,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:59:21,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:59:21,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:59:21,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:59:21,221 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:59:21,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:59:21,222 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:59:21,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:59:21,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:59:21,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:59:21,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:59:21,472 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:59:21,472 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:59:21,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2023-03-31 02:59:22,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:59:22,986 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:59:22,987 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2023-03-31 02:59:23,021 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ac6aff1b/14e0d6e7c3464cfabe60db1c36200cdd/FLAG21f680e93 [2023-03-31 02:59:23,210 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ac6aff1b/14e0d6e7c3464cfabe60db1c36200cdd [2023-03-31 02:59:23,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:59:23,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:59:23,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:59:23,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:59:23,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:59:23,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:59:23" (1/1) ... [2023-03-31 02:59:23,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735f6ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:23, skipping insertion in model container [2023-03-31 02:59:23,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:59:23" (1/1) ... [2023-03-31 02:59:23,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:59:23,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:59:23,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2023-03-31 02:59:23,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:59:23,940 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:59:24,061 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2023-03-31 02:59:24,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:59:24,092 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:59:24,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24 WrapperNode [2023-03-31 02:59:24,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:59:24,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:59:24,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:59:24,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:59:24,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,206 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:59:24,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:59:24,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:59:24,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:59:24,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (1/1) ... [2023-03-31 02:59:24,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:59:24,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:59:24,262 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) [2023-03-31 02:59:24,282 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 [2023-03-31 02:59:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:59:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:59:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-03-31 02:59:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-31 02:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_select_wdt_out [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_swc [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_get_swc_base_addr [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2023-03-31 02:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_open [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_release [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_status [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_ioctl [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_notify_sys [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_init [2023-03-31 02:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_exit [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_9 [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 02:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-03-31 02:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-03-31 02:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-03-31 02:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-03-31 02:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 02:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 02:59:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 02:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-03-31 02:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2023-03-31 02:59:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-03-31 02:59:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2023-03-31 02:59:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_9 [2023-03-31 02:59:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-03-31 02:59:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2023-03-31 02:59:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2023-03-31 02:59:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2023-03-31 02:59:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-03-31 02:59:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-03-31 02:59:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-03-31 02:59:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_select_wdt_out [2023-03-31 02:59:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_swc [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_get_swc_base_addr [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_open [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_release [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_status [2023-03-31 02:59:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_ioctl [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_notify_sys [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_init [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_exit [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-03-31 02:59:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:59:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:59:24,643 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:59:24,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:59:24,723 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-31 02:59:25,111 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2023-03-31 02:59:26,410 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:59:26,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:59:26,425 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 02:59:26,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:59:26 BoogieIcfgContainer [2023-03-31 02:59:26,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:59:26,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:59:26,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:59:26,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:59:26,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:59:23" (1/3) ... [2023-03-31 02:59:26,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c0c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:59:26, skipping insertion in model container [2023-03-31 02:59:26,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:59:24" (2/3) ... [2023-03-31 02:59:26,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c0c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:59:26, skipping insertion in model container [2023-03-31 02:59:26,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:59:26" (3/3) ... [2023-03-31 02:59:26,436 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2023-03-31 02:59:26,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:59:26,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:59:26,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:59:26,505 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;@344d11a5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:59:26,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:59:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 526 states, 313 states have (on average 1.2875399361022364) internal successors, (403), 325 states have internal predecessors, (403), 146 states have call successors, (146), 64 states have call predecessors, (146), 63 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-03-31 02:59:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 02:59:26,528 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:59:26,529 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:59:26,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:59:26,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:59:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1952541606, now seen corresponding path program 1 times [2023-03-31 02:59:26,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:59:26,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693368995] [2023-03-31 02:59:26,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:59:26,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:59:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:59:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 02:59:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 02:59:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 02:59:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 02:59:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 02:59:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 02:59:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 02:59:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 02:59:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 02:59:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 02:59:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 02:59:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-03-31 02:59:27,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:59:27,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693368995] [2023-03-31 02:59:27,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693368995] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:59:27,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:59:27,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:59:27,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332447536] [2023-03-31 02:59:27,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:59:27,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:59:27,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:59:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:59:27,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:59:27,315 INFO L87 Difference]: Start difference. First operand has 526 states, 313 states have (on average 1.2875399361022364) internal successors, (403), 325 states have internal predecessors, (403), 146 states have call successors, (146), 64 states have call predecessors, (146), 63 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-03-31 02:59:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:32,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:34,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:36,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:38,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:39,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:41,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:59:41,886 INFO L93 Difference]: Finished difference Result 1078 states and 1470 transitions. [2023-03-31 02:59:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 02:59:41,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 174 [2023-03-31 02:59:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:59:41,899 INFO L225 Difference]: With dead ends: 1078 [2023-03-31 02:59:41,899 INFO L226 Difference]: Without dead ends: 556 [2023-03-31 02:59:41,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-03-31 02:59:41,906 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1081 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 1203 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1203 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-03-31 02:59:41,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 340 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1203 Valid, 1081 Invalid, 5 Unknown, 0 Unchecked, 14.0s Time] [2023-03-31 02:59:41,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2023-03-31 02:59:42,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 503. [2023-03-31 02:59:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 301 states have (on average 1.2591362126245846) internal successors, (379), 307 states have internal predecessors, (379), 141 states have call successors, (141), 63 states have call predecessors, (141), 60 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2023-03-31 02:59:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 658 transitions. [2023-03-31 02:59:42,045 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 658 transitions. Word has length 174 [2023-03-31 02:59:42,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:59:42,045 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 658 transitions. [2023-03-31 02:59:42,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-03-31 02:59:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 658 transitions. [2023-03-31 02:59:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 02:59:42,056 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:59:42,056 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:59:42,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:59:42,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:59:42,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:59:42,057 INFO L85 PathProgramCache]: Analyzing trace with hash 964609454, now seen corresponding path program 1 times [2023-03-31 02:59:42,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:59:42,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673982720] [2023-03-31 02:59:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:59:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:59:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:59:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 02:59:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 02:59:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 02:59:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 02:59:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 02:59:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 02:59:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 02:59:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 02:59:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 02:59:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 02:59:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 02:59:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-03-31 02:59:42,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:59:42,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673982720] [2023-03-31 02:59:42,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673982720] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:59:42,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:59:42,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 02:59:42,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500110330] [2023-03-31 02:59:42,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:59:42,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 02:59:42,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:59:42,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 02:59:42,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:59:42,491 INFO L87 Difference]: Start difference. First operand 503 states and 658 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-03-31 02:59:45,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:47,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:49,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:53,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:55,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:59:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:59:57,383 INFO L93 Difference]: Finished difference Result 567 states and 746 transitions. [2023-03-31 02:59:57,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 02:59:57,384 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 174 [2023-03-31 02:59:57,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:59:57,387 INFO L225 Difference]: With dead ends: 567 [2023-03-31 02:59:57,387 INFO L226 Difference]: Without dead ends: 562 [2023-03-31 02:59:57,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-31 02:59:57,389 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 1305 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 1199 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 2667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-03-31 02:59:57,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 433 Invalid, 2667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 1463 Invalid, 5 Unknown, 0 Unchecked, 14.3s Time] [2023-03-31 02:59:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2023-03-31 02:59:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 504. [2023-03-31 02:59:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 302 states have (on average 1.2582781456953642) internal successors, (380), 308 states have internal predecessors, (380), 141 states have call successors, (141), 63 states have call predecessors, (141), 60 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2023-03-31 02:59:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 659 transitions. [2023-03-31 02:59:57,485 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 659 transitions. Word has length 174 [2023-03-31 02:59:57,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:59:57,486 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 659 transitions. [2023-03-31 02:59:57,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-03-31 02:59:57,487 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 659 transitions. [2023-03-31 02:59:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 02:59:57,491 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:59:57,492 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:59:57,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 02:59:57,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:59:57,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:59:57,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1021867756, now seen corresponding path program 1 times [2023-03-31 02:59:57,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:59:57,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75617728] [2023-03-31 02:59:57,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:59:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:59:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:59:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 02:59:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 02:59:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 02:59:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 02:59:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 02:59:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 02:59:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 02:59:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 02:59:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 02:59:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 02:59:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 02:59:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:59:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:59:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:59:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-03-31 02:59:58,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:59:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75617728] [2023-03-31 02:59:58,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75617728] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:59:58,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:59:58,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 02:59:58,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444001723] [2023-03-31 02:59:58,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:59:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 02:59:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:59:58,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 02:59:58,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:59:58,017 INFO L87 Difference]: Start difference. First operand 504 states and 659 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-03-31 03:00:00,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:02,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:04,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:06,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:08,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:14,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:16,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:18,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:20,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:22,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:24,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:26,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 03:00:28,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:00:28,635 INFO L93 Difference]: Finished difference Result 1059 states and 1403 transitions. [2023-03-31 03:00:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 03:00:28,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 174 [2023-03-31 03:00:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:00:28,643 INFO L225 Difference]: With dead ends: 1059 [2023-03-31 03:00:28,643 INFO L226 Difference]: Without dead ends: 1034 [2023-03-31 03:00:28,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-03-31 03:00:28,646 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 2796 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 2817 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 4457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2817 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-03-31 03:00:28,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 400 Invalid, 4457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2817 Valid, 1627 Invalid, 13 Unknown, 0 Unchecked, 29.9s Time] [2023-03-31 03:00:28,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2023-03-31 03:00:28,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 955. [2023-03-31 03:00:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 576 states have (on average 1.2638888888888888) internal successors, (728), 589 states have internal predecessors, (728), 261 states have call successors, (261), 117 states have call predecessors, (261), 117 states have return successors, (264), 260 states have call predecessors, (264), 258 states have call successors, (264) [2023-03-31 03:00:28,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1253 transitions. [2023-03-31 03:00:28,818 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1253 transitions. Word has length 174 [2023-03-31 03:00:28,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:00:28,820 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1253 transitions. [2023-03-31 03:00:28,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 9 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-03-31 03:00:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1253 transitions. [2023-03-31 03:00:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-03-31 03:00:28,828 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:00:28,828 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-03-31 03:00:28,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 03:00:28,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:00:28,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:00:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2056525391, now seen corresponding path program 1 times [2023-03-31 03:00:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:00:28,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662670588] [2023-03-31 03:00:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:00:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:00:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:00:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:00:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:00:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:00:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:00:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 03:00:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 03:00:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 03:00:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 03:00:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 03:00:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 03:00:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 03:00:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-31 03:00:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-31 03:00:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:00:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-31 03:00:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 03:00:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-03-31 03:00:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-03-31 03:00:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 03:00:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 03:00:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 03:00:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 03:00:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 03:00:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 03:00:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 03:00:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-03-31 03:00:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-03-31 03:00:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-03-31 03:00:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:00:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:00:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:00:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2023-03-31 03:00:29,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:00:29,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662670588] [2023-03-31 03:00:29,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662670588] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:00:29,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:00:29,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 03:00:29,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112098566] [2023-03-31 03:00:29,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:00:29,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 03:00:29,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:00:29,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 03:00:29,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-03-31 03:00:29,433 INFO L87 Difference]: Start difference. First operand 955 states and 1253 transitions. Second operand has 10 states, 10 states have (on average 12.5) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (56), 9 states have call predecessors, (56), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2023-03-31 03:00:32,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []