/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:43:44,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:43:44,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:43:44,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 02:43:44,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 02:43:44,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 02:43:44,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 02:43:44,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 02:43:44,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 02:43:44,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 02:43:44,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 02:43:44,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 02:43:44,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:43:44,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:43:44,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:43:44,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:43:44,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:43:44,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:43:44,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:43:44,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:43:44,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:43:44,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:43:44,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:43:44,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:43:44,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:43:44,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:43:44,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:43:44,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:43:44,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:43:44,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 02:43:44,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 02:43:44,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 02:43:44,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 02:43:44,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 02:43:44,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 02:43:44,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 02:43:44,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 02:43:44,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 02:43:44,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:43:44,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:43:44,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:43:44,276 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 02:43:44,298 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:43:44,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:43:44,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:43:44,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:43:44,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:43:44,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:43:44,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:43:44,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:43:44,301 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:43:44,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:43:44,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:43:44,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:43:44,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:43:44,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:43:44,304 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:43:44,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:43:44,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:43:44,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:43:44,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:43:44,514 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:43:44,514 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:43:44,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2023-03-31 02:43:45,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:43:45,877 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:43:45,877 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2023-03-31 02:43:45,897 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3f1890f/0b73090e60e4416a96878a313d4a3786/FLAG70195b5b8 [2023-03-31 02:43:45,906 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3f1890f/0b73090e60e4416a96878a313d4a3786 [2023-03-31 02:43:45,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:43:45,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:43:45,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:43:45,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:43:45,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:43:45,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:43:45" (1/1) ... [2023-03-31 02:43:45,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f21268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:45, skipping insertion in model container [2023-03-31 02:43:45,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:43:45" (1/1) ... [2023-03-31 02:43:45,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:43:45,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:43:46,438 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i[101600,101613] [2023-03-31 02:43:46,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:43:46,689 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:43:46,803 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i[101600,101613] [2023-03-31 02:43:46,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:43:46,864 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:43:46,870 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:43:46,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46 WrapperNode [2023-03-31 02:43:46,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:43:46,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:43:46,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:43:46,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:43:46,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:43:46,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:43:46,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:43:46,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:43:46,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (1/1) ... [2023-03-31 02:43:46,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:43:46,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:43:46,999 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 02:43:47,024 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 02:43:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-03-31 02:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-03-31 02:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-03-31 02:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-03-31 02:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-03-31 02:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 02:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-31 02:43:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-03-31 02:43:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2023-03-31 02:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2023-03-31 02:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-03-31 02:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2023-03-31 02:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-03-31 02:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-03-31 02:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-03-31 02:43:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-03-31 02:43:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:43:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:43:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-31 02:43:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 02:43:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-31 02:43:47,409 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:43:47,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:43:47,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-31 02:43:47,797 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-03-31 02:43:48,240 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:43:48,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:43:48,256 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 02:43:48,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:43:48 BoogieIcfgContainer [2023-03-31 02:43:48,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:43:48,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:43:48,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:43:48,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:43:48,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:43:45" (1/3) ... [2023-03-31 02:43:48,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ae3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:43:48, skipping insertion in model container [2023-03-31 02:43:48,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:43:46" (2/3) ... [2023-03-31 02:43:48,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ae3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:43:48, skipping insertion in model container [2023-03-31 02:43:48,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:43:48" (3/3) ... [2023-03-31 02:43:48,265 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2023-03-31 02:43:48,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:43:48,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:43:48,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:43:48,339 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;@56edd503, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:43:48,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:43:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 594 states, 378 states have (on average 1.291005291005291) internal successors, (488), 396 states have internal predecessors, (488), 140 states have call successors, (140), 71 states have call predecessors, (140), 69 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2023-03-31 02:43:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-03-31 02:43:48,366 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:43:48,366 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:43:48,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:43:48,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:43:48,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1114526482, now seen corresponding path program 1 times [2023-03-31 02:43:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:43:48,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635236621] [2023-03-31 02:43:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:43:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:43:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:43:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:43:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:43:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:43:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:43:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:43:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 02:43:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:43:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:43:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 02:43:49,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:43:49,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635236621] [2023-03-31 02:43:49,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635236621] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:43:49,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:43:49,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 02:43:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698249345] [2023-03-31 02:43:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:43:49,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 02:43:49,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:43:49,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 02:43:49,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 02:43:49,155 INFO L87 Difference]: Start difference. First operand has 594 states, 378 states have (on average 1.291005291005291) internal successors, (488), 396 states have internal predecessors, (488), 140 states have call successors, (140), 71 states have call predecessors, (140), 69 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 02:43:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:43:57,714 INFO L93 Difference]: Finished difference Result 2060 states and 2871 transitions. [2023-03-31 02:43:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-31 02:43:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2023-03-31 02:43:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:43:57,748 INFO L225 Difference]: With dead ends: 2060 [2023-03-31 02:43:57,748 INFO L226 Difference]: Without dead ends: 1472 [2023-03-31 02:43:57,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-03-31 02:43:57,771 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 2520 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 1646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2600 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1646 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-03-31 02:43:57,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2600 Valid, 786 Invalid, 4015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1646 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-03-31 02:43:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2023-03-31 02:43:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1005. [2023-03-31 02:43:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 652 states have (on average 1.2653374233128833) internal successors, (825), 661 states have internal predecessors, (825), 233 states have call successors, (233), 122 states have call predecessors, (233), 119 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2023-03-31 02:43:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1283 transitions. [2023-03-31 02:43:58,142 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1283 transitions. Word has length 56 [2023-03-31 02:43:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:43:58,144 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1283 transitions. [2023-03-31 02:43:58,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 02:43:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1283 transitions. [2023-03-31 02:43:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-03-31 02:43:58,151 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:43:58,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 02:43:58,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:43:58,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:43:58,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:43:58,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1772701082, now seen corresponding path program 1 times [2023-03-31 02:43:58,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:43:58,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355658252] [2023-03-31 02:43:58,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:43:58,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:43:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:43:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:43:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:43:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:43:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:43:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:43:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:43:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:43:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:43:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:43:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:43:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:43:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 02:43:58,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:43:58,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355658252] [2023-03-31 02:43:58,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355658252] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:43:58,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:43:58,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:43:58,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096226523] [2023-03-31 02:43:58,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:43:58,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:43:58,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:43:58,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:43:58,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:43:58,783 INFO L87 Difference]: Start difference. First operand 1005 states and 1283 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:03,973 INFO L93 Difference]: Finished difference Result 1471 states and 2009 transitions. [2023-03-31 02:44:03,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 02:44:03,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-03-31 02:44:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:03,980 INFO L225 Difference]: With dead ends: 1471 [2023-03-31 02:44:03,980 INFO L226 Difference]: Without dead ends: 1468 [2023-03-31 02:44:03,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-31 02:44:03,982 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 1640 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 1062 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1062 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:03,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 555 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1062 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-03-31 02:44:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2023-03-31 02:44:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1004. [2023-03-31 02:44:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 652 states have (on average 1.2638036809815951) internal successors, (824), 660 states have internal predecessors, (824), 232 states have call successors, (232), 122 states have call predecessors, (232), 119 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2023-03-31 02:44:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1281 transitions. [2023-03-31 02:44:04,246 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1281 transitions. Word has length 72 [2023-03-31 02:44:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:04,246 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1281 transitions. [2023-03-31 02:44:04,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1281 transitions. [2023-03-31 02:44:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-03-31 02:44:04,249 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:04,250 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 02:44:04,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 02:44:04,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:04,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:04,250 INFO L85 PathProgramCache]: Analyzing trace with hash -881170084, now seen corresponding path program 1 times [2023-03-31 02:44:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:04,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158327907] [2023-03-31 02:44:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:04,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:44:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 02:44:04,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158327907] [2023-03-31 02:44:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158327907] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:04,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:04,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:44:04,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757745002] [2023-03-31 02:44:04,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:04,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:44:04,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:04,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:44:04,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:44:04,751 INFO L87 Difference]: Start difference. First operand 1004 states and 1281 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:09,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:09,477 INFO L93 Difference]: Finished difference Result 1470 states and 2007 transitions. [2023-03-31 02:44:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 02:44:09,478 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2023-03-31 02:44:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:09,482 INFO L225 Difference]: With dead ends: 1470 [2023-03-31 02:44:09,483 INFO L226 Difference]: Without dead ends: 1467 [2023-03-31 02:44:09,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-31 02:44:09,484 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1968 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 1376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1376 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:09,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 513 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1376 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-03-31 02:44:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2023-03-31 02:44:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1003. [2023-03-31 02:44:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 652 states have (on average 1.2622699386503067) internal successors, (823), 659 states have internal predecessors, (823), 231 states have call successors, (231), 122 states have call predecessors, (231), 119 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2023-03-31 02:44:09,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1279 transitions. [2023-03-31 02:44:09,746 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1279 transitions. Word has length 73 [2023-03-31 02:44:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:09,747 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1279 transitions. [2023-03-31 02:44:09,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1279 transitions. [2023-03-31 02:44:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-03-31 02:44:09,748 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:09,748 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 02:44:09,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 02:44:09,748 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:09,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1546792739, now seen corresponding path program 1 times [2023-03-31 02:44:09,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:09,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750275745] [2023-03-31 02:44:09,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:44:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 02:44:10,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:10,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750275745] [2023-03-31 02:44:10,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750275745] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:10,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:10,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:44:10,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536369732] [2023-03-31 02:44:10,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:10,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:44:10,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:10,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:44:10,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:44:10,100 INFO L87 Difference]: Start difference. First operand 1003 states and 1279 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:14,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:14,867 INFO L93 Difference]: Finished difference Result 1469 states and 2005 transitions. [2023-03-31 02:44:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 02:44:14,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2023-03-31 02:44:14,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:14,873 INFO L225 Difference]: With dead ends: 1469 [2023-03-31 02:44:14,873 INFO L226 Difference]: Without dead ends: 1466 [2023-03-31 02:44:14,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-31 02:44:14,879 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 1605 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 1027 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:14,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 498 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1027 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-03-31 02:44:14,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2023-03-31 02:44:15,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1002. [2023-03-31 02:44:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 652 states have (on average 1.2607361963190185) internal successors, (822), 658 states have internal predecessors, (822), 230 states have call successors, (230), 122 states have call predecessors, (230), 119 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2023-03-31 02:44:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1277 transitions. [2023-03-31 02:44:15,158 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1277 transitions. Word has length 74 [2023-03-31 02:44:15,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:15,160 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1277 transitions. [2023-03-31 02:44:15,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1277 transitions. [2023-03-31 02:44:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-03-31 02:44:15,163 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:15,163 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 02:44:15,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 02:44:15,163 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:15,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:15,163 INFO L85 PathProgramCache]: Analyzing trace with hash -706253697, now seen corresponding path program 1 times [2023-03-31 02:44:15,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:15,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455949373] [2023-03-31 02:44:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:44:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 02:44:15,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:15,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455949373] [2023-03-31 02:44:15,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455949373] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:15,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:15,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:44:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116113074] [2023-03-31 02:44:15,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:15,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:44:15,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:15,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:44:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:44:15,586 INFO L87 Difference]: Start difference. First operand 1002 states and 1277 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:23,321 INFO L93 Difference]: Finished difference Result 3804 states and 5124 transitions. [2023-03-31 02:44:23,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 02:44:23,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2023-03-31 02:44:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:23,331 INFO L225 Difference]: With dead ends: 3804 [2023-03-31 02:44:23,331 INFO L226 Difference]: Without dead ends: 2823 [2023-03-31 02:44:23,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2023-03-31 02:44:23,334 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 2895 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 2057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 4525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2057 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:23,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 753 Invalid, 4525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2057 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-03-31 02:44:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2023-03-31 02:44:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1991. [2023-03-31 02:44:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1991 states, 1301 states have (on average 1.261337432744043) internal successors, (1641), 1313 states have internal predecessors, (1641), 452 states have call successors, (452), 237 states have call predecessors, (452), 237 states have return successors, (456), 440 states have call predecessors, (456), 444 states have call successors, (456) [2023-03-31 02:44:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2549 transitions. [2023-03-31 02:44:23,942 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2549 transitions. Word has length 75 [2023-03-31 02:44:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:23,943 INFO L495 AbstractCegarLoop]: Abstraction has 1991 states and 2549 transitions. [2023-03-31 02:44:23,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2549 transitions. [2023-03-31 02:44:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-03-31 02:44:23,949 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:23,949 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 02:44:23,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 02:44:23,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:23,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash -419342304, now seen corresponding path program 1 times [2023-03-31 02:44:23,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:23,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144784688] [2023-03-31 02:44:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:44:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 02:44:24,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:24,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144784688] [2023-03-31 02:44:24,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144784688] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:24,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:24,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:44:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019767535] [2023-03-31 02:44:24,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:24,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:44:24,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:44:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:44:24,313 INFO L87 Difference]: Start difference. First operand 1991 states and 2549 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:29,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:29,472 INFO L93 Difference]: Finished difference Result 2817 states and 3853 transitions. [2023-03-31 02:44:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 02:44:29,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2023-03-31 02:44:29,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:29,485 INFO L225 Difference]: With dead ends: 2817 [2023-03-31 02:44:29,485 INFO L226 Difference]: Without dead ends: 2792 [2023-03-31 02:44:29,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-31 02:44:29,487 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 1624 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 3060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:29,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 563 Invalid, 3060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1021 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-03-31 02:44:29,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2023-03-31 02:44:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 1971. [2023-03-31 02:44:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1289 states have (on average 1.26066718386346) internal successors, (1625), 1300 states have internal predecessors, (1625), 447 states have call successors, (447), 233 states have call predecessors, (447), 234 states have return successors, (453), 437 states have call predecessors, (453), 441 states have call successors, (453) [2023-03-31 02:44:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2525 transitions. [2023-03-31 02:44:30,113 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2525 transitions. Word has length 76 [2023-03-31 02:44:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:30,114 INFO L495 AbstractCegarLoop]: Abstraction has 1971 states and 2525 transitions. [2023-03-31 02:44:30,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:44:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2525 transitions. [2023-03-31 02:44:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-31 02:44:30,119 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:30,119 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:44:30,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 02:44:30,119 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:30,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1446678516, now seen corresponding path program 1 times [2023-03-31 02:44:30,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400867210] [2023-03-31 02:44:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:30,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 02:44:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-03-31 02:44:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-03-31 02:44:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:44:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-03-31 02:44:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-03-31 02:44:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 02:44:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 02:44:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 02:44:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:44:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-31 02:44:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-31 02:44:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-03-31 02:44:30,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:30,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400867210] [2023-03-31 02:44:30,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400867210] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:30,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:30,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 02:44:30,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248116546] [2023-03-31 02:44:30,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:30,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 02:44:30,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:30,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 02:44:30,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:44:30,517 INFO L87 Difference]: Start difference. First operand 1971 states and 2525 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 02:44:37,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:44:37,545 INFO L93 Difference]: Finished difference Result 6027 states and 7994 transitions. [2023-03-31 02:44:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-31 02:44:37,546 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2023-03-31 02:44:37,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:44:37,559 INFO L225 Difference]: With dead ends: 6027 [2023-03-31 02:44:37,559 INFO L226 Difference]: Without dead ends: 4077 [2023-03-31 02:44:37,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-03-31 02:44:37,565 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2752 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 1793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-03-31 02:44:37,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 939 Invalid, 4004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1793 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-03-31 02:44:37,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2023-03-31 02:44:38,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 2896. [2023-03-31 02:44:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1896 states have (on average 1.2526371308016877) internal successors, (2375), 1911 states have internal predecessors, (2375), 639 states have call successors, (639), 359 states have call predecessors, (639), 360 states have return successors, (645), 625 states have call predecessors, (645), 633 states have call successors, (645) [2023-03-31 02:44:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3659 transitions. [2023-03-31 02:44:38,400 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3659 transitions. Word has length 156 [2023-03-31 02:44:38,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:44:38,400 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3659 transitions. [2023-03-31 02:44:38,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 02:44:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3659 transitions. [2023-03-31 02:44:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 02:44:38,405 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:44:38,406 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:44:38,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 02:44:38,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:44:38,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:44:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1969964287, now seen corresponding path program 1 times [2023-03-31 02:44:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:44:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435368027] [2023-03-31 02:44:38,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:44:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:44:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:44:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 02:44:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-03-31 02:44:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 02:44:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 02:44:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 02:44:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 02:44:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:44:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 02:44:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 02:44:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 02:44:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 02:44:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 02:44:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-03-31 02:44:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 02:44:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:44:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:44:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:44:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-03-31 02:44:39,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:44:39,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435368027] [2023-03-31 02:44:39,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435368027] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:44:39,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:44:39,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 02:44:39,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874221759] [2023-03-31 02:44:39,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:44:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 02:44:39,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:44:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 02:44:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 02:44:39,200 INFO L87 Difference]: Start difference. First operand 2896 states and 3659 transitions. Second operand has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (33), 12 states have call predecessors, (33), 4 states have return successors, (30), 5 states have call predecessors, (30), 3 states have call successors, (30)