/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:08:23,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:08:23,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:08:23,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:08:23,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:08:23,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:08:23,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:08:23,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:08:23,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:08:23,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:08:23,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:08:23,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:08:23,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:08:23,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:08:23,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:08:23,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:08:23,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:08:23,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:08:23,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:08:23,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:08:23,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:08:23,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:08:23,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:08:23,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:08:23,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:08:23,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:08:23,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:08:23,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:08:23,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:08:23,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:08:23,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:08:23,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:08:23,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:08:23,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:08:23,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:08:23,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:08:23,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:08:23,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:08:23,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:08:23,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:08:23,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:08:23,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 05:08:24,007 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:08:24,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:08:24,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:08:24,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:08:24,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:08:24,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:08:24,009 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:08:24,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:08:24,010 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:08:24,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:08:24,010 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:08:24,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:08:24,010 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:08:24,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:08:24,011 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:08:24,011 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:08:24,011 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:08:24,011 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:08:24,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:08:24,012 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:08:24,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:08:24,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:08:24,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:08:24,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:08:24,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:08:24,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:08:24,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:08:24,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:08:24,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:08:24,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:08:24,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:08:24,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:08:24,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:08:24,283 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:08:24,284 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:08:24,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:25,581 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:08:26,014 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:08:26,015 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:26,055 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17680e4e2/d6b26afe39954550b99eddcb583b33fe/FLAG15e781ff6 [2023-04-03 05:08:26,072 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17680e4e2/d6b26afe39954550b99eddcb583b33fe [2023-04-03 05:08:26,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:08:26,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:08:26,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:08:26,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:08:26,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:08:26,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6329985c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:26, skipping insertion in model container [2023-04-03 05:08:26,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:08:26" (1/1) ... [2023-04-03 05:08:26,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:08:26,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:08:27,433 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2023-04-03 05:08:27,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:08:27,487 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:08:27,705 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2023-04-03 05:08:27,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:08:27,875 WARN L667 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:08:27,881 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:08:27,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27 WrapperNode [2023-04-03 05:08:27,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:08:27,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:08:27,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:08:27,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:08:27,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:27,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:27,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:27,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:08:28,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:08:28,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:08:28,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:08:28,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (1/1) ... [2023-04-03 05:08:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:08:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:08:28,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 05:08:28,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 05:08:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:08:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:08:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:08:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 05:08:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 05:08:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 05:08:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 05:08:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 05:08:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_driver [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_dev [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_handler [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerup [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerdown [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_checkrev [2023-04-03 05:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2023-04-03 05:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_freq [2023-04-03 05:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_power [2023-04-03 05:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_measure [2023-04-03 05:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2023-04-03 05:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2023-04-03 05:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_ps [2023-04-03 05:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2023-04-03 05:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2023-04-03 05:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2023-04-03 05:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_string [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_setup [2023-04-03 05:08:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_initialize [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_string [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_tune [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_integers [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ext_ctrls [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ext_ctrls [2023-04-03 05:08:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ctrl [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ctrl [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_ioctl [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_modulator [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_frequency [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_probe [2023-04-03 05:08:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_remove [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_init [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_exit [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_2 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-03 05:08:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2023-04-03 05:08:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:08:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-04-03 05:08:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_9 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_10 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_11 [2023-04-03 05:08:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 05:08:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2023-04-03 05:08:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:08:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-04-03 05:08:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2023-04-03 05:08:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2023-04-03 05:08:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_get [2023-04-03 05:08:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 05:08:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 05:08:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_subdev_init [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 05:08:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:08:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:08:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:08:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 05:08:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:08:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:08:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:08:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:08:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-04-03 05:08:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:08:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_2 [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2023-04-03 05:08:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2023-04-03 05:08:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2023-04-03 05:08:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_9 [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_10 [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_11 [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_driver [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2023-04-03 05:08:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_get [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_subdev_init [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_dev [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2023-04-03 05:08:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_handler [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerup [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerdown [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_checkrev [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_freq [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_power [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_measure [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_ps [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2023-04-03 05:08:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2023-04-03 05:08:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2023-04-03 05:08:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2023-04-03 05:08:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_string [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_setup [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_initialize [2023-04-03 05:08:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_string [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_tune [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_integers [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ext_ctrls [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ext_ctrls [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ctrl [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ctrl [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_ioctl [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_modulator [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_frequency [2023-04-03 05:08:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_probe [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_remove [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_init [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_exit [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 05:08:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 05:08:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 05:08:28,918 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:08:28,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:08:29,349 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:08:32,895 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:08:34,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:08:34,321 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 05:08:34,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:08:34 BoogieIcfgContainer [2023-04-03 05:08:34,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:08:34,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:08:34,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:08:34,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:08:34,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:08:26" (1/3) ... [2023-04-03 05:08:34,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbd7682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:08:34, skipping insertion in model container [2023-04-03 05:08:34,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:08:27" (2/3) ... [2023-04-03 05:08:34,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbd7682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:08:34, skipping insertion in model container [2023-04-03 05:08:34,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:08:34" (3/3) ... [2023-04-03 05:08:34,333 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:08:34,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:08:34,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:08:34,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:08:34,415 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=FINITE_AUTOMATA, 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;@6815f9ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:08:34,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:08:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 1202 states, 748 states have (on average 1.3328877005347595) internal successors, (997), 769 states have internal predecessors, (997), 324 states have call successors, (324), 125 states have call predecessors, (324), 124 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) [2023-04-03 05:08:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 05:08:34,446 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:08:34,447 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:08:34,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:08:34,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:08:34,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1623815698, now seen corresponding path program 1 times [2023-04-03 05:08:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:08:34,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591777368] [2023-04-03 05:08:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:08:34,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:08:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:08:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-03 05:08:35,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:08:35,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591777368] [2023-04-03 05:08:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591777368] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:08:35,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:08:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:08:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728159557] [2023-04-03 05:08:35,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:08:35,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:08:35,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:08:35,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:08:35,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:08:35,187 INFO L87 Difference]: Start difference. First operand has 1202 states, 748 states have (on average 1.3328877005347595) internal successors, (997), 769 states have internal predecessors, (997), 324 states have call successors, (324), 125 states have call predecessors, (324), 124 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 05:08:37,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:39,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:08:40,780 INFO L93 Difference]: Finished difference Result 2953 states and 4021 transitions. [2023-04-03 05:08:40,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:08:40,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-04-03 05:08:40,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:08:40,808 INFO L225 Difference]: With dead ends: 2953 [2023-04-03 05:08:40,808 INFO L226 Difference]: Without dead ends: 1744 [2023-04-03 05:08:40,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:08:40,826 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 806 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:08:40,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 2891 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 321 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2023-04-03 05:08:40,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2023-04-03 05:08:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1743. [2023-04-03 05:08:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1095 states have (on average 1.3132420091324202) internal successors, (1438), 1113 states have internal predecessors, (1438), 455 states have call successors, (455), 194 states have call predecessors, (455), 192 states have return successors, (453), 452 states have call predecessors, (453), 453 states have call successors, (453) [2023-04-03 05:08:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2346 transitions. [2023-04-03 05:08:40,974 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2346 transitions. Word has length 89 [2023-04-03 05:08:40,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:08:40,975 INFO L495 AbstractCegarLoop]: Abstraction has 1743 states and 2346 transitions. [2023-04-03 05:08:40,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 05:08:40,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2346 transitions. [2023-04-03 05:08:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-03 05:08:40,985 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:08:40,985 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-04-03 05:08:40,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:08:40,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:08:40,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:08:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1017446191, now seen corresponding path program 1 times [2023-04-03 05:08:40,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:08:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678605295] [2023-04-03 05:08:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:08:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:08:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:08:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2023-04-03 05:08:42,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:08:42,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678605295] [2023-04-03 05:08:42,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678605295] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:08:42,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:08:42,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 05:08:42,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653817611] [2023-04-03 05:08:42,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:08:42,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 05:08:42,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:08:42,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 05:08:42,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 05:08:42,694 INFO L87 Difference]: Start difference. First operand 1743 states and 2346 transitions. Second operand has 10 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 05:08:49,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:52,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:54,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:56,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:08:58,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:03,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:05,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:07,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:09,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:11,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:13,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:15,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:17,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:19,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:30,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:09:30,954 INFO L93 Difference]: Finished difference Result 4289 states and 5771 transitions. [2023-04-03 05:09:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 05:09:30,954 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) Word has length 206 [2023-04-03 05:09:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:09:30,973 INFO L225 Difference]: With dead ends: 4289 [2023-04-03 05:09:30,973 INFO L226 Difference]: Without dead ends: 2569 [2023-04-03 05:09:30,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-04-03 05:09:30,983 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 664 mSDsluCounter, 11350 mSDsCounter, 0 mSdLazyCounter, 4508 mSolverCounterSat, 16 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 13104 SdHoareTripleChecker+Invalid, 4535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 4508 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:09:30,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 13104 Invalid, 4535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 4508 Invalid, 11 Unknown, 0 Unchecked, 47.4s Time] [2023-04-03 05:09:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2023-04-03 05:09:31,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2520. [2023-04-03 05:09:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1597 states have (on average 1.3174702567313714) internal successors, (2104), 1626 states have internal predecessors, (2104), 627 states have call successors, (627), 299 states have call predecessors, (627), 295 states have return successors, (651), 613 states have call predecessors, (651), 625 states have call successors, (651) [2023-04-03 05:09:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3382 transitions. [2023-04-03 05:09:31,090 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3382 transitions. Word has length 206 [2023-04-03 05:09:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:09:31,091 INFO L495 AbstractCegarLoop]: Abstraction has 2520 states and 3382 transitions. [2023-04-03 05:09:31,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-03 05:09:31,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3382 transitions. [2023-04-03 05:09:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-03 05:09:31,101 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:09:31,102 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:09:31,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:09:31,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:09:31,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:09:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash -49591345, now seen corresponding path program 1 times [2023-04-03 05:09:31,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:09:31,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739246852] [2023-04-03 05:09:31,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:09:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:09:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:09:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2023-04-03 05:09:32,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:09:32,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739246852] [2023-04-03 05:09:32,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739246852] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:09:32,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:09:32,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 05:09:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380535537] [2023-04-03 05:09:32,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:09:32,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 05:09:32,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:09:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 05:09:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 05:09:32,693 INFO L87 Difference]: Start difference. First operand 2520 states and 3382 transitions. Second operand has 10 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:09:39,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:42,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:44,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:46,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:48,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:50,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:52,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:09:59,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:02,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:04,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:06,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:08,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:10,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:12,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:14,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:16,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:10:23,717 INFO L93 Difference]: Finished difference Result 4989 states and 6708 transitions. [2023-04-03 05:10:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 05:10:23,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) Word has length 226 [2023-04-03 05:10:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:10:23,732 INFO L225 Difference]: With dead ends: 4989 [2023-04-03 05:10:23,732 INFO L226 Difference]: Without dead ends: 2492 [2023-04-03 05:10:23,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-04-03 05:10:23,742 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 579 mSDsluCounter, 11560 mSDsCounter, 0 mSdLazyCounter, 4239 mSolverCounterSat, 14 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 13320 SdHoareTripleChecker+Invalid, 4268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 4239 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:10:23,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 13320 Invalid, 4268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 4239 Invalid, 15 Unknown, 0 Unchecked, 50.2s Time] [2023-04-03 05:10:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2023-04-03 05:10:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2452. [2023-04-03 05:10:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2452 states, 1555 states have (on average 1.3183279742765273) internal successors, (2050), 1584 states have internal predecessors, (2050), 611 states have call successors, (611), 289 states have call predecessors, (611), 285 states have return successors, (632), 597 states have call predecessors, (632), 609 states have call successors, (632) [2023-04-03 05:10:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2452 states and 3293 transitions. [2023-04-03 05:10:23,829 INFO L78 Accepts]: Start accepts. Automaton has 2452 states and 3293 transitions. Word has length 226 [2023-04-03 05:10:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:10:23,829 INFO L495 AbstractCegarLoop]: Abstraction has 2452 states and 3293 transitions. [2023-04-03 05:10:23,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 05:10:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 3293 transitions. [2023-04-03 05:10:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-03 05:10:23,840 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:10:23,841 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:10:23,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:10:23,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:10:23,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:10:23,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1707825045, now seen corresponding path program 1 times [2023-04-03 05:10:23,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:10:23,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21412231] [2023-04-03 05:10:23,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:10:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:10:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:10:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:10:25,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:10:25,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21412231] [2023-04-03 05:10:25,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21412231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:10:25,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:10:25,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 05:10:25,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89902461] [2023-04-03 05:10:25,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:10:25,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 05:10:25,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:10:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 05:10:25,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-04-03 05:10:25,686 INFO L87 Difference]: Start difference. First operand 2452 states and 3293 transitions. Second operand has 8 states, 6 states have (on average 13.833333333333334) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 05:10:30,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:32,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:33,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:36,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:39,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:41,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:43,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:45,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:47,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:49,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:51,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:10:54,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:10:54,459 INFO L93 Difference]: Finished difference Result 4896 states and 6584 transitions. [2023-04-03 05:10:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:10:54,460 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.833333333333334) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 228 [2023-04-03 05:10:54,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:10:54,474 INFO L225 Difference]: With dead ends: 4896 [2023-04-03 05:10:54,474 INFO L226 Difference]: Without dead ends: 2467 [2023-04-03 05:10:54,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-04-03 05:10:54,485 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 39 mSDsluCounter, 6489 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 7913 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:10:54,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 7913 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1575 Invalid, 9 Unknown, 0 Unchecked, 28.5s Time] [2023-04-03 05:10:54,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2023-04-03 05:10:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2457. [2023-04-03 05:10:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 1559 states have (on average 1.3181526619627966) internal successors, (2055), 1588 states have internal predecessors, (2055), 611 states have call successors, (611), 289 states have call predecessors, (611), 286 states have return successors, (635), 598 states have call predecessors, (635), 609 states have call successors, (635) [2023-04-03 05:10:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 3301 transitions. [2023-04-03 05:10:54,565 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 3301 transitions. Word has length 228 [2023-04-03 05:10:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:10:54,566 INFO L495 AbstractCegarLoop]: Abstraction has 2457 states and 3301 transitions. [2023-04-03 05:10:54,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.833333333333334) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 05:10:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 3301 transitions. [2023-04-03 05:10:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 05:10:54,577 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:10:54,577 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:10:54,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:10:54,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:10:54,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:10:54,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1444585966, now seen corresponding path program 1 times [2023-04-03 05:10:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:10:54,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368258205] [2023-04-03 05:10:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:10:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:10:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:11:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 84 proven. 17 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-04-03 05:11:00,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:11:00,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368258205] [2023-04-03 05:11:00,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368258205] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:11:00,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667726744] [2023-04-03 05:11:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:11:00,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:11:00,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:11:00,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:11:00,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 05:11:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:11:00,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 38 conjunts are in the unsatisfiable core [2023-04-03 05:11:00,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:11:01,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2023-04-03 05:11:01,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2023-04-03 05:11:02,194 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-04-03 05:11:02,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2023-04-03 05:11:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:11:03,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:11:03,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667726744] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:11:03,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:11:03,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 28 [2023-04-03 05:11:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677610070] [2023-04-03 05:11:03,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:11:03,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 05:11:03,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:11:03,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 05:11:03,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2023-04-03 05:11:03,690 INFO L87 Difference]: Start difference. First operand 2457 states and 3301 transitions. Second operand has 10 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 05:11:11,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:13,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:15,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:17,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:19,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:20,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:22,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:26,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:30,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:32,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:34,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:36,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:38,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:40,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:11:42,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:44,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:46,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:49,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:53,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:11:57,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:12:03,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:12:07,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:12:15,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:12:29,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-03 05:12:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:12:31,430 INFO L93 Difference]: Finished difference Result 6472 states and 8725 transitions. [2023-04-03 05:12:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-03 05:12:31,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 229 [2023-04-03 05:12:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:12:31,450 INFO L225 Difference]: With dead ends: 6472 [2023-04-03 05:12:31,450 INFO L226 Difference]: Without dead ends: 4038 [2023-04-03 05:12:31,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2023-04-03 05:12:31,461 INFO L413 NwaCegarLoop]: 2573 mSDtfsCounter, 1365 mSDsluCounter, 12731 mSDsCounter, 0 mSdLazyCounter, 6402 mSolverCounterSat, 15 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 15304 SdHoareTripleChecker+Invalid, 6438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 6402 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:12:31,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 15304 Invalid, 6438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 6402 Invalid, 21 Unknown, 0 Unchecked, 85.6s Time] [2023-04-03 05:12:31,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4038 states. [2023-04-03 05:12:31,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4038 to 3634. [2023-04-03 05:12:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3634 states, 2334 states have (on average 1.3333333333333333) internal successors, (3112), 2386 states have internal predecessors, (3112), 862 states have call successors, (862), 443 states have call predecessors, (862), 437 states have return successors, (932), 826 states have call predecessors, (932), 860 states have call successors, (932) [2023-04-03 05:12:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3634 states and 4906 transitions. [2023-04-03 05:12:31,617 INFO L78 Accepts]: Start accepts. Automaton has 3634 states and 4906 transitions. Word has length 229 [2023-04-03 05:12:31,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:12:31,619 INFO L495 AbstractCegarLoop]: Abstraction has 3634 states and 4906 transitions. [2023-04-03 05:12:31,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 05:12:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3634 states and 4906 transitions. [2023-04-03 05:12:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-04-03 05:12:31,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:12:31,631 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:12:31,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 05:12:31,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:12:31,845 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:12:31,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:12:31,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1686342213, now seen corresponding path program 1 times [2023-04-03 05:12:31,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:12:31,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713065646] [2023-04-03 05:12:31,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:12:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:12:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:12:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-04-03 05:12:33,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:12:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713065646] [2023-04-03 05:12:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713065646] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:12:33,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:12:33,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 05:12:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828630006] [2023-04-03 05:12:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:12:33,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 05:12:33,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:12:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 05:12:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-03 05:12:33,723 INFO L87 Difference]: Start difference. First operand 3634 states and 4906 transitions. Second operand has 9 states, 7 states have (on average 12.0) internal successors, (84), 9 states have internal predecessors, (84), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)