/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:39:10,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:39:10,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:39:10,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:39:10,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:39:10,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:39:10,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:39:10,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:39:10,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:39:10,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:39:10,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:39:10,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:39:10,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:39:10,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:39:10,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:39:10,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:39:10,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:39:10,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:39:10,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:39:10,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:39:10,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:39:10,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:39:10,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:39:10,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:39:10,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:39:10,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:39:10,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:39:10,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:39:10,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:39:10,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:39:10,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:39:10,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:39:10,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:39:10,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:39:10,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:39:10,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:39:10,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:39:10,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:39:10,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:39:10,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:39:10,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:39:10,277 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 05:39:10,292 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:39:10,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:39:10,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:39:10,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:39:10,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:39:10,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:39:10,293 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:39:10,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:39:10,294 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:39:10,294 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:39:10,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:39:10,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:39:10,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:39:10,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:39:10,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:39:10,296 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:39:10,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:39:10,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:39:10,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:39:10,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:39:10,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:39:10,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:39:10,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:39:10,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:39:10,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:39:10,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:39:10,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:39:10,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:39:10,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:39:10,506 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:39:10,506 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:39:10,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-03 05:39:11,481 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:39:11,864 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:39:11,865 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-03 05:39:11,891 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899240480/60db00311b6249dfa685c61cd0f2f3f3/FLAG4e0296962 [2023-04-03 05:39:11,909 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899240480/60db00311b6249dfa685c61cd0f2f3f3 [2023-04-03 05:39:11,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:39:11,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:39:11,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:39:11,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:39:11,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:39:11,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:39:11" (1/1) ... [2023-04-03 05:39:11,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f27ad83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:11, skipping insertion in model container [2023-04-03 05:39:11,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:39:11" (1/1) ... [2023-04-03 05:39:11,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:39:11,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:39:13,005 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2023-04-03 05:39:13,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:39:13,206 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:39:13,409 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2023-04-03 05:39:13,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:39:13,538 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:39:13,543 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:39:13,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13 WrapperNode [2023-04-03 05:39:13,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:39:13,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:39:13,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:39:13,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:39:13,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:39:13,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:39:13,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:39:13,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:39:13,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (1/1) ... [2023-04-03 05:39:13,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:39:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:39:13,819 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 05:39:13,827 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 05:39:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:39:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:39:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR_OR_ZERO [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:39:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-03 05:39:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_over [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_over [2023-04-03 05:39:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_hyst [2023-04-03 05:39:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_hyst [2023-04-03 05:39:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2023-04-03 05:39:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2023-04-03 05:39:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2023-04-03 05:39:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure show_vid [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarms [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_alias_detect [2023-04-03 05:39:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_data_if_isa [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_probe [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_init_device [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_register [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2023-04-03 05:39:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_init [2023-04-03 05:39:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_exit [2023-04-03 05:39:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_1 [2023-04-03 05:39:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_40 [2023-04-03 05:39:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_46 [2023-04-03 05:39:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_36 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_39 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_27 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_34 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_31 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_18 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_30 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_28 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_25 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_42 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_24 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_45 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_20 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_43 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_22 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_37 [2023-04-03 05:39:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_17 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_33 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_16 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2023-04-03 05:39:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-03 05:39:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:39:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 05:39:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 05:39:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-03 05:39:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-03 05:39:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:39:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-03 05:39:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:39:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:39:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:39:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:39:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2023-04-03 05:39:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 05:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_hwmon_device_register_with_groups [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_from_reg [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:39:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:39:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:39:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-04-03 05:39:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR_OR_ZERO [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 05:39:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-03 05:39:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:39:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_1 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_40 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_46 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_36 [2023-04-03 05:39:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_39 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_27 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_34 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_31 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_18 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_30 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_28 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_25 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_42 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_24 [2023-04-03 05:39:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_45 [2023-04-03 05:39:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_20 [2023-04-03 05:39:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_43 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_22 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_37 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_17 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_33 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_16 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure devm_hwmon_device_register_with_groups [2023-04-03 05:39:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure vid_from_reg [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_init_device [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_over [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_over [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_hyst [2023-04-03 05:39:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_hyst [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_vid [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarms [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_alias_detect [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_data_if_isa [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_probe [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_register [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_init [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_exit [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 05:39:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:39:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:39:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:39:14,446 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:39:14,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:39:14,643 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:39:25,606 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:39:26,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:39:26,051 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 05:39:26,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:39:26 BoogieIcfgContainer [2023-04-03 05:39:26,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:39:26,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:39:26,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:39:26,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:39:26,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:39:11" (1/3) ... [2023-04-03 05:39:26,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e9dc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:39:26, skipping insertion in model container [2023-04-03 05:39:26,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:39:13" (2/3) ... [2023-04-03 05:39:26,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e9dc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:39:26, skipping insertion in model container [2023-04-03 05:39:26,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:39:26" (3/3) ... [2023-04-03 05:39:26,063 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-03 05:39:26,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:39:26,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:39:26,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:39:26,154 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;@217b9f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:39:26,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:39:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 1671 states, 990 states have (on average 1.3424242424242425) internal successors, (1329), 1055 states have internal predecessors, (1329), 522 states have call successors, (522), 122 states have call predecessors, (522), 121 states have return successors, (472), 472 states have call predecessors, (472), 472 states have call successors, (472) [2023-04-03 05:39:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1649 [2023-04-03 05:39:26,221 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:26,222 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:26,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:26,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash 287002455, now seen corresponding path program 1 times [2023-04-03 05:39:26,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:26,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794904670] [2023-04-03 05:39:26,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:26,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:29,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794904670] [2023-04-03 05:39:29,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794904670] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:29,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:29,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:29,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581778651] [2023-04-03 05:39:29,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:29,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:29,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:29,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:29,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:29,139 INFO L87 Difference]: Start difference. First operand has 1671 states, 990 states have (on average 1.3424242424242425) internal successors, (1329), 1055 states have internal predecessors, (1329), 522 states have call successors, (522), 122 states have call predecessors, (522), 121 states have return successors, (472), 472 states have call predecessors, (472), 472 states have call successors, (472) Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:29,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:29,995 INFO L93 Difference]: Finished difference Result 4005 states and 5930 transitions. [2023-04-03 05:39:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:29,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1648 [2023-04-03 05:39:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:30,020 INFO L225 Difference]: With dead ends: 4005 [2023-04-03 05:39:30,021 INFO L226 Difference]: Without dead ends: 2652 [2023-04-03 05:39:30,031 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 05:39:30,033 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 2159 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2159 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:30,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2159 Valid, 3742 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 05:39:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2023-04-03 05:39:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2639. [2023-04-03 05:39:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 1681 states have (on average 1.331945270672219) internal successors, (2239), 1700 states have internal predecessors, (2239), 734 states have call successors, (734), 226 states have call predecessors, (734), 223 states have return successors, (727), 725 states have call predecessors, (727), 727 states have call successors, (727) [2023-04-03 05:39:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 3700 transitions. [2023-04-03 05:39:30,353 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 3700 transitions. Word has length 1648 [2023-04-03 05:39:30,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:30,355 INFO L495 AbstractCegarLoop]: Abstraction has 2639 states and 3700 transitions. [2023-04-03 05:39:30,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3700 transitions. [2023-04-03 05:39:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2023-04-03 05:39:30,399 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:30,400 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:30,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:39:30,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:30,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2112056152, now seen corresponding path program 1 times [2023-04-03 05:39:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636907447] [2023-04-03 05:39:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:32,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636907447] [2023-04-03 05:39:32,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636907447] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:32,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:32,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:32,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984922656] [2023-04-03 05:39:32,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:32,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:32,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:32,190 INFO L87 Difference]: Start difference. First operand 2639 states and 3700 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:32,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:32,842 INFO L93 Difference]: Finished difference Result 7308 states and 10203 transitions. [2023-04-03 05:39:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:32,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1646 [2023-04-03 05:39:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:32,868 INFO L225 Difference]: With dead ends: 7308 [2023-04-03 05:39:32,869 INFO L226 Difference]: Without dead ends: 4964 [2023-04-03 05:39:32,879 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 05:39:32,880 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 2058 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:32,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 3544 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 05:39:32,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2023-04-03 05:39:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4951. [2023-04-03 05:39:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4951 states, 3196 states have (on average 1.3463704630788487) internal successors, (4303), 3231 states have internal predecessors, (4303), 1313 states have call successors, (1313), 444 states have call predecessors, (1313), 441 states have return successors, (1306), 1300 states have call predecessors, (1306), 1306 states have call successors, (1306) [2023-04-03 05:39:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4951 states to 4951 states and 6922 transitions. [2023-04-03 05:39:33,169 INFO L78 Accepts]: Start accepts. Automaton has 4951 states and 6922 transitions. Word has length 1646 [2023-04-03 05:39:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:33,171 INFO L495 AbstractCegarLoop]: Abstraction has 4951 states and 6922 transitions. [2023-04-03 05:39:33,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4951 states and 6922 transitions. [2023-04-03 05:39:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2023-04-03 05:39:33,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:33,190 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:33,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:39:33,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:33,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:33,191 INFO L85 PathProgramCache]: Analyzing trace with hash -171332314, now seen corresponding path program 1 times [2023-04-03 05:39:33,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:33,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935515286] [2023-04-03 05:39:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:34,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:34,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935515286] [2023-04-03 05:39:34,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935515286] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:34,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:34,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480627132] [2023-04-03 05:39:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:34,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:34,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:34,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:34,601 INFO L87 Difference]: Start difference. First operand 4951 states and 6922 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:35,390 INFO L93 Difference]: Finished difference Result 14216 states and 19823 transitions. [2023-04-03 05:39:35,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1646 [2023-04-03 05:39:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:35,434 INFO L225 Difference]: With dead ends: 14216 [2023-04-03 05:39:35,434 INFO L226 Difference]: Without dead ends: 9560 [2023-04-03 05:39:35,449 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 05:39:35,450 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 2052 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 3547 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:35,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 3547 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 05:39:35,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9560 states. [2023-04-03 05:39:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9560 to 9547. [2023-04-03 05:39:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9547 states, 6204 states have (on average 1.3531592520954223) internal successors, (8395), 6271 states have internal predecessors, (8395), 2465 states have call successors, (2465), 880 states have call predecessors, (2465), 877 states have return successors, (2458), 2444 states have call predecessors, (2458), 2458 states have call successors, (2458) [2023-04-03 05:39:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9547 states to 9547 states and 13318 transitions. [2023-04-03 05:39:35,829 INFO L78 Accepts]: Start accepts. Automaton has 9547 states and 13318 transitions. Word has length 1646 [2023-04-03 05:39:35,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:35,830 INFO L495 AbstractCegarLoop]: Abstraction has 9547 states and 13318 transitions. [2023-04-03 05:39:35,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 9547 states and 13318 transitions. [2023-04-03 05:39:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2023-04-03 05:39:35,849 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:35,850 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:35,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:39:35,851 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:35,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1532442436, now seen corresponding path program 1 times [2023-04-03 05:39:35,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:35,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305482654] [2023-04-03 05:39:35,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:37,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:37,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305482654] [2023-04-03 05:39:37,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305482654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:37,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:37,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:37,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549689243] [2023-04-03 05:39:37,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:37,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:37,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:37,229 INFO L87 Difference]: Start difference. First operand 9547 states and 13318 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:38,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:38,121 INFO L93 Difference]: Finished difference Result 27996 states and 39003 transitions. [2023-04-03 05:39:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:38,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1647 [2023-04-03 05:39:38,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:38,218 INFO L225 Difference]: With dead ends: 27996 [2023-04-03 05:39:38,219 INFO L226 Difference]: Without dead ends: 18744 [2023-04-03 05:39:38,257 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 05:39:38,258 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 2057 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 3571 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:38,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 3571 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 05:39:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18744 states. [2023-04-03 05:39:38,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18744 to 18731. [2023-04-03 05:39:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18731 states, 12212 states have (on average 1.3566164428431051) internal successors, (16567), 12343 states have internal predecessors, (16567), 4769 states have call successors, (4769), 1752 states have call predecessors, (4769), 1749 states have return successors, (4762), 4732 states have call predecessors, (4762), 4762 states have call successors, (4762) [2023-04-03 05:39:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18731 states to 18731 states and 26098 transitions. [2023-04-03 05:39:39,029 INFO L78 Accepts]: Start accepts. Automaton has 18731 states and 26098 transitions. Word has length 1647 [2023-04-03 05:39:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:39,031 INFO L495 AbstractCegarLoop]: Abstraction has 18731 states and 26098 transitions. [2023-04-03 05:39:39,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 18731 states and 26098 transitions. [2023-04-03 05:39:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2023-04-03 05:39:39,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:39,056 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:39,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:39:39,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:39,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:39,058 INFO L85 PathProgramCache]: Analyzing trace with hash 112259446, now seen corresponding path program 1 times [2023-04-03 05:39:39,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:39,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553999483] [2023-04-03 05:39:39,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:39,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:40,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:40,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553999483] [2023-04-03 05:39:40,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553999483] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:40,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:40,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:40,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299246403] [2023-04-03 05:39:40,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:40,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:40,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:40,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:40,373 INFO L87 Difference]: Start difference. First operand 18731 states and 26098 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:41,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:41,860 INFO L93 Difference]: Finished difference Result 55404 states and 77159 transitions. [2023-04-03 05:39:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:41,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1649 [2023-04-03 05:39:41,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:42,031 INFO L225 Difference]: With dead ends: 55404 [2023-04-03 05:39:42,031 INFO L226 Difference]: Without dead ends: 36968 [2023-04-03 05:39:42,104 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 05:39:42,106 INFO L413 NwaCegarLoop]: 2032 mSDtfsCounter, 2048 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 3581 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:42,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 3581 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 05:39:42,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36968 states. [2023-04-03 05:39:43,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36968 to 36955. [2023-04-03 05:39:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36955 states, 24140 states have (on average 1.3586992543496272) internal successors, (32799), 24399 states have internal predecessors, (32799), 9337 states have call successors, (9337), 3480 states have call predecessors, (9337), 3477 states have return successors, (9330), 9268 states have call predecessors, (9330), 9330 states have call successors, (9330) [2023-04-03 05:39:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36955 states to 36955 states and 51466 transitions. [2023-04-03 05:39:43,457 INFO L78 Accepts]: Start accepts. Automaton has 36955 states and 51466 transitions. Word has length 1649 [2023-04-03 05:39:43,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:43,459 INFO L495 AbstractCegarLoop]: Abstraction has 36955 states and 51466 transitions. [2023-04-03 05:39:43,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36955 states and 51466 transitions. [2023-04-03 05:39:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2023-04-03 05:39:43,477 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:43,478 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:43,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:39:43,478 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:43,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash -572230926, now seen corresponding path program 1 times [2023-04-03 05:39:43,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:43,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299430261] [2023-04-03 05:39:43,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:44,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299430261] [2023-04-03 05:39:44,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299430261] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:44,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:44,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:44,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089733945] [2023-04-03 05:39:44,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:44,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:44,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:44,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:44,951 INFO L87 Difference]: Start difference. First operand 36955 states and 51466 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:47,215 INFO L93 Difference]: Finished difference Result 109723 states and 152718 transitions. [2023-04-03 05:39:47,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:47,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1651 [2023-04-03 05:39:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:47,632 INFO L225 Difference]: With dead ends: 109723 [2023-04-03 05:39:47,633 INFO L226 Difference]: Without dead ends: 73063 [2023-04-03 05:39:47,940 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 05:39:47,941 INFO L413 NwaCegarLoop]: 2048 mSDtfsCounter, 2037 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:47,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 3594 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:39:47,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73063 states. [2023-04-03 05:39:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73063 to 73019. [2023-04-03 05:39:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73019 states, 47740 states have (on average 1.3593422706325933) internal successors, (64895), 48255 states have internal predecessors, (64895), 18361 states have call successors, (18361), 6920 states have call predecessors, (18361), 6917 states have return successors, (18354), 18228 states have call predecessors, (18354), 18354 states have call successors, (18354) [2023-04-03 05:39:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73019 states to 73019 states and 101610 transitions. [2023-04-03 05:39:50,781 INFO L78 Accepts]: Start accepts. Automaton has 73019 states and 101610 transitions. Word has length 1651 [2023-04-03 05:39:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:39:50,783 INFO L495 AbstractCegarLoop]: Abstraction has 73019 states and 101610 transitions. [2023-04-03 05:39:50,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 73019 states and 101610 transitions. [2023-04-03 05:39:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2023-04-03 05:39:50,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:39:50,807 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:50,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:39:50,807 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:39:50,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:39:50,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1953574816, now seen corresponding path program 1 times [2023-04-03 05:39:50,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:39:50,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676181211] [2023-04-03 05:39:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:39:50,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:39:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:39:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:39:52,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:39:52,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676181211] [2023-04-03 05:39:52,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676181211] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:39:52,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:39:52,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:39:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128974639] [2023-04-03 05:39:52,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:39:52,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:39:52,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:39:52,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:39:52,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:39:52,274 INFO L87 Difference]: Start difference. First operand 73019 states and 101610 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:39:56,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:39:56,269 INFO L93 Difference]: Finished difference Result 217851 states and 303086 transitions. [2023-04-03 05:39:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:39:56,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1651 [2023-04-03 05:39:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:39:57,026 INFO L225 Difference]: With dead ends: 217851 [2023-04-03 05:39:57,027 INFO L226 Difference]: Without dead ends: 145127 [2023-04-03 05:39:57,248 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 05:39:57,250 INFO L413 NwaCegarLoop]: 2065 mSDtfsCounter, 2043 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 3614 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:39:57,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 3614 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:39:57,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145127 states. [2023-04-03 05:40:01,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145127 to 145083. [2023-04-03 05:40:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145083 states, 94876 states have (on average 1.3595746026392344) internal successors, (128991), 95903 states have internal predecessors, (128991), 36409 states have call successors, (36409), 13800 states have call predecessors, (36409), 13797 states have return successors, (36402), 36148 states have call predecessors, (36402), 36402 states have call successors, (36402) [2023-04-03 05:40:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145083 states to 145083 states and 201802 transitions. [2023-04-03 05:40:02,760 INFO L78 Accepts]: Start accepts. Automaton has 145083 states and 201802 transitions. Word has length 1651 [2023-04-03 05:40:02,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:40:02,761 INFO L495 AbstractCegarLoop]: Abstraction has 145083 states and 201802 transitions. [2023-04-03 05:40:02,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:40:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 145083 states and 201802 transitions. [2023-04-03 05:40:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1655 [2023-04-03 05:40:02,780 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:40:02,780 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:40:02,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:40:02,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:40:02,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:40:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1746247013, now seen corresponding path program 1 times [2023-04-03 05:40:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:40:02,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244003931] [2023-04-03 05:40:02,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:40:02,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:40:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:40:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:40:03,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:40:03,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244003931] [2023-04-03 05:40:03,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244003931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:40:03,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:40:03,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:40:03,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262877796] [2023-04-03 05:40:03,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:40:03,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:40:03,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:40:03,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:40:03,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:40:03,979 INFO L87 Difference]: Start difference. First operand 145083 states and 201802 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:40:11,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:40:11,994 INFO L93 Difference]: Finished difference Result 431451 states and 600110 transitions. [2023-04-03 05:40:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:40:11,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1654 [2023-04-03 05:40:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:40:13,458 INFO L225 Difference]: With dead ends: 431451 [2023-04-03 05:40:13,458 INFO L226 Difference]: Without dead ends: 286663 [2023-04-03 05:40:14,224 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 05:40:14,224 INFO L413 NwaCegarLoop]: 2075 mSDtfsCounter, 2017 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:40:14,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 3621 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:40:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286663 states. [2023-04-03 05:40:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286663 to 286523. [2023-04-03 05:40:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286523 states, 187548 states have (on average 1.3603717448333226) internal successors, (255135), 189599 states have internal predecessors, (255135), 71673 states have call successors, (71673), 27304 states have call predecessors, (71673), 27301 states have return successors, (71666), 71156 states have call predecessors, (71666), 71666 states have call successors, (71666) [2023-04-03 05:40:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286523 states to 286523 states and 398474 transitions. [2023-04-03 05:40:25,512 INFO L78 Accepts]: Start accepts. Automaton has 286523 states and 398474 transitions. Word has length 1654 [2023-04-03 05:40:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:40:25,513 INFO L495 AbstractCegarLoop]: Abstraction has 286523 states and 398474 transitions. [2023-04-03 05:40:25,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:40:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 286523 states and 398474 transitions. [2023-04-03 05:40:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1657 [2023-04-03 05:40:25,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:40:25,533 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:40:25,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:40:25,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:40:25,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:40:25,534 INFO L85 PathProgramCache]: Analyzing trace with hash 710146863, now seen corresponding path program 1 times [2023-04-03 05:40:25,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:40:25,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153846235] [2023-04-03 05:40:25,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:40:25,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:40:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:40:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:40:27,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:40:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153846235] [2023-04-03 05:40:27,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153846235] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:40:27,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:40:27,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:40:27,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452629088] [2023-04-03 05:40:27,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:40:27,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:40:27,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:40:27,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:40:27,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:40:27,095 INFO L87 Difference]: Start difference. First operand 286523 states and 398474 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:40:44,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:40:44,963 INFO L93 Difference]: Finished difference Result 851547 states and 1184878 transitions. [2023-04-03 05:40:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:40:44,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1656 [2023-04-03 05:40:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:40:49,351 INFO L225 Difference]: With dead ends: 851547 [2023-04-03 05:40:49,352 INFO L226 Difference]: Without dead ends: 565319 [2023-04-03 05:40:50,734 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 05:40:50,734 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 2001 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:40:50,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 3641 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 05:40:51,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565319 states. [2023-04-03 05:41:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565319 to 565051. [2023-04-03 05:41:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565051 states, 370588 states have (on average 1.3626749921745982) internal successors, (504991), 374687 states have internal predecessors, (504991), 140665 states have call successors, (140665), 53800 states have call predecessors, (140665), 53797 states have return successors, (140658), 139636 states have call predecessors, (140658), 140658 states have call successors, (140658) [2023-04-03 05:41:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565051 states to 565051 states and 786314 transitions. [2023-04-03 05:41:16,940 INFO L78 Accepts]: Start accepts. Automaton has 565051 states and 786314 transitions. Word has length 1656 [2023-04-03 05:41:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:41:16,941 INFO L495 AbstractCegarLoop]: Abstraction has 565051 states and 786314 transitions. [2023-04-03 05:41:16,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-03 05:41:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 565051 states and 786314 transitions. [2023-04-03 05:41:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1656 [2023-04-03 05:41:16,960 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:41:16,961 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:41:16,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 05:41:16,961 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:41:16,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:41:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash 452588985, now seen corresponding path program 1 times [2023-04-03 05:41:16,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:41:16,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593077106] [2023-04-03 05:41:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:41:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:41:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:41:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-03 05:41:18,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:41:18,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593077106] [2023-04-03 05:41:18,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593077106] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:41:18,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:41:18,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:41:18,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064373921] [2023-04-03 05:41:18,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:41:18,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:41:18,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:41:18,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:41:18,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:41:18,383 INFO L87 Difference]: Start difference. First operand 565051 states and 786314 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146)